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Vyhledávání Vyhledat Zavřít
prof. Ing.
Ph.D.
FSI – proděkan pro vnější vztahy, habilitační řízení a řízení ke jmenování profesorem
+420 54114 2723krupka@fme.vutbr.cz
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2026
OMASTA, M.; KNOTH, T.; ŠPERKA, P.; HAJZMAN, M.; KŘUPKA, I.; POLACH, P.; HARTL, M. Experimental Study of the Effect of Surface Texture in Sliding Contacts Using Infrared Thermography. Lubricants, 2026, vol. 14, iss. 2, p. 1-27.
Článek WoS
ŠPERKA, P.; KNOTEK, J.; OMASTA, M.; KŘUPKA, I.; POLACH, P.; HARTL, M. Film Thickness and Friction of Textured Surfaces in Hydrodynamic Inclined and Parallel Gaps-An Experimental Study. Lubricants, 2026, vol. 14, iss. 1, p. 1-21.
2025
JORDÁN, T.; GALAS, R.; OMASTA, M.; KŘUPKA, I.; HARTL, M. COMPREHENSIVE ASSESSMENT OF SOLID STICK FRICTION MODIFIERS IN WHEEL/RAIL CONTACT. Tokyo, Japan: Japanese Society of Contact Mechanics on Railway, 2025. 7 p.
Stať ve sborníku mimo WoS a Scopus
SKURKA, Š.; LI, M.; WANG, H.; GALAS, R.; OMASTA, M.; DING, H.; WANG, W.; KŘUPKA, I.; HARTL, M. INSIDE RCF CRACKS: OXIDATION AS A FACTOR IN RAIL DAMAGE. Tokyo, Japan: Japanese Society of Contact Mechanics on Railway, 2025. 10 p.
David Nečas, Daniel Němeček, Jan Gregora, David Rebenda, Zuzana Kadlecová, Ivana Chamradová, Monika Trudičová, Pavel Čípek, Petr Čípek, Ladislav Šnajdárek, Lucy Vojtová, Martin Vrbka, Ivan Křupka, Martin Hartl. Toward Cartilage-Mimicking Biomaterials: Biotribological, Biochemical and Structural Evaluation of pHEMA and PVA-Based Hydrogels. ACS Omega, 2025, vol. 10, iss. 51, p. 63441-63454.
GALAS, R.; OMASTA, M.; VALENA, M.; JORDÁN, T.; SKURKA, Š.; KVARDA, D.; DING, H.; WANG, W.; KŘUPKA, I.; HARTL, M. A LABORATORY METHODOLOGY FOR EVALUATING THE PERFORMANCE OF ADHESION RESTORATION MATERIALS UNDER LOW ADHESION CONDITIONS. Tokyo, Japan: Japanese Society of Contact Mechanics on Railway, 2025. 8 p.
KVARDA, D.; OMASTA, M.; GALAS, R.; KŘUPKA, I.; HARTL, M. MODELLING GREASE RETENTIVITY FOR INTELLIGENT LUBRICATION SYSTEM. Tokyo, Japan: Japanese Society of Contact Mechanics on Railway, 2025. 8 p.
MICHALEC, M.; FOLTÝN, J.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Performance and stability comparison of hydrostatic bearing pad geometry optimization approaches. Forschung im Ingenieurwesen, 2025, vol. 89, iss. 4, p. 1-10. ISSN: 1434-0860.
RANUŠA, M.; ODEHNAL, L.; KUČERA, O.; NEČAS, D.; HARTL, M.; KŘUPKA, I.; VRBKA, M. Effect of Surface Texturing on Friction and Lubrication of Ti6Al4V Biomaterials for Joint Implants. Tribology letter, 2025, vol. 73, iss. 1, p. 1-18. ISSN: 1023-8883.
STREĎANSKÁ, A.; ŠIMEK, M.; MATONOHOVÁ, J.; NEČAS, D.; VRBKA, M.; SUCHÁNEK, J.; PAVLIŇÁKOVÁ, V.; VOJTOVÁ, L.; HARTL, M.; KŘUPKA, I.; NEŠPOROVÁ, K. Optimizing Hyaluronan-Based Lubricants for Treating Thoracolumbar Fascia Pathologies: Insights from Tribological and Pharmacokinetic Studies. Lubricants, 2025, vol. 13, iss. 4, p. 1-17. ISSN: 2075-4442.
ODEHNAL, L.; RANUŠA, M.; MALÝ, M.; KŘUPKA, I.; KOUTNÝ, D.; HARTL, M.; VRBKA, M. Tribological behaviour of additively manufactured Ti6Al4V with controlled surface structure: An application in small joint implants. Tribology International, 2025, vol. 211, iss. November, p. 1-12. ISSN: 0301-679X.
OKÁL, M.; KOŠŤÁL, D.; OSARA, J.; LUGT, P.; KŘUPKA, I.; HARTL, M. Experimental Study of the Effect of Thickener on the Film Thickness in the Contacts of a Grease-Lubricated Ball Bearing at Low Speed. TRIBOLOGY TRANSACTIONS, 2025, vol. 68, iss. 1, p. 28-38. ISSN: 1040-2004.
POUZAR, J.; KOŠŤÁL, D.; WESTERBERG, L.; NYBERG, E.; KŘUPKA, I. Labyrinth seal design for space applications. Vacuum, 2025, vol. 232, iss. 2, p. 1-10. ISSN: 0042-207X.
MICHALEC, M.; DANĚK, L.; FOLTÝN, J.; SVOBODA, P.; GACHOT, C.; HARTL, M.; KŘUPKA, I. Comparative Wear and Friction Analysis of Sliding Surface Materials for Hydrostatic Bearing under Oil Supply Failure Conditions. Advanced engineering materials, 2025, vol. 27, iss. 23, p. 1-10.
POUZAR, J.; KOŠŤÁL, D.; WESTERBERG, L.G.; NYBERG, E.; POLÁČEK, T.; JUŘÍK, K.; KŘUPKA, I. Influence of surface roughness on molecular flow through labyrinth seals for space applications. Results in Engineering, 2025, vol. 28, iss. December, p. 1-14.
NĚMEČEK, D.; NEČAS, D.; SHINMORI, H.; YARIMITSU, S.; MARIAN, M.; VRBKA, M.; SAWAE, Y.; KŘUPKA, I.; HARTL, M. A glance into the boundary lubrication mechanism of PVA hydrogel after the reduction of interstitial fluid pressurization. Friction, 2025, vol. 13, iss. 12, p. 01-16.
NAVRÁTIL, V.; KVARDA, D.; KLAPKA, M.; GALAS, R.; OMASTA, M.; KŘUPKA, I.; HARTL, M. Investigation of squeal noise generation in wheel-rail contact under wet conditions using a twin-disc test rig. Proceedings of the Institution of Mechanical Engineers. Part F, Journal of Rail and Rapid Transit, 2025, vol. 8, iss. 239, p. 635-645.
David Nečas, Adam Gelnar, Benedict Rothammer, Max Marian, Matúš Ranuša, Sandro Wartzack, Martin Vrbka, Ivan Křupka, Martin Hartl. Frictional Behaviour and Surface Topography Evolution of DLC-Coated Biomedical Alloys. Biosurface and Biotribology, 2025, vol. 1, iss. 11, p. e70004-01 (e70004-014 p.)
OMASTA, M.; SIX, K.; KVARDA, D.; GALAS, R.; SUHR, B.; KŘUPKA, I.; TRUMMER, G.; HARTL, M. On the transient mechanism of water-particle induced low-adhesion phenomenon. Proceedings of the 13th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2025). Tokyo: Japanese Society of Contact Mechanics on Railway (JSCMR), 2025. 6 p.
OKÁL, M.; PROCHAZKA, M.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. A TOPSIS multi-criteria evaluation of greases for wind turbine rolling bearings. Tribology and Materials, 2025, vol. 4, iss. 4, p. 220-232.
Článek Scopus
2024
POLÁČEK, T.; ŠPERKA, P.; KŘUPKA, I. Liquid superlubricity of lubricants containing hydroxyl groups and their aqueous solution under rolling/sliding conditions. Friction, 2024, vol. 12, iss. 1, p. 164-173.
VALENA, M.; OMASTA, M.; KVARDA, D.; GALAS, R.; KŘUPKA, I.; HARTL, M. An approach for the creep-curve assessment using a new rail tribometer. Tribology International, 2024, vol. 191, iss. March, p. 1-10. ISSN: 0301-679X.
SKURKA, Š.; GALAS, R.; OMASTA, M.; DING, H.; WANG, W.; KŘUPKA, I.; HARTL, M. Assessing the Performance of TOR Lubricants in Humid Environments and Under Dew Conditions. Tribology letter, 2024, vol. 72, iss. 3, p. 72-90. ISSN: 1023-8883.
OKÁL, M.; KOŠŤÁL, D.; SAKAI, K.; KŘUPKA, I.; HARTL, M. Thickener Behaviour in Rolling Elastohydrodynamic Lubrication Contacts. Tribology letter, 2024, vol. 72, iss. 3, p. 1-16. ISSN: 1573-2711.
STREĎANSKÁ, A.; NEČAS, D.; VRBKA, M.; SUCHÁNEK, J.; MATONOHOVÁ, J.; TOROPITSYN, J.; HARTL, M.; KŘUPKA, I.; NEŠPOROVÁ, K. Understanding frictional behavior in fascia tissues through tribological modeling and material substitution. Journal of the Mechanical Behavior of Biomedical Materials, 2024, vol. 155, iss. 7, p. 1-12. ISSN: 1751-6161.
GALAS, R.; VALENA, M.; JORDÁN, T.; KVARDA, D.; OMASTA, M.; SKURKA, Š.; WU, B.; DING, H.; WANG, W.; KŘUPKA, I.; HARTL, M. A benchmarking methodology for top-of-rail products: Carry distance and retentivity. Tribology International, 2024, vol. 197, iss. září, p. 1-14. ISSN: 0301-679X.
FOLTÝN, J.; HURNÍK, J.; MICHALEC, M.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Pad Alignment Methods and Their Impact on Large Hydrostatic Bearing Precision. Machines, 2024, vol. 12, iss. 8, p. 1-10. ISSN: 2075-1702.
MICHALEC, M.; FOLTÝN, J.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Experimental Comparison of Hydrostatic Bearing Pad Geometry Optimization Approaches Under Static Conditions. In Latest Advancements in Mechanical Engineering. ISIEA 2024. Lecture Notes in Networks and Systems. Springer, 2024. p. 1-11. ISBN: 978-3-031-70461-1.
Stať ve sborníku v databázi WoS či Scopus
VALENA, M.; OMASTA, M.; KLAPKA, M.; GALAS, R.; NAVRÁTIL, V.; KŘUPKA, I.; HARTL, M. Case Study: Correlations Between Curve Squeal, Weather Conditions, and Traction in a Tram Loop. Tribology in Industry, 2024, vol. 46, iss. 4, p. 695-708. ISSN: 0354-8996.
POUZAR, J.; KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental study of space lubricant evaporation in a high vacuum environment. Vacuum, 2024, vol. 219, iss. A, p. 1-7.
2023
KVARDA, D.; GALAS, R.; OMASTA, M.; KŘUPKA, I.; HARTL, M.; DZIMKO, M. Shear properties of top-of-rail products in numerical modelling. Proceedings of the Institution of Mechanical Engineers. Part F, Journal of Rail and Rapid Transit, 2023, vol. 237, iss. 6, p. 796-805. ISSN: 0954-4097.
HAN, Y.; ŠPERKA, P.; WANG, J.; KŘUPKA, I.; HARTL, M.; LI, W.; WANG, X.; WEI-MIN, L. Influence of Free Water Droplets on Film Formation Under Point Contact Grease Lubrication. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 2023, vol. 145, iss. 7, p. 074101-1 (074101-17 p.)ISSN: 0742-4787.
GALAS, R.; SKURKA, Š.; VALENA, M.; KVARDA, D.; OMASTA, M.; DING, H.; LIN, Q., WANG, W.; KŘUPKA, I.; HARTL, M. A benchmarking methodology for top-of-rail products. Tribology International, 2023, vol. 189, iss. November, p. 1-16. ISSN: 0301-679X.
ODEHNAL, L.; RANUŠA, M.; WIMMER, M.; VRBKA, M.; KŘUPKA, I. Development of lubrication film and influence on friction in a total knee replacement during a gait cycle. Tribology International, 2023, vol. 178, iss. Únor, p. 108073-108073. ISSN: 0301-679X.
KŘUPKA, J.; DOČKAL, K.; SEDLÁČEK, T.; REBENDA, D.; KŘUPKA, I.; HARTL, M. Viscoelastic Response of Elastohydrodynamically Lubricated Compliant Contacts below Glass-Transition Temperature. Polymers, 2023, vol. 15, iss. 11, p. 1-20. ISSN: 2073-4360.
ODEHNAL, L.; RANUŠA, M.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Tribological Behaviour of Ti6Al4V Alloy: An Application in Small Joint Implants. Tribology letter, 2023, vol. 71, iss. 4, p. 125-125. ISSN: 1023-8883.
NEČAS, D.; YARIMITSU, S.; REBENDA, D.; SHINMORI, H.; VRBKA, M.; SAWAE, Y.; MURAKAMI, T.; KŘUPKA, I. On the Replacement of Articular Cartilage: The Friction of PVA Hydrogel Layer in Hip Simulator Test. Tribology International, 2023, vol. 178, iss. Part B, p. 108100-108100. ISSN: 0301-679X.
SKURKA, Š.; GALAS, R.; OMASTA, M.; WU, B.; DING, H.; WANG, W.; KŘUPKA, I.; HARTL, M. The performance of top-of-rail products under water contamination. Tribology International, 2023, vol. 188, iss. Říjen, p. 108872-108872. ISSN: 0301-679X.
KŘUPKA, J.; DOČKAL, K.; KŘUPKA, I.; HARTL, M. Polymer Lubrication: Pressure-Viscosity-Temperature Dependence of Film Thickness for Highly Loaded Compliant Contacts in Elastohydrodynamic Lubrication Regime. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 2023, vol. 145, iss. 2, p. 1-14. ISSN: 1528-8897.
2022
RANUŠA, M.; ONDRA, M.; REBENDA, D.; VRBKA, M.; GALLO, J.; KŘUPKA, I. Effects of Viscosupplementation on Tribological Behaviour of Articular Cartilage. Lubricants, 2022, vol. 10, iss. 12, p. 1-15. ISSN: 2075-4442.
STREĎANSKÁ, A.; NEČAS, D.; VRBKA, M.; KŘUPKA, I.; HARTL, M.; TOROPITSYN, E.; HUSBY, J. Development of Tribological Model of Human Fascia: The Influence of Material Hardness and Motion Speed. Biotribology, 2022, vol. 30, iss. 2, p. 100209-100209. ISSN: 2352-5738.
NAVRÁTIL, V.; GALAS, R.; KLAPKA, M.; KVARDA, D.; OMASTA, M.; SHI, L.; DING, H.; WANG, W.; KŘUPKA, I.; HARTL, M. Wheel Squeal Noise in Rail Transport: The Effect of Friction Modifier Composition. Tribology in Industry, 2022, vol. 44, iss. 3, p. 361-373. ISSN: 0354-8996.
KVARDA, D.; SKURKA, Š.; GALAS, R.; OMASTA, M.; SHI, L.; DING, H.; WANG, W.; KŘUPKA, I.; HARTL, M. The effect of top of rail lubricant composition on adhesion and rheological behaviour. Engineering Science and Technology, an International Journal, 2022, vol. 35, iss. 1, p. 101100-101108. ISSN: 2215-0986.
RANUŠA, M.; ČÍPEK, P.; VRBKA, M.; PALOUŠEK, D.; KŘUPKA, I.; HARTL, M. Tribological behaviour of 3D printed materials for small joint implants: A pilot study. Journal of the Mechanical Behavior of Biomedical Materials, 2022, vol. 105274, iss. 132, p. 1-14. ISSN: 1751-6161.
QUINN, C.; NEČAS, D.; ŠPERKA, P.; MARIAN, M.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Experimental investigation of friction in compliant contact: The effect of configuration, viscoelasticity and operating conditions. Tribology International, 2022, vol. 165, iss. 1, p. 107340-107340. ISSN: 0301-679X.
KOŠŤÁL, D.; OKÁL, M.; FRÝZA, J.; KŘUPKA, I.; HARTL, M. Novel In-Situ Observation of the Grease Constituents in Elastohydrodynamic Contacts by Fluorescence Microscopy. Tribology letter, 2022, vol. 70, iss. 126, p. 1-15. ISSN: 1023-8883.
KŘUPKA, J.; DOČKAL, K.; KŘUPKA, I.; HARTL, M. Elastohydrodynamic lubrication of compliant circular contacts near glass-transition temperature. Lubricants, 2022, vol. 10, iss. 7, p. 1-18. ISSN: 2075-4442.
OKÁL, M.; KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Effect of Contact Conformity on Grease Lubrication. Lubricants, 2022, vol. 10, iss. 11, p. 1-13. ISSN: 2075-4442.
2021
KVARDA, D.; GALAS, R.; OMASTA, M.; SHI, L.B.; DING, H.H; WANG, W.J.; KŘUPKA, I.; HARTL, M.;. Asperity-based model for prediction of traction in water-contaminated wheel-rail contact. Tribology International, 2021, vol. 157, iss. 5, p. 106900-106910. ISSN: 0301-679X.
FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Film thickness interrelationship of base oil and grease lubricated compliant and hard non-conformal contacts. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2021, vol. 235, iss. 12, p. 2616-2625. ISSN: 1350-6501.
NEČAS, D.; VRBKA, M.; MARIAN, M.; ROTHAMMER, B.; TREMMEL, S.; WARTZACK, S.; GALANDÁKOVÁ, A.; GALLO, J.; WIMMER, M.; KŘUPKA, I.; HARTL, M. Towards the Understanding of Lubrication Mechanisms in Total Knee Replacements – Part I: Experimental Investigations. Tribology International, 2021, vol. 156, iss. 4, p. 106874-106874. ISSN: 0301-679X.
Motohiro Kaneta, Kenji Matsuda, Jing Wang, Jinlei Cui, Peiran Yang, Hiroshi Nishikawa, Ivan Krupka, Martin Hartl. Numerical Study on the Interaction of Transverse and Longitudinal Roughness on Elastohydrodynamic Lubrication Contact Surfaces With Different Thermal Conductivities and Elastic Moduli. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 2021, vol. 143, iss. 9, p. 091601-091601. ISSN: 1528-8897.
RUFAQUA, R.; VRBKA, M.; HEMZAL, D.; CHOUDHURY, D.; REBENDA, D.; KŘUPKA, I.; HARTL, M. Raman analysis of chemisorbed tribofilm for metal-on-polyethylene hip joint prostheses. Biosurface and Biotribology, 2021, vol. 7, iss. 1, p. 1-11. ISSN: 2405-4518.
ČÍPEK, P.; VRBKA, M.; REBENDA, D.; NEČAS, D.; KŘUPKA, I. Biotribology of synovial cartilage: Role of albumin in adsorbed film formation. Engineering Science and Technology, an International Journal, 2021, vol. 34, iss. 1, p. 1-12. ISSN: 2215-0986.
MARIAN, M.; ORGELDINGER, C.; ROTHAMMER, R.; NEČAS, D.; VRBKA, M.; KŘUPKA, I.; HARTL, M.; WIMMER, M.A.; TREMMEL, S.; WARTZACK, S. Towards the Understanding of Lubrication Mechanisms in Total Knee Replacements – Part II: Numerical Modeling. Tribology International, 2021, vol. 156, iss. 4, p. 106809-106809. ISSN: 0301-679X.
MICHALEC, M.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. A Review of the Design and Optimization of Large-scale Hydrostatic Bearing Systems. Engineering Science and Technology, an International Journal, 2021, vol. 24, iss. 4, p. 936-958. ISSN: 2215-0986.
RUFAQUA, R.; VRBKA, M.; HEMZAL, D.; CHOUDHURY, D.; REBENDA, D.; KŘUPKA, I.; HARTL, M. Analysis of Chemisorbed Tribo-Film for Ceramic-on-Ceramic Hip Joint Prostheses by Raman Spectroscopy. Journal of Functional Biomaterials, 2021, vol. 12, iss. 2, p. 1-18. ISSN: 2079-4983.
RANUŠA, M.; WIMMER, M.; FULLAM, S.; VRBKA, M.; KŘUPKA, I. Analysis of Friction in Total Knee Prosthesis during a Standard Gait Cycle. Lubricants, 2021, vol. 9, iss. 4, p. 1-14. ISSN: 2075-4442.
2020
GALAS, R.; OMASTA, M.; SHI, L.; DING, H.; WANG, W.; HARTL, M.; KŘUPKA, I. The low adhesion problem: The effect of environmental conditions on adhesion in rolling-sliding contact. Tribology International, 2020, vol. 151, iss. 11, p. 106521-106531. ISSN: 0301-679X.
ZAPLETAL, T.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. On the Relation between Friction Increase and Grease Thickener Entraining on a Border of Mixed EHL Lubrication. Lubricants, 2020, vol. 8, iss. 2, p. 1-11. ISSN: 2075-4442.
NEČAS, D.; USAMI, H.; NIIMI, T.; SAWAE, Y.; KŘUPKA, I.; HARTL, M. Running-in friction of hip joint replacements can be significantly reduced: The effect of surface-textured acetabular cup. Friction, 2020, vol. 8, iss. 6, p. 1137-1152. ISSN: 2223-7690.
ČÍPEK, P.; VRBKA, M.; REBENDA, D.; NEČAS, D.; KŘUPKA, I. Biotribology of Synovial Cartilage: A New Method for Visualization of Lubricating Film and Simultaneous Measurement of the Friction Coefficient. Materials, 2020, vol. 13, iss. 9, p. 1-20. ISSN: 1996-1944.
NAVRÁTIL, M.; KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Replenishment Differences in EHL Contact Lubricated by New andIn-bearings-aged Grease. Tribology in Industry, 2020, vol. 42, iss. 1, p. 102-114. ISSN: 0354-8996.
KOŠŤÁL, D.; ŠPERKA, P.; CHMELAR, J.; VITEK, P.; POLAK, M.; KŘUPKA, I. Comparison of Grease and Solid Lubrication of Rolling Bearings Under Small-Stroke Reciprocationfor Space Applications. Tribology in Industry, 2020, vol. 42, iss. 1, p. 146-158. ISSN: 0354-8996.
KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I. Příspěvek v rámci mezinárodní odborné konference. 2020.
KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Use of Pyrene for Quantitative Fluorescence Observation of Li-Grease around EHL Contacts. Tribology Online, 2020, vol. 15, iss. 3, p. 117-125. ISSN: 1881-218X.
FURMANN, D.; NEČAS, D.; REBENDA, D.; ČÍPEK, P.; VRBKA, M.; KŘUPKA, I.; HARTL, M. The effect of synovial fluid composition, speed and load on frictional behaviour of articular cartilage. Materials, 2020, vol. 13, iss. 6, p. 1-16. ISSN: 1996-1944.
MICHALEC, M., SVOBODA, P., KŘUPKA, I., HARTL, M., VENCL, A. Investigation of the tribological performance of ionic liquids in non-conformal EHL contacts under electric field activation. Friction, 2020, vol. 8, iss. 5, p. 982-994. ISSN: 2223-7690.
2019
KŘUPKA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Lubrication of rolling - sliding polymer contacts. In Engineering Mechanics 2019. Engineering Mechanics .... First edition. Prague: Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences, Prague, 2019. iss. vol. 25, p. 219-222. ISBN: 978-80-87012-71-0. ISSN: 1805-8256.
NEČAS, D.; VRBKA, M.; GALANDÁKOVÁ, A.; KŘUPKA, I.; HARTL, M. On the observation of lubrication mechanisms within hip joint replacements. Part I: Hard-on-soft bearing pairs. Journal of the Mechanical Behavior of Biomedical Materials, 2019, vol. 89, iss. 1, p. 237-248. ISSN: 1751-6161.
NEČAS, D.; SADECKÁ, K.; VRBKA, M.; GALLO, J.; GALANDÁKOVÁ, A.; KŘUPKA, I.; HARTL, M. Observation of lubrication mechanisms in knee replacement: A pilot study. Biotribology, 2019, vol. 17, iss. 2019, p. 1-7. ISSN: 2352-5738.
ZAPLETAL, T.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Dynamic friction measurement of EHL contact with artificial roughness. ECOTRIB 2019, 7th European Conference on Tribology. The Austrian Tribology Society, 2019. p. 34.ISBN: 978-3-901657-60-3.
Abstrakt
Ivan Krupka, Martin Hartl, Kenji Matsuda, Hiroshi Nishikawa, Jing Wang, Feng Guo, Peiran Yang & Motohiro Kaneta. Deformation of Rough Surfaces in Point EHL Contacts. Tribology letter, 2019, vol. 67, iss. 2, p. 1-16. ISSN: 1023-8883.
RUFAQUA, R.; VRBKA, M.; CHOUDHURY, D.; HEMZAL, D.; REBENDA, D.; KŘUPKA, I.; HARTL, M. Raman spectroscopic analysis of the biochemical reaction of hyaluronic acid in joint replacement. Nashville: 2019. 1 p.
NEČAS, D.; VRBKA, M.; GALLO, J.; KŘUPKA, I.; HARTL, M. On the observation of lubrication mechanisms within hip joint replacements. Part II: Hard-on-hard bearing pairs. Journal of the Mechanical Behavior of Biomedical Materials, 2019, vol. 89, iss. 1, p. 249-259. ISSN: 1751-6161.
FRÝZA, J.; KROUPA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Investigation of film thickness of grease-lubricated thrust bearing: From ball-on-disc to bearing. In Proceedings on Engineering Sciences. Proceedings on Engineering Sciences - 16th International Conference on Tribology. 1. Kragujevac, Serbia: University of Kragujevac, Faculty of Engineering, 2019. iss. 1, p. 550-554. ISSN: 2620-2832.
RUFAQUA, R.; VRBKA, M.; CHOUDHURY, D.; HEMZAL, D.; KŘUPKA, I.; HARTL, M. A systematic review on correlation between biochemical and mechanical processes of lubricant film formation in joint replacement of the last 10 years. Lubrication Science, 2019, vol. 31, iss. 3, p. 85-101. ISSN: 1557-6833.
REBENDA, D.; ČÍPEK, P.; VRBKA, M.; KŘUPKA, I. Effect of Hyaluronic Acid Molecular Weight on Friction of Articular Cartilage. In Proceedings on Engineering Sciences - 16th International Conference on Tribology. Proceedings on Engineering Sciences - 16th International Conference on Tribology. Kragujevac: University of Kragujevac, Faculty of Engineering, 2019. iss. 1, p. 693-697. ISSN: 2620-2832.
ČÍPEK, P.; REBENDA, D.; NEČAS, D.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Visualization of Lubrication Film in Model of Synovial Joint. Tribology in Industry, 2019, vol. 41, iss. 3, p. 387-393. ISSN: 0354-8996.
2018
KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Artificial Surface Roughness Deformation in the Starved EHL Contacts. Tribology Online, 2018, vol. 13, iss. 1, p. 1-7. ISSN: 1881-2198.
KANETA, M.; KŘUPKA, I.; ŠPERKA, P.; HARTL, M.; YANG, P.; YANG, P. Thermal Elastohydrodynamic Lubrication of Ceramic Materials. TRIBOLOGY TRANSACTIONS, 2018, vol. 61, iss. 5, p. 868-878. ISSN: 1040-2004.
NEČAS, D.; VRBKA, M.; REBENDA, D.; GALLO, J.; GALANDÁKOVÁ, A.; WOLFOVÁ, L.; KŘUPKA, I.; HARTL, M. In Situ Observation of Lubricant Film Formation in THR Considering Real Conformity: The Effect of Model Synovial Fluid Composition. Tribology International, 2018, vol. 117, iss. 1, p. 206-216. ISSN: 0301-679X.
ZEMAN, J.; RANUŠA, M.; VRBKA, M.; GALLO, J.; M.; KŘUPKA, I.; HARTL, M. UHMWPE acetabular cup creep deformation during the run-in phase of THA's life cycle. Journal of the Mechanical Behavior of Biomedical Materials, 2018, vol. 87, iss. 1, p. 30-39. ISSN: 1751-6161.
RANUŠA, M.; GALLO, J.; VRBKA, M.; HOBZA, M.; PALOUŠEK, D.; KŘUPKA, I.; HARTL, M. Wear Analysis of Extracted Polyethylene Acetabular Cups Using a 3D Optical Scanner. TRIBOLOGY & LUBRICATION TECHNOLOGY, 2018, vol. 74, iss. 6, p. 68-84. ISSN: 1545-858X.
KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Replenishment in EHL contact lubricated by greases. ICETAT 2018 Proceeding. 2018. p. 123.ISBN: NA.
MICHALEC, M.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Tribological behaviour of smart fluids influenced by magnetic and electric field – A review. Tribology in Industry, 2018, vol. 40, iss. 4, p. 515-528. ISSN: 0354-8996.
OMASTA, M.; STRNAD, J.; HARTL, M.; KŘUPKA, I. Využití monitoringu stavu maziva pro hodnocení chování mazaného uzlu. Praha: Česká strojnická společnost z.s., 2018. s. 19.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Analytical Formula for the Ratio of Central to Minimum Film Thickness in a Circular EHL Contact. Lubricants, 2018, vol. 6, iss. 3, p. 1-11. ISSN: 2075-4442.
FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Effects of lateral harmonic vibrations on film thickness in EHL point contacts. Tribology International, 2018, vol. 117, iss. 1, p. 236-249. ISSN: 0301-679X.
GALAS, R.; KVARDA, D.; OMASTA, M.; KŘUPKA, I.; HARTL, M. The role of constituents contained in water–based friction modifiers for top–of–rail application. Tribology International, 2018, vol. 117, iss. 1, p. 87-97. ISSN: 0301-679X.
OMASTA, M.; EBNER, M.; ŠPERKA, P.; LOHNER, T.; KŘUPKA, I.; HARTL, M.; HOEHN, B-R.; STAHL, K. Film formation in EHL contacts with oil-impregnated sintered materials. INDUSTRIAL LUBRICATION AND TRIBOLOGY, 2018, vol. 70, iss. 4, p. 612-619. ISSN: 0036-8792.
R. Rufaqua, M. Vrbka, D. Choudhury, D. Hemzal, I. Křupka, M. Hartl. THE BIOCHEMICAL PROCESS OF LUBRICANT FILM FORMATION IN JOINT REPLACEMENT. In Engineering Mechanics 2018. First. Praha: Institute of Theretical and Applied Mechanics of the Czech Academy of Sciences, 2018. p. 725-728. ISBN: 978-80-86246-88-8.
KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental study of the replenishment in EHL contact lubricated by oils and greases. In 73rd Society of Tribologists & Lubrication Engineers Annual Meeting & Exhibition 2018, Proceedings of a meeting held 20-24 May 2018, Minneapolis, Minnesota, USA. 1. 2018. p. 1 (1 s.). ISBN: 9781510867635.
TKACHENKO, S.; ČÍŽEK, J.; MUŠÁLEK, R.; DVOŘÁK, K.; SPOTZ, Z.; MONTUFAR JIMENEZ, E.; CHRÁSKA, T.; KŘUPKA, I.; ČELKO, L. Metal matrix to ceramic matrix transition via feedstock processing of SPS titanium composites alloyed with high silicone content. Journal of Alloys and Compounds, 2018, vol. 764, iss. 1, p. 776-788. ISSN: 0925-8388.
GALAS, R.; OMASTA, M.; KŘUPKA, I.; HARTL, M. Influence of climatic conditions on adhesion in the wheel-rail contact. In Proceedings of Asia International Conference on Tribology 2018. Malajsie: Malaysian Tribology Society, 2018. p. 242-243. ISBN: 978-967-13625-2-5.
CHOUDHURY, D.; RANUŠA, M.; FLEMING, R. A.; VRBKA, M.; KŘUPKA, I.; TEETER M. G.; GOSS, J.; ZOU, M. Mechanical Wear and Oxidative Degradation Analysis of Retrieved Ultra High Molecular Weight Polyethylene Acetabular Cups. Journal of the Mechanical Behavior of Biomedical Materials, 2018, vol. 79, iss. 1, p. 314-323. ISSN: 1751-6161.
ČÍPEK, P.; REBENDA, D.; NEČAS, D.; VRBKA, M.; KŘUPKA, I. Development of reciprocating tribometer for testing synovial joint. In Engineering Mechanics 2018. Engineering Mechanics .... First edition. Praha: Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences, Prague, 2018. p. 169-172. ISBN: 978-80-86246-88-8. ISSN: 1805-8256.
NEČAS, D.; VRBKA, M.; GALLO, J.; GALANDÁKOVÁ, A.; KŘUPKA, I.; HARTL, M. An Investigation of Lubrication Mechanisms within Hard-on-soft Hip Implants: A Pilot Study. In Proceedings of Asia International Conference on Tribology 2018 (ASIATRIB 2018). Malajsie: Malaysian Tribology Society, 2018. p. 149-150. ISBN: 978-967-13625-2-5.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Roughness effects in concentrated contact from full to mixed lubrication. In PROCEEDINGS OF ASIA INTERNATIONAL CONFERENCE ON TRIBOLOGY 2018 (ASIATRIB 2018). MALAYSIA: MALAYSIAN TRIBOLOGY SOC-MYTRIBOS, 2018. p. 171-172. ISBN: 978-967-13625-2-5.
NEČAS, D.; VRBKA, M.; KŘUPKA, I.; HARTL, M. The Effect of Kinematic Conditions and Synovial Fluid Composition on the Frictional Behaviour of Materials for Artificial Joints. Materials, 2018, vol. 11, iss. 5, p. 1-12. ISSN: 1996-1944.
ZAPLETAL, T.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. The effect of surface roughness on friction and film thickness in transition from EHL to mixed lubrication. Tribology International, 2018, vol. 128, iss. 1, p. 356-364. ISSN: 1879-2464.
OMASTA, M.; ADAM, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. On the Temperature and Lubricant Film Thickness Distribution in EHL Contacts with Arbitrary Entrainment. Lubricants, 2018, vol. 6, iss. 4, p. 1-12. ISSN: 2075-4442.
NEČAS, D.; JAROŠ, T.; DOČKAL, K.; ŠPERKA, P.; VRBKA, M.; KŘUPKA, I.; HARTL, M. The effect of kinematic conditions on film thickness in compliant lubricated contact. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 2018, vol. 140, iss. 5, p. 1-8. ISSN: 0742-4787.
EBNER, M; OMASTA, M.; LOHNER, T; ŠPERKA, P.; KŘUPKA, I.; HARTL, M.; MICHAELIS, K.; HOHN, R-B.; STAHL, K. Local Effects in EHL Contacts with Oil-Impregnated Sintered Materials. Lubricants, 2018, vol. 7, iss. 1, p. 1-21. ISSN: 2075-4442.
2017
FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Frictional response of lubricant in EHL contact under transient bi-directional shear loading. Tribology in Industry, 2017, vol. 39, iss. 4, p. 506-518. ISSN: 0354-8996.
NEČAS, D.; SAWAE, Y.; FUJISAWA, T.; NAKASHIMA, K.; MORITA, T.; YAMAGUCHI, T.; VRBKA, M.; KŘUPKA, I.; HARTL, M. The Influence of Proteins and Speed on Friction and Adsorption of Metal/UHMWPE Contact Pair. Biotribology, 2017, vol. 11, iss. 2017, p. 51-59. ISSN: 2352-5738.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Prediction of Shallow Indentation Effects in a Rolling-Sliding EHL Contact Based on Amplitude Attenuation Theory. Tribology Online, 2017, vol. 12, iss. 1, p. 1-7. ISSN: 1881-2198.
CHOUDHURY, D.; VRBKA, M.; MAMAT, A.B.; STAVNESS, I.; ROY, CH.K.; MOOTANAH, R.; KŘUPKA, I. The impact of surface and geometry on coefficient of friction of artificial hip joints. Journal of the Mechanical Behavior of Biomedical Materials, 2017, vol. 72, iss. 8, p. 192-199. ISSN: 1751-6161.
NEČAS, D.; VRBKA, M.; URBAN, F.; GALLO, J.; KŘUPKA, I.; HARTL, M. In situ observation of lubricant film formation in THR considering real conformity: The effect of diameter, clearance and material. Journal of the Mechanical Behavior of Biomedical Materials, 2017, vol. 69, iss. 5, p. 66-74. ISSN: 1751-6161.
OMASTA, M.; GALAS, R.; KNÁPEK, J.; HARTL, M.; KŘUPKA, I. Development of an adaptive top-of-rail friction modification system. In Institution of Mechanical Engineers - Stephenson Conference: Research for Railways 2017. London; United States: Institution of Mechanical Engineers, 2017. p. 325-332. ISBN: 9781510882959.
GALAS, R.; OMASTA, M.; KLAPKA, M.; KAEWUNRUEN, S.; KŘUPKA, I.; HARTL, M. Case study: the influence of oil-based friction modifier quantity on tram braking distance and noise. Tribology in Industry, 2017, vol. 39, iss. 2, p. 198-206. ISSN: 0354-8996.
DOČKAL, K.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Fluid flow measurements of 5P4E by particle tracking velocimetry. In ENGINEERING MECHANICS 2017. Česká republika: Aakdemie věd ČR, Ústav termomechaniky, 2017. p. 274-277. ISBN: 978-80-214-5497-2.
KOŠŤÁL, D.; ŠPERKA, P.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Influence of lubricant inlet film thickness on EHL contact starvation. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 2017, vol. 139, iss. 5, p. 1-10. ISSN: 0742-4787.
KANETA, M.; CUI, J. L.; YANG, P. R.; KŘUPKA, I.; HARTL, M. Influence of thermal conductivity of contact bodies on perturbed film caused by a ridge and groove in point EHL contacts. Tribology International, 2017, vol. 100, iss. 1, p. 84-98. ISSN: 0301-679X.
OMASTA, M.; KŘUPKA, I.; HARTL, M. Effect of Sliding Direction on EHL Film Shape Under High Sliding Conditions. TRIBOLOGY TRANSACTIONS, 2017, vol. 60, iss. 1, p. 87-94. ISSN: 1040-2004.
KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental comparison of the behavior between base oil and grease starvation based on inlet film thickness. Tribology in Industry, 2017, vol. 2017, iss. 1, p. 110-119. ISSN: 0354-8996.
NEČAS, D.; VRBKA, M.; GALLO, J.; KŘUPKA, I.; HARTL, M. Observation of lubrication mechanisms within artificial hip joints. Sixth World Tribology Congress (WTC 2017). Peking: Chinese Tribology Institute (CTI), 2017. p. 1.
SAKAI, K.; KOŠŤÁL, D.; SHITARA, Y.; KANETA, M.; KŘUPKA, I.; HARTL, M. Influence of Li Grease Thickener Types on Film Thicknesses Formed between Smooth and Dented Surfaces. Tribology Online, 2017, vol. 12, iss. 5, p. 262-273. ISSN: 1881-2198.
FICZA, I.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Effect of Kinematic Operating Conditions on Ridge Deformation—Numerical Study With Experimental Comparison. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 2017, vol. 139, iss. 3, p. 031502-031509. ISSN: 0742-4787.
CUI, J. P.; YANG, P.; KANETA, M.; KŘUPKA, I. Numerical study on the interaction of transversely oriented ridges in thermal elastohydrodynamic lubrication point contacts using the Eyring shear-thinning model. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2017, vol. 231, iss. 1, p. 93-106. ISSN: 1350-6501.
ZAPLETAL, T.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. The effect of surface grooves on transition to mixed lubrication. Tribology International, 2017, vol. 114, iss. 1, p. 409-417. ISSN: 0301-679X.
2016
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental Study of Roughness Effect in a Rolling–Sliding EHL Contact. Part I: Roughness Deformation. TRIBOLOGY TRANSACTIONS, 2016, vol. 59, iss. 2, p. 267-276. ISSN: 1040-2004.
KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Relationship between Thickness of Entering Layer and Level of EHL Contact Starvation. In Tribology - Industrial and Automotive Lubrication. Esslingen (Germany): Techniosche Akademie Esslingen e.V., 2016. p. 120-120. ISBN: 978-3-943563-23-8.
NEČAS, D.; VRBKA, M.; KŘUPKA, I.; HARTL, M.; GALANDÁKOVÁ, A. Lubrication within hip replacements – Implication for ceramic-on-hard bearing couples. Journal of the Mechanical Behavior of Biomedical Materials, 2016, vol. 61, iss. 8, p. 371-383. ISSN: 1751-6161.
KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Including the method of lubricant film thickness measurement with the use of the monochromatic interferometry to the education of tribology. In 55th International conference of Machine design Departments. 2016. s. 141-146. ISBN: 978-80-01-05542-7.
Choudhury, D.; Lackner, JM. ; Major, L.; Morita, T.; Sawae, Y.; Bin Mamat, A. ; Stavness, I. ; Roy, CK.; Krupka, I. Improved wear resistance of functional diamond like carbon coated Ti-6Al-4V alloys in an edge loading conditions. Journal of the Mechanical Behavior of Biomedical Materials, 2016, vol. 59, iss. 1, p. 586-595. ISSN: 1751-6161.
CHOUDHURY, D.; GHOSH, S.; ALI, F.; VRBKA, M.; HARTL, M.; KŘUPKA, I. The influence of surface modification on friction and lubrication mechanism under a bovine serum lubricated condition. TRIBOLOGY TRANSACTIONS, 2016, vol. 59, iss. 2, p. 316-322. ISSN: 1040-2004.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental Study of Roughness Effect in a Rolling-Sliding EHL Contact. Part II: Complementary Effects. TRIBOLOGY TRANSACTIONS, 2016, vol. 59, iss. 2, p. 277-285. ISSN: 1040-2004.
ŠPERKA, P.; OMASTA, M.; KŘUPKA, I.; HARTL, M. Abnormal lubricant aggregation on roughness features in a rolling–sliding elastohydrodynamic contact. Tribology International, 2016, vol. 94, iss. 1, p. 346-351. ISSN: 0301-679X.
NEČAS, D.; VRBKA, M.; YARIMITSU, S.; NAKASHIMA, K.; SAWAE, Y.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Frictional properties of PVA hydrogel. In The Latest Methods of Construction Design. Springer International Publishing, 2016. p. 159-164. ISBN: 978-3-319-22761-0.
SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Study of Scale Effect in a Starved Elastohydrodynamically Lubricated Contact. Applied Mechanics and Materials, 2016, vol. 821, iss. 1, p. 138-143. ISSN: 1662-7482.
Článek recenzovaný mimo WoS a Scopus
KŘUPKA, I.; ŠPERKA, P.; HARTL, M. Effect of surface roughness on lubricant film breakdown and transition from EHL to mixed lubrication. Tribology International, 2016, vol. 100, iss. 1, p. 116-125. ISSN: 0301-679X.
FRÝZA, J.; ŠPERKA, P.; KANETA, M.; KŘUPKA, I.; HARTL, M. Effects of lubricant rheology and impact speed on EHL film thickness at pure squeeze action. Tribology International, 2016, vol. 106, iss. 2, p. 1-9. ISSN: 0301-679X.
GALAS, R.; OMASTA, M.; KŘUPKA, I.; HARTL, M. Laboratory investigation of ability of oil-based friction modifiers to control adhesion at wheel-rail interface. Wear, 2016, vol. 368-369, iss. 3, p. 230-238. ISSN: 0043-1648.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Lubricant flow in thin-film elastohydrodynamic contact under extreme conditions. Friction, 2016, vol. 4, iss. 4, p. 380-390. ISSN: 2223-7690.
DONG, J.; SVOBODA, P.; VRBKA, M.; KOŠŤÁL, D.; URBAN, F.; ČÍŽEK, J.; ROUPCOVÁ, P.; DONG, H.; KŘUPKA, I.; HARTL, M. Towards near-permanent CoCrMo prosthesis surface by combining micro-texturing and low temperature plasma carburising. Journal of the Mechanical Behavior of Biomedical Materials, 2016, vol. 55, iss. 1, p. 215-227. ISSN: 1751-6161.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. The effect of surface grooves on film breakdowns in point contacts. Tribology International, 2016, vol. 102, iss. 1, p. 249-256. ISSN: 0301-679X.
NEČAS, D.; VRBKA, M.; URBAN, F.; KŘUPKA, I.; HARTL, M. The effect of lubricant constituents on lubrication mechanisms in hip joint replacements. Journal of the Mechanical Behavior of Biomedical Materials, 2016, vol. 55, iss. 3, p. 295-307. ISSN: 1751-6161.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Transition from plug-flow to linear speed profile near a dent in a rolling–sliding EHL contact. Tribology International, 2016, vol. 100, iss. 1, p. 344-350. ISSN: 0301-679X.
RANUŠA, M.; GALLO, J.; VRBKA, M.; HOBZA, M.; PALOUŠEK, D.; KŘUPKA, I.; HARTL, M. Wear Analysis of Extracted Polyethylene Acetabular Cups Using a 3D Optical Scanner. TRIBOLOGY TRANSACTIONS, 2016, vol. 60, iss. 3, p. 437-447. ISSN: 1040-2004.
SVOBODA, P.; KOŠŤÁL, D.; GALAS, R.; KŘUPKA, I.; HARTL, M. Tribological behaviour of ultra dispersed diamond-graphite in liquid lubricants. Journal of the Balkan Tribological Association, 2016, vol. 22, iss. 4A, p. 4994-5009. ISSN: 1310-4772.
Choudhury, D.; Morita, T.; Sawae, Y. ; Lackner, JM. ; Towler, M. ; Krupka, I. A novel functional layered diamond like carbon coating for orthopedics applications. DIAMOND AND RELATED MATERIALS, 2016, vol. 61, iss. 1, p. 56-69. ISSN: 0925-9635.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Surface Roughness Effects under High Sliding EHL Conditions. Tribology Online, 2016, vol. 11, iss. 1, p. 34-39. ISSN: 1881-218X.
2015
ALI, F.; KANETA, M.; KŘUPKA, I.; HARTL, M. Experimental and numerical investigation on the behavior of transverse limited micro-grooves in EHL point contacts. Tribology International, 2015, vol. 84, iss. 4, p. 81-89. ISSN: 0301-679X.
SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I. Experimental Investigation of Lubrication Film Formation at Start-up of Smooth Surfaces. In Book of Proceedings of 56th International Conference of Machine Design Departments. 1. Nitra: Slovak University of Agriculture in Nitra, 2015. p. 375-380. ISBN: 978-80-552-1377-4.
KANETA, M.; YANG, P.; KŘUPKA, I.; HARTL, M. Fundamentals of thermal elastohydrodynamic lubrication in Si3N4 and steel circular contacts. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2015, vol. 229, iss. 8, p. 929-939. ISSN: 1350-6501.
KOŠŤÁL, D.; ŠPERKA, P.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Experimental observation of elastohydrodynamically lubricated contacts replenishment. MM Science Journal, 2015, iss. 2015/3, p. 640-644. ISSN: 1805-0476.
NEČAS, D.; VRBKA, M.; URBAN, F.; KŘUPKA, I.; HARTL, M.; GALLO, J. An experimental investigation of lubricant film formation in artificial hip joints. Proceedings of The 8th International Biotribology Forum and The 36th Biotribology Symposium. Yokohama: 2015. p. 73.
KOŠŤÁL, D.; NEČAS, D.; ŠPERKA, P.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Lubricant Rupture Ratio at Elastohydrodynamically Lubricated Contact Outlet. Tribology letter, 2015, vol. 59, iss. 3, p. 1 (jasne p.)ISSN: 1023-8883.
NEČAS, D.; ŠPERKA, P.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Film thickness mapping in lubricated contacts using fluorescence. MM Science Journal, 2015, vol. 4, iss. 4, p. 821-824. ISSN: 1803-1269.
VRBKA, M.; NEČAS, D.; BARTOŠÍK, J.; HARTL, M.; KŘUPKA, I.; GALANDÁKOVÁ, A.; GALLO, J. Stanovení součinitele tření hlavic a jamek TEP kyčle. Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca, 2015, roč. 82, č. 5, s. 341-347. ISSN: 0001-5415.
GALAS, R.; OMASTA, M.; KŘUPKA, I.; HARTL, M. Effect of Friction Modifiers on Adhesion in Wheel-Rail Contact. Tokyo: Japanese Society of Tribologists, 2015. p. 973.
SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Experimental Investigation of Lubrication Film Formation at Start-up of Smooth Surfaces. MM Science Journal, 2015, vol. 2015, iss. December, p. 825-828. ISSN: 1805-0476.
CHOUDHURY, D.; ROY, T.; KRUPKA, I.; HARTL, M.; MOOTANAH, R. Tribological Investigation of Ultra-High Weight Molecular Polyethylene Against Advanced Ceramic Surfaces in a hip Joint Conditions. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2015, vol. 229, iss. 4, p. 410-419. ISSN: 1350-6501.
CHOUDHURY, D.; URBAN, F.; VRBKA, M.; HARTL, M.; KŘUPKA, I. A novel tribological study on DLC-coated micro-dimpled Orthopedics implant interface. Journal of the Mechanical Behavior of Biomedical Materials, 2015, vol. 2015, iss. 45, p. 121-131. ISSN: 1751-6161.
GALAS, R.; ŠPERKA, P.; OMASTA, M.; HARTL, M.; KŘUPKA, I. Investigation of the Lubricant Fluid-Flow in EHL Contact using Particle Tracking. In Book of Proceedings of 56th International Conference of Machine Design Departments. First. Nitra: Slovak University of Agriculture in Nitra, 2015. p. 353-356. ISBN: 978-80-552-1377-4.
CHOUDHURY, D.; CHING, H.A.; MAMAT, A.B.; ČÍŽEK, J.; ABU OSMAN, N.A.; VRBKA, M.; HARTL, M.; KŘUPKA, I. Fabrication and characterization of DLC coated microdimples on hip prosthesis heads. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS, 2015, vol. 103, iss. 5, p. 1002-1012. ISSN: 1552-4973.
ALI, F.; KŘUPKA, I.; HARTL, M. Effects of out-of-contact lubricant channeling on friction and film thickness in starved elastohydrodynamic lubrication point contacts. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2015, vol. 229, iss. 6, p. 1-9. ISSN: 1350-6501.
SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I. Study of Scale Effect in a Starved Elastohydrodynamically Lubricated Contact. In ENGINEERING MECHANICS 2015 21st International Conference Engineering Mechanics 2015. Engineering Mechanics. 1. Svratka: Institute of Theoretical and Applied Mechanics, 2015. p. 314-315. ISBN: 978-80-86246-42-0. ISSN: 1805-8248.
ALI, F.; KŘUPKA, I.; HARTL, M. Reducing the friction of lubricated nonconformal point contacts by transverse shallow micro-grooves. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2015, vol. 229, iss. 4, p. 420-428. ISSN: 1350-6501.
URBAN, F.; NEČAS, D.; VRBKA, M.; KŘUPKA, I.; HARTL, M. In Situ Observation of Lubricant Film within Artificial Hip Joints. Tokyo: Japanese Society of Tribologists, 2015. p. 860.
OMASTA, M.; MACHATKA, M; SMEJKAL, D.; KŘUPKA, I.; HARTL, M. Influence of sanding parameters on adhesion recovery in contaminated wheel–rail contact. Wear, 2015, vol. 322-323, iss. 1, p. 218-225. ISSN: 0043-1648.
VRBKA, M.; NEČAS, D.; HARTL, M.; KŘUPKA, I.; URBAN, F.; GALLO, J. Visualization of lubricating films between artificial head and cup with respect to real geometry. Biotribology, 2015, vol. 1-2, iss. 1, p. 61-65. ISSN: 2352-5738.
BRHLÍK, R.; FICZA, I.; NEČAS, D.; KŘUPKA, I. Problematika modelování elastohydrodynamického mazání s využitím MKP. In 2015.
ALI, F.; KŘUPKA, I.; HARTL, M. Mechanism for Controlling Oil Replenishment in Starved Elliptical EHL Contacts. Tribology letter, 2015, vol. 60, iss. 37, p. 1-8. ISSN: 1023-8883.
FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Roughness Effects in Impact EHL of Elliptical Contacts. Tokyo: Japanese Society of Tribologists, 2015. p. 971.
FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Behaviour of EHL Films under Lateral Vibrations. In Book of Proceedings of 56th International Conference of Machine Design Departments. First. Nitra: Slovak University of Agriculture in Nitra, 2015. p. 349-352. ISBN: 978-80-552-1377-4.
2014
SVOBODA, P.; KOŠŤÁL, D.; KUŇÁK, J.; KŘUPKA, I. Study of grease behaviour in a starved Elastohydrodynamically lubricated contact. MM Science Journal, 2014, vol. 2014, iss. June, p. 464-469. ISSN: 1805-0476.
KANETA, M.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Ehl traction analysis of perfluoropolyether fluids based on bulk modulus. Tribologia: Finnish Journal of Tribology, 2014, vol. 32, iss. 2, p. 29-37. ISSN: 0780-2285.
HARTL, M.; KŘUPKA, I.; OMASTA, M.; ŠPERKA, P. Recent Advances and Problems in Lubricated Hertzian Contacts. In Engineering Mechanics 2014. Svratka: Brno University of Technology, 2014. p. 34-38. ISBN: 978-80-214-4871-1.
KŘUPKA, I.; KANETA, M. Technology education and research in Czech Republic - Brno University of Tribology. JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS, 2014, vol. 59, iss. 9, p. 535-540. ISSN: 0915-1168.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Evidence of Plug Flow in Rolling-Sliding Elastohydrodynamic Contact. Tribology letter, 2014, vol. 54, iss. 2, p. 151-160. ISSN: 1023-8883.
VRBKA, M.; KŘUPKA, I.; HARTL, M.; NÁVRAT, T.; GALLO, J.; GALANDÁKOVÁ, A. In situ measurements of thin films in bovine serum lubricated contacts using optical interferometry. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART H-JOURNAL OF ENGINEERING IN MEDICINE, 2014, vol. 228, iss. 2, p. 149-158. ISSN: 0954-4119.
HARTL, M.; KŘUPKA, I.; OMASTA, M.; ŠPERKA, P. RECENT ADVANCES AND PROBLEMS IN LUBRICATED HERTZIAN CONTACTS. In ENGINEERING MECHANICS 2014. Engineering Mechanics. Engineering Mechanics. Svratka, Česká Republika.: Czech Society for Mechanics, 2014. p. 34-37. ISBN: 978-80-214-4871-1. ISSN: 1805-8248.
KANETA, M.; GUO, F.; WANG, J.; KŘUPKA, I.; HARTL, M. Microgroove formation in surface ridges in impact elliptical EHL contacts. Lubrication Science, 2014, vol. 26, iss. 5, p. 283-299. ISSN: 0954-0075.
KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Mechanismy mazání valivých ložisek. In 2014. s. 30-32.
NEČAS, D.; VRBKA, M.; YARIMITSU, S.; NAKASHIMA, K.; SAWAE, Y.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Frictional Properties of PVA Hydrogel. In 55th International Conference of Machine Design Departments. 2014. p. 147-152. ISBN: 978-80-01-05542-7.
NEČAS, D.; VRBKA, M.; ŠPERKA, P.; DRUCKMÜLLER, M.; SKLÁDAL, P.; ŠTARHA, P.; KŘUPKA, I.; HARTL, M. Qualitative Analysis of Film Thickness in Rolling EHD Contact by Fluorescence Technique. In Modern Methods of Construction Design. Lecture Notes in Mechanical Engineering. Springer International Publishing, 2014. p. 615-622. ISBN: 978-3-319-05202-1. ISSN: 2195-4356.
2013
SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Experimental study of starved EHL contacts based on thickness of oil layer in the contact inlet. Tribology International, 2013, vol. 67, iss. 1, p. 140-145. ISSN: 0301-679X.
KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Surface Roughness Effects in Starved EHL Contacts. In Proceedings of World Tribology Congres 2013. 1. Turín: Italian Tribology Association, 2013. p. 951-954. ISBN: 9781634393522.
NEČAS, D.; VRBKA, M.; ŠPERKA, P.; DRUCKMÜLLER, M.;SKLÁDAL, P.; ŠTARHA, P.; KŘUPKA, I.; HARTL, M. Qualitative Analysis of Film Thickness in Rolling EHD Contact by Fluorescence Technique. In Book of Proceedings of 54th International Conference of Machine Design Departments. Springer, 2013. p. 513-520. ISBN: 978-80-7372-986-8.
JANG, S.; HARTL, M.; KŘUPKA, I. Study on the transient elastohydrodynamic film formation by the artificial surface pattern structure. In 5th World Tribology Congress, WTC 2013; The Palaolimpico Isozaki TorinoC.so SebastopoliTorino; Italy; 8 September 2013 through 13 September 2013; Code 109501. 2. Torino: Politecnico di Torino (DIMEAS), 2013. p. 1013-1015. ISBN: 9781634393522.
BIBOULET, N.; ŠPERKA, P.; VENNER, CH.; LUBRECHT, T.; KŘUPKA, I. Obtaining the pressure spike and maximum shear stress from optical interferometry data. Tribology International, 2013, vol. 65, iss. 6, p. 1-7. ISSN: 0301-679X.
ALI, F.; KRUPKA, I.; HARTL, M. Enhancing the parameters of starved EHL point conjunctions by artificially induced replenishment. Tribology International, 2013, vol. 66, iss. 1, p. 134-142. ISSN: 0301-679X.
ALI, F.; KŘUPKA, I.; HARTL, M. An Approximate Approach to Predict the Degree of Starvation in Ball–Disk Machine Based on the Relative Friction. TRIBOLOGY TRANSACTIONS, 2013, vol. 56, iss. 4, p. 681-686. ISSN: 1040-2004.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Rapid Prediction of Roughness Effects in Sliding EHL Contacts. In Society of Tribologists & Lubrication Engineers Annual Meeting & Exhibition 2013 / Proceedings of a meeting held 5-9 May 2013, Detroit, Michigan, USA. Detroit: Society of Tribologists and Lubrication Engineers, 2013. p. 180-182. ISBN: 978-1-62993-289-7.
KOŠŤÁL, D.; ŠPERKA, P.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Influence of rolling elements distance on starvation. In Society of Tribologists & Lubrication Engineers Annual Meeting & Exhibition 2013 / Proceedings of a meeting held 5-9 May 2013, Detroit, Michigan, USA. Detroit: Curran Associates, Inc. ( Dec 2013 ), 2013. s. 296-298. ISBN: 978-1-62993-289-7.
STAHL, K.; MICHAELIS, K.; MAYER, J.; WEIGL, A.; LOHNER, T.; OMASTA, M.; HARTL, M.; KŘUPKA, I. Theoretical and Experimental Investigations on EHL Point Contacts with Different Entrainment Velocity Directions. TRIBOLOGY TRANSACTIONS, 2013, vol. 56, iss. 5, p. 728-738. ISSN: 1040-2004.
OMASTA, M.; KŘUPKA, I.; HARTL, M. Effect of Surface Velocity Directions on Elastohydrodynamic Film Shape. TRIBOLOGY TRANSACTIONS, 2013, vol. 56, iss. 2, p. 301-309. ISSN: 1040-2004.
OMASTA, M.; FRÝZA, J.; HARTL, M.; KŘUPKA, I. An experimental approach to the study of rail wheel/flange lubrication. In Society of Tribologists & Lubrication Engineers Annual Meeting & Exhibition 2013 / Proceedings of a meeting held 5-9 May 2013, Detroit, Michigan, USA. Society of Tribologists and Lubrication Engineers, 2013. p. 1-3. ISBN: 978-1-62993-289-7.
BAIR, S.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Quantitative elastohydrodynamic film thickness of mechanically degraded oil. Tribology International, 2013, vol. 65, iss. 8, p. 33-38. ISSN: 0301-679X.
VRBKA, M.; KŘUPKA, I.; HARTL, M.; GALLO, J. Study of lubricating mechanisms in artificial hip joints. In 5th World Tribology Congress, WTC 2013. 1. Torino, Italy: Politecnico di Torino (DIMEAS), 2013. p. 467-469. ISBN: 9781634393522.
NÁVRAT, T.; VRBKA, M.; LAŠTŮVKA, J.; KŘUPKA, I.; HARTL, M.; GALLO, J. Effect of contact condition on film thickness formation in artificial joints. In Mechatronics 2013. Springer International Publishing Switzerland: Springer International Publishing, 2013. p. 863-868. ISBN: 978-3-319-02293-2.
KŘUPKA, I. Surface Texture for Bodies in Non-Conformal Contacts. In Encyclopedia of Tribology. 1. New York: Springer US, 2013. p. 3479.ISBN: 978-0-387-92896-8.
Kapitola, resp. kapitoly v odborné knize
VRBKA, M.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M.; GALLO, J. MAPPING OF FILM THICKNESS IN BOVINE SERUM LUBRICATED CONTACTS. Engineering Mechanics, 2013, vol. 20, iss. 1, p. 27-41. ISSN: 1802-1484.
KŘUPKA, I. Measurement of Pressure Distribution. In Encyclopedia of Tribology. 1. New York: Springer US, 2013. p. 2196.ISBN: 978-0-387-92896-8.
STAHL, K.; MICHAELIS, K.; MAYER., J; WEIGL, A.; LOHNER, T.; OMASTA, M.; HARTL, M.; KŘUPKA, I. Theoretical and experimental investigations on EHL point contacts with different entrainment velocity directions. In Proceedings of World Tribology Congres 2013. 4. Turín: Politecnico di Torino (DIMEAS), 2013. p. 980-983. ISBN: 9781634393522.
KANETA, M.; KŘUPKA, I.; HARTL, M.; GUO, F.; WANG, J. Formation of micro-grooves under impact loading in elliptical contacts with surface ridges. Tribology International, 2013, vol. 65, iss. 9, p. 336-345. ISSN: 0301-679X.
OMASTA, M.; FRÝZA, J.; HARTL, M.; KŘUPKA, I. Study of Effects of Wheel Flange/Rail Gauge Contact Lubrication. In Proceedings of World Tribology Congres 2013. 4. Turín: Politecnico di Torino (DIMEAS), 2013. p. 3007-3009. ISBN: 9781634393522.
GALLO, J.; HARTL, M.; VRBKA, M.; NÁVRAT, T.; KŘUPKA, I. Co by měl vědět ortoped o biotribologii totální endoprotézy kyčelního kloubu. Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca, 2013, roč. 80, č. 6, s. 377-385. ISSN: 0001-5415.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Surface Roughness Effects in Thermal EHL Contacts. In Proceedings of the 5th World Tribology Congress. 2. Torino: Politecnico di Torino (DIMEAS), 2013. p. 1686-1688. ISBN: 9781634393522.
VRBKA, M.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M.; ŠPERKA, P.; GALLO, J. Study of film formation in bovine serum lubricated contacts under rolling/sliding conditions. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2013, vol. 227, iss. 5, p. 459-475. ISSN: 1350-6501.
SVOBODA, P.; KOŠŤÁL, D.; POPELKA, M.; KŘUPKA, I. The experimental study of transition between fully flooded and starved regime in EHL contact. Engineering Mechanics, 2013, vol. 20, iss. 1, p. 13-25. ISSN: 1802-1484.
2012
OMASTA, M.; HARTL, M.; KŘUPKA, I. EFFECT OF SURFACE VELOCITY DIRECTIONS ON EHD FILM SHAPE. In STLE 2012 Annual Meeting & Exhibition. Society of Tribologists and Lubrication Engineers, 2012. p. 1-3. ISBN: 978-0-7918-4508-0.
ALI, F.; KŘUPKA, I.; HARTL, M. Analytical and experimental investigation on friction of non-conformal point contacts under starved lubrication. MECCANICA, 2012, vol. 45, iss. 1, p. 1-9. ISSN: 0025-6455.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental study on analytical methods for roughness deformation description in EHL contacts. In PROCEEDINGS OF THE ASME/STLE INTERNATIONAL JOINT TRIBOLOGY CONFERENCE, IJTC 2012. Denver, CO: American Society of Mechanical Engineers, 2012. p. 123-125. ISBN: 978-0-7918-4508-0.
KŘUPKA, I.; HARTL, M.; ČUDEK, V. Application of Spectroscopic Reflectometry to Elastohydrodynamic Lubrication Films Study. Tribology letter, 2012, vol. 45, iss. 1, p. 195-205. ISSN: 1023-8883.
SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. EXPERIMENTAL STUDY OF LUBRICATION FILM FORMATION IN MULTIPLE CONTACTS DEVICE UNDER STARVED CONDITIONS. In Proceedings of the ASME/STLE 2012 International Joint Tribology Conference. Denver, CO; United States: American Society of Mechanical Engineers, Tribology Division, TRIB, 2012. p. 233-235. ISBN: 978-0-7918-4508-0.
KANETA, M.; KŘUPKA, I.; HARTL, M. Effects of Loading Process and Contact Shape on Point Impact Elastohydrodynamics. TRIBOLOGY TRANSACTIONS, 2012, vol. 55, iss. 6, p. 772-781. ISSN: 1040-2004.
VRBKA, M.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M.; GALLO, J. EFFECT OF PROTEINS ON FILM FORMATION IN BOVINE SERUM LUBRICATED CONTACTS UNDER ROLLING/SLIDING CONDITIONS. In ASME/STLE 2012 Joint Tribology Conference (IJTC2012). 1. Denver, Colorado, USA: ASME, 2012. p. 1-3. ISBN: 978-0-7918-4508-0.
KANETA, M.; KŘUPKA, I.; HARTL, M. Pressure Increase in Elliptical Impact Elastohydrodynamic Lubrication Contacts With Longitudinal Asperities. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 2012, vol. 135, iss. 1, p. 1-6. ISSN: 0742-4787.
ZIMMERMAN, M.; KŘUPKA, I.; HARTL, M.; HOUŠKA, P. LUBRICATION FILM THICKNESS BEHAVIOR UNDER TRANSIENT SPEED AND LOAD CONDITIONS. In PROCEEDINGS OF THE ASME/STLE INTERNATIONAL JOINT TRIBOLOGY CONFERENCE, IJTC 2012. 1. Denver, CO, USA: AMER SOC MECHANICAL ENGINEERS, THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA, 2012. p. 189-191. ISBN: 978-0-7918-4508-0.
BOSÁK, D.; LAŠTŮVKA, J.; VRBKA, M.; NÁVRAT, T.; HARTL, M.; KŘUPKA, I. Mapping of lubricating film thickness in human hip joint replacements. In 53rd International Conference of Machine Design Departments. 1. Brno: Brno University of Technology, 2012. p. 45-52. ISBN: 978-80-214-4533-8.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Prediction of Real Rough Surface Deformation in Pure Rolling EHL Contact: Comparison with Experiment. TRIBOLOGY TRANSACTIONS, 2012, vol. 55, iss. 5, p. 698-704. ISSN: 1040-2004.
KOŠŤÁL, D.; SVOBODA, P.; KŘUPKA, I. Lubrication film starvation on two element device. In 53rd International Conference of Machine Design Departments. Brno: Brno University of Technology, 2012. s. 137-140. ISBN: 978-80-214-4533-8.
KŘUPKA, I.; HARTL, M.; KANETA, M. Pressure increase in elliptical impact ehl contacts with surface asperities. In Proceedings of the ASME/STLE 2012 International Joint Tribology Conference. Denver, CO; United States: American Society of Mechanical Engineers, Tribology Division, TRIB, 2012. p. 101-102. ISBN: 9780791845080.
VRBKA, M.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M.; GALLO, J.; ADAM, T. Effect of Proteins on Film Formation in Bovine Serum Lubricated Contacts. In 15th Nordic Symposium on Tribology (NORDTRIB 2012). 1. Trondheim, Norway: Norwegian University of Science and Technology, 2012. p. 91 ISBN: 978-82-14-05270-1.
BOSÁK, D.; LAŠTŮVKA, J.; VRBKA, M.; NÁVRAT, T.; HARTL, M.; KŘUPKA, I. MAPPING OF LUBRICATING FILM THICKNESS IN HUMAN HIP JOINT REPLACEMENTS. MM Science Journal, 2012, vol. 2012, iss. 12, p. 378-381. ISSN: 1803-1269.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. The Behavior of Surface Roughness in EHL Contacts Under Small Slide to Roll Ratios. Tribology letter, 2012, vol. 47, iss. 3, p. 357-366. ISSN: 1023-8883.
OMASTA, M.; KŘUPKA, I.; HARTL, M. THE CONTRIBUTION OF A SLIDING VELOCITY TO EHL FILM THICKNESS DISTRIBUTION. In ASME/STLE 2012 International Joint Tribology Conference. 1. Denver, Colorado, USA: ASME/STLE, 2012. p. 1-3. ISBN: 978-0-7918-4508-0.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental study of real roughness attenuation in rolling-sliding concentrated contacts. Tribology International, 2012, vol. 46, iss. 1, p. 14-21. ISSN: 0301-679X.
2011
KŘUPKA, I.; HARTL, M.; ZIMMERMAN, M.; HOUŠKA, P.; JANG,S. Effect of surface texturing on elastohydrodynamically lubricated contact under transient speed conditions. Tribology International, 2011, vol. 44, iss. 10, p. 1144-1150. ISSN: 0301-679X.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental study of artificial features attenuation in rolling/sliding concentrated contacts. In ASME/STLE 2011 International Joint Tribology Conference. 1. Los Angeles, CA, USA: ASME/STLE, 2011. p. 135-137. ISBN: 978-0-7918-5474-7.
VRBKA, M.; KŘUPKA, I.; SVOBODA, P.; ŠPERKA, P.; NÁVRAT, T.; HARTL, M.; NOHAVA, J. Effect of shot peening on rolling contact fatigue and lubricant film thickness within mixed lubricated non-conformal rolling/sliding contacts. Tribology International, 2011, vol. 44, iss. 12, p. 1726-1735. ISSN: 0301-679X.
OMASTA, M.; KŘUPKA, I.; HARTL, M. Study of elastohydrodynamic film shape under different directions of velocity vectors. In ASME/STLE 2011 International Joint Tribology Conference. 1. Los Angeles, CA, USA: ASME/STLE, 2011. p. 1-3. ISBN: 978-0-7918-5474-7.
VRBKA, M.; ZIMMERMAN, M.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M. Mapping of film thickness in bovine serum lubricated contacts. In International Conference on BioTribology (ICoBT 2011). 1. Londýn: Imperial College, 2011. p. 1-2.
SVOBODA, P.; VRBKA, M.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Study of Lubrication Film Formation in Ball Bearings Under Starved Conditions. In ASME/STLE 2011 International Joint Tribology Conference. 1. Los Angeles, CA, USA: American Society of Mechanical Engineers, Tribology Division, TRIB, 2011. p. 183-185. ISBN: 978-0-7918-5474-7.
OMASTA, M.; KŘUPKA, I.; HARTL, M. Effect of surface velocity directions on elastohydrodynamic film shape. In ECOTRIB 2011. Wien: The Austrian Tribology Society, 2011. p. 531-532. ISBN: 978-3-901657-38-2.
ZIMMERMAN, M.; KŘUPKA, I.; HARTL, M.; HOUŠKA, P. EFFECT OF SURFACE TEXTURING ON EHD LUBRICATION FILMS UNDER TRANSIENT SPEED CONDITION. In PROCEEDINGS OF THE ASME/STLE INTERNATIONAL JOINT TRIBOLOGY CONFERENCE - 2011. 1. Los Angeles, CA, USA: AMER SOC MECHANICAL ENGINEERS, THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA, 2011. p. 187-189. ISBN: 978-0-7918-5474-7.
2010
VRBKA, M.; ŠAMÁNEK, O.; ŠPERKA, P.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M. Effect of surface texturing on rolling contact fatigue within mixed lubricated non-conformal rolling/sliding contacts. Tribology International, 2010, vol. 43, iss. 8, p. 1457-1465. ISSN: 0301-679X.
VRBKA, M.; KŘUPKA, I.; ŠAMÁNEK, O.; SVOBODA, P.; VAVERKA, M.; HARTL, M. Effect of surface texturing on lubrication film formation and rolling contact fatigue within mixed lubricated non-conformal contacts. MECCANICA, 2010, vol. 2010, iss. 06, p. 1-8. ISSN: 0025-6455.
VRBKA, M.; KŘUPKA, I.; HARTL, M.; SVOBODA, P. Effect of Surface Topography Modifications on Rolling Contact Fatigue of Mixed Lubricated Contacts. In Proceedings of a meeting held 16-20 May 2010, Las Vegas, Nevada, USA. Las Vegas, Nevada, USA: STLE, 2010. p. 1-3. ISBN: 9781617387272.
VAVERKA, M.; ZAPLETAL, L.; ŠPERKA, P.; VRBKA, M.; SVOBODA, P.; KŘUPKA, I. Vliv povrchových mikronerovností a defektů na rozložení kontaktního tlaku a tloušťky mazacího filmu za podmínek elastohydrodynamického mazání. In Failures of rolling bearings / Poruchy valivých ložísk. Bratislava: KONGRES Management, 2010. s. 55-58. ISBN: 978-80-89275-24-3.
KŘUPKA, I.; HARTL, M.; BAIR, S.; SVOBODA, P. ;KUMAR, P. Mechanical Degradation of the Liquid in an Operating EHL Contact. Tribology letter, 2010, vol. 40, iss. 3, p. 1-7. ISSN: 1023-8883.
ŠAMÁNEK, O.; ZIMMERMAN, M.; SVOBODA, P.; KŘUPKA, I.; VRBKA, M. Influence of Surface Texturing on Lubricant Film Formation and Surface Fatigue. Engineering Mechanics, 2010, vol. 17, iss. 1, p. 27-36. ISSN: 1802-1484.
SHEN, XJ.; CHEN, XY.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Effect of real longitudinal surface roughness on lubrication film formation within line elastohydrodynamic contact. Tribology International, 2010, vol. 44, iss. 3, p. 1-6. ISSN: 0301-679X.
KUMAR, P.; BAIR, S.; KŘUPKA, I.; HARTL, M. Newtonian quantitative elastohydrodynamic film thickness with linear piezoviscosity. Tribology International, 2010, vol. 43, iss. 11, p. 2159-2165. ISSN: 0301-679X.
2009
KŘUPKA, I.; HARTL, M.; SVOBODA, P. Effects of surface topography on lubrication film formation within elastohydrodynamic and mixed lubricated non-conformal contacts. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2009, vol. 223, iss. 6, p. 1-9. ISSN: 1350-6501.
KŘUPKA, I.; HARTL, M.; BAIR, S.; KUMAR, P.; KHONSARI, M.M. The Effect of Load (Pressure) for Quantitative EHL Film Thickness. Tribology letter, 2009, vol. 34, iss. X, p. 1-10. ISSN: 1023-8883.
ČUDEK, V.; KŘUPKA, I.; HARTL, M. Užití spektroskopické reflektometrie při studiu elastohydrodynamického mazání. Jemná mechanika a optika, 2009, roč. 54, č. 7-8, s. 229-230. ISSN: 0447-6441.
HARTL, M.; KŘUPKA, I.; SVOBODA, P. Effect of surface topography on mixed lubrication film under transient conditions. In PROCEEDINGS OF THE ASME/STLE INTERNATIONAL JOINT TRIBIOLOGY CONFERENCE - 2009. 1. Mempis, TN: AMER SOC MECHANICAL ENGINEERS, THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA, 2009. p. 481-482. ISBN: 978-0-7918-4895-1.
KŘUPKA, I.; HARTL, M.; VRBKA, M.; VAVERKA, M.; SVOBODA, P.; ŠAMÁNEK, O. The Effect of Surface Texturing on Lubricant Film Thickness and Contact Pressure within Non-Conformal Surfaces. In Ecotrib 2009 - 2nd European Conference on Tribology. 1. Pisa, Italy: Engineering Faculty, University of Pisa, 2009. p. 115-120. ISBN: 978-88-467-2426-7.
KŘUPKA, I.; HARTL, M. Effect of Surface Texturing on Very Thin Film EHD Lubricated Contacts. TRIBOLOGY TRANSACTIONS, 2009, vol. 52, iss. 1, p. 21-28. ISSN: 1040-2004.
BAIR, S.; FERNANDEZ, J.; KHONSARI, M.M.; KŘUPKA, I.; QURESHI, Q.; VERGNE, P.; WANG, Q.J. An argument for a change in elastohydrodynamic lubrication philosophy. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2009, vol. 223, iss. 4, p. 1-2. ISSN: 1350-6501.
KŘUPKA, I.; SVOBODA, P.; HARTL, M. Effect of surface topography on mixed lubrication film formation during start up under rolling/sliding conditions. Tribology International, 2009, vol. 43, iss. 4, p. 1-9. ISSN: 0301-679X.
ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental study of real roughness attenuation in concentrated contacts. Tribology International, 2009, vol. 42, iss. 12, p. 1-9. ISSN: 0301-679X.
KŘUPKA, I.; HARTL, M.; VRBKA, M.; VAVERKA, M.; POLIŠČUK, R. Effect of surface dents on contact pressure in elastohydrodynamic contacts. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2009, vol. 223, iss. 4, p. 683-693. ISSN: 1350-6501.
KŘUPKA, I.; HARTL, M.; SVOBODA, P. Effects of surface topography on lubrication film formation within mixed lubricated contacts during start up. In Proceedings of World Tribology Congress 2009, Sunday 6th to Friday 11th, September, 2009, Kyoto, Japan. Japan: Japanese Society of Tribologists, 2009, 2009. p. 543 ISBN: 9784990013998.
2008
LIU, Y.; WANG, G.J.; KŘUPKA, I.; HARTL, M.; BAIR, S. The Shear-Thinning Elastohydrodynamic Film Thickness of a Two-Component Mixture. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 2008, vol. 130, iss. 2, p. 021502-1 (021502-7 p.)ISSN: 0742-4787.
KŘUPKA, I.; HARTL, M.; KOUTNÝ, D. Behavior of real roughness features within mixed lubricated non-conformal contacts. Tribology International, 2008, vol. 41, iss. 12, p. 1153-1160. ISSN: 0301-679X.
KŘUPKA, I.; HARTL, M.; VRBKA, M. Effect of surface texturing on mixed lubricated non-conformal contacts. Tribology International, 2008, vol. 41, iss. 11, p. 1063-1073. ISSN: 0301-679X.
KŘUPKA, I.; HARTL, M.; POLIŠČUK, R. Behavior of thin viscous boundary films in lubricated contacts between micro-textured surfaces. Tribology International, 2008, vol. 42, iss. X, p. 1-7. ISSN: 0301-679X.
KOUTNÝ, D.; KŘUPKA, I.; HARTL, M. Behavior of lubrication films contaminated by water. In Advances in Automotive Engineering Volume I. 1. Brno: Tribun EU, 2008. p. 186.ISBN: 978-80-7399-496-9.
KŘUPKA, I.; HARTL, M.; SVOBODA, P. Effects of Roughness Features on Lubrication Film Formation within Mixed Lubricated Contacts. In 2nd International Conference on advanced Tribology 2008. 1. Singapore: Research Publishing Services, 2008. p. 482-483. ISBN: 978-981-08-2067-1.
KŘUPKA, I.; HARTL, M.; BAIR, S.; KUMAR, P.; KHONSARI, M.M. An Experimental Validation of the Recently Discovered Scale Effect in Generalized Newtonian EHL. Tribology letter, 2008, vol. 33, iss. X, p. 1-9. ISSN: 1023-8883.
VAVERKA, M.; VRBKA, M.; POLIŠČUK, R.; KŘUPKA, I.; HARTL, M. Numerical evaluation of pressure from experimentally measured film thickness in EHL point contact. Lubrication Science, 2008, vol. 20, iss. 1, p. 47-59. ISSN: 0954-0075.
2007
KŘUPKA, I.; HARTL, M. The effect of surface texturing on thin EHD lubrication films. Tribology International, 2007, vol. 40, iss. 7, p. 1100-1110. ISSN: 0301-679X.
KŘUPKA, I.; HARTL, M. The Effect of Surface Texturing on Thin EHD Lubrication Films. In Ecotrib 2007. 1. Ljubljana: Slovenian society for tribology, 2007. p. 733-745. ISBN: 978-961-90254-8-2.
KŘUPKA, I.; HARTL, M. The influence of Thin Boundary Films on Real Surface Roughness in Thin Film, Mixed EHD Contact. Tribology International, 2007, vol. 40, iss. 11, p. 1553-1560. ISSN: 0301-679X.
KŘUPKA, I.; HARTL, M. Effect of Surface Texturing on Concentrated Contacts. In Proceedings of the International Conferecne on Mechanical Engineering and Mechanics 2007. NJ USA: Science Press USA, 2007. p. 1035-1038. ISBN: 1-933100-21-4.
KŘUPKA, I.; HARTL, M. Effect of thin viscous boundary films on real surface roughness under thin film lubrication conditions. In Proceedings of the 2008 STLE Annual Meeting. USA: STLE, 2007. p. 1-3.
VRBKA, M.; VAVERKA, M.; POLIŠČUK, R.; KŘUPKA, I.; HARTL, M. Pressure Calculation from Experimentally Evaluated Lubricant Thickness within EHL Contacts. In Proceedings of the ASME/STLE International Joint Tribology Conference 2007. STLE/ASME. San Diego, California, USA: ASME/STLE, 2007. p. 1-3. ISBN: 978-0-7918-4810-4.
KOLMAN, M.; KŘUPKA, I. Experimentální zařízení pro studium mazacích filmů. In Konference diplomových prací 2007. 1. Ústav konstruování, fakulta strojního inženýrství, VUT v Brně: Ústav konstruování, 2007. s. 1-3. ISBN: 978-80-214-3406-6.
KŘUPKA, I.; HARTL, M.; POLIŠČUK, R. The Effect of Boundary Films on Dented Surfaces Operated under Thin EHD Lubrication. In Ecotrib 2007. 1. Ljubljana: Slovenian society for tribology, 2007. p. 745-754. ISBN: 978-961-90254-8-2.
KŘUPKA, I.; HARTL, M. Experimental Study of Microtextured Surfaces Operating Under Thin-Film EHD Lubrication Conditions. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 2007, vol. 129, iss. 3, p. 502-508. ISSN: 0742-4787.
KŘUPKA, I.; HARTL, M.; URBANEC, L.; ČERMÁK, J. Single dent within EHD contact - comparison between experimental and numerical results. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2007, vol. 221, iss. J6, p. 635-644. ISSN: 1350-6501.
HARTL, M.; KŘUPKA, I. Effect of boundary films on lubricated contact behaviour. In Sborník 10. mezinárodní konference Tribotechnika v teorii a praxi. Praha: Česká strojnická společnost, 2007. p. 123-127. ISBN: 978-80-02-01963-3.
KŘUPKA, I.; HARTL, M. Thin-Film Lubrication of Dented Surfaces. TRIBOLOGY TRANSACTIONS, 2007, vol. 50, iss. 4, p. 488-496. ISSN: 1040-2004.
KŘUPKA, I.; HARTL, M. Effect of surface texturing on thin film EHD lubricated contact. In Proceedings of the 2008 STLE Annual Meeting. USA: STLE, 2007. p. 1-3.
POLIŠČUK, R.; VAVERKA, M.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Optimized Mapping of Pressure in Lubricated Point Contacts Based on Measured Film Thickness. In Proceedings of the 2007 International Mechanical Engineering Congress & Exposition. Seattle: ASME, 2007. s. 1-6. ISBN: 0-7918-3812-9.
KŘUPKA, I.; HARTL, M. Effect of surface texturing on lubricated contact behaviour. In Sborník 10. mezinárodní konference Tribotechnika v teorii a praxi. Praha: Česká strojnická společnost, 2007. p. 61-65. ISBN: 978-80-02-01963-3.
2006
POLIŠČUK, R.; VAVERKA, M.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Pressure Distribution Within EHD Point Contacts Based on Measured Film Thickness. In Proceedings of 2006 ASME International Mechanical Engineering Congress and Exposition IMECE2006. Chicago, Illinois USA: Pinehurst Technologies, Inc., 2006. p. 1-7. ISBN: 0-7918-3790-4.
KŘUPKA, I.; HARTL, M. Experimental study of surface texturing effects on Thin Film EHd contacts. In Proceedings of ASIATRIB 2006. Kanazawa: Japanese society of Tribologists, 2006. p. 679-680. ISBN: 4-9900139-8-0.
KŘUPKA, I.; HARTL, M.; URBANEC, L.; ČERMÁK, J. Single dent behaviour within EHD lubricated contacts - comparison between experimental and numerical results. In Proceedings of ASIATRIB 2006. Tokyo: Japanese Society of Tribologists, 2006. p. 193-194. ISBN: 4-9900139-8-0.
VAVERKA, M.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Influence of Dents on Friction Surfaces on Thin Lubrication Films. In 15th International Colloquium Tribology - Automotive and Industrial Lubrication. Esslingen, Ostfildern: Technische Akademie Esslingen, Ostfildern, 2006. p. 1-5. ISBN: 3-924813-62-0.
KŘUPKA, I.; HARTL, M.; LIŠKA, M. Experimental study of the behaviour of real asperities within lubricated contacts. Lubrication Science, 2006, vol. 18, iss. 2, p. 129-139. ISSN: 0954-0075.
ŠVEHLÁK, M.; KŘUPKA, I.; HARTL, M. Influence of surface topography on lubricated contacts behaviour. In Engineering mechanics 2006 - book of extended abstracts. Svratka: Institute of Theoretical and Applied Mechanics, 2006. p. 372-373. ISBN: 80-86246-27-2.
VRBKA, M.; VAVERKA, M.; POLIŠČUK, R.; KŘUPKA, I.; HARTL, M. Vliv mazivostních přísad na tloušťku mazacího filmu v EHD kontaktu. In Mazání v moderním průmyslovém podniku. 1. Praha: Česká strojnická společnost, 2006. s. 90-95. ISBN: 80-02-01808-7.
LIU, Y.; WANG, Q.J.;WANG, W.; HU, Y.,; ZHU, D.; KŘUPKA, I.; HARTL, M. EHL simulation using the free-volume viscosity model. Tribology letter, 2006, vol. 23, iss. 1, p. 27-37. ISSN: 1023-8883.
KŘUPKA, I.; HARTL, M. Thin lubricating films behaviour at very high contact pressure. Tribology International, 2006, vol. 39, iss. 12, p. 1726-1731. ISSN: 0301-679X.
VRBKA, M.; VAVERKA, M.; POLIŠČUK, R.; KŘUPKA, I.; HARTL, M.; URBANEC, L. Evaluation of pressure from film thickness within EHL contact with dented surfaces. In AITC-AIT 2006 5th International Conference of Tribology. Parma, Itálie: 2006. p. 1-11. ISBN: 88-902333-0-3.
KŘUPKA, I.; HARTL, M. EHL film thickness behaviour under high pressure - comparison between numerical and experimental results. In Proceedings of the IUTAM Symposium on Elastohydrodynamics and Microelastohydrodynamics. Cardiff: Springer, 2006. p. 217-228. ISBN: 1-4020-4532-8.
2005
KŘUPKA, I., HARTL, M. Behaviour of Roughness Features Passing Through EHD Point Contact. In COST 532 Conference. Porto: 2005. p. 1-10. ISBN: 972-8953-01-1.
HARTL, M. Numerical Solution of EHL Point Contact with Single Real Dent and Comparison with Experimental Measurement. In Book of Synopses ITC. Tokyo: 2005. p. 343 ISBN: 4-9900139-7-2.
KŘUPKA, I. The influence of slide-to-roll ratio on lubricant film thickness distribution in the vicinity of real roughness features passing through EHD point contact. In 31st Leeds-Lyon Symposium on Tribology. 2005. p. 1-8. ISBN: 0-444-51687-5.
Molimard J., Querry M., Vergne P., Krupka I., Hartl M. Calculation of pressure distribution in EHD point contacts from experimentally determinated film thickness. Tribology International, 2005, vol. 38, iss. 4, p. 391-401. ISSN: 0301-679X.
KŘUPKA, I., HARTL, M., LIŠKA, M. Experimental Study of Real Roughness Features within EHD Point Contacts. In Proceedings of the 3rd World Tribology Congress. Washington, USA: ASME, 2005. p. 1-2.
KŘUPKA, I., HARTL, M., LIŠKA, M. Influence of Contact Pressure on Central and Minimum Film Thickness Within Ultrathin Film Lubricated Contacts. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 2005, vol. 127, iss. 4, p. 1-3. ISSN: 0742-4787.
2004
LIU, Y., WANG, Q. J., WANG, W., HU, Y., ZHU, D., KŘUPKA, I., HARTL, M. EHL simulation using the free-volume viscosity model. Tribology letter, 2004, vol. 23, iss. 1, p. 27-37. ISSN: 1023-8883.
HARTL, M., FUIS, V., LIŠKA, M. Experimental study of lubricant film thickness behavior in the vicinity of real asperities passing through lubricated contact. Tribology Transactions, 2004, vol. 47, iss. 3, p. 1-10. ISSN: 0569-8197.
KŘUPKA, I., HARTL, M., LIŠKA, M. Experimental Study of Real Asperities Behaviour within Lubricated Contacts. In Tribology and Lubrication Engineering. Esslingen: Technische Akademie Esslingen, 2004. p. 1-6. ISBN: 3-924813-54-X.
2003
KŘUPKA, I., HARTL, M., LIŠKA, M. Some insights into lubricant film thickness in mixed EHD point contact. In Tribology research and design for engineering systems. Tribology series 41. Amsterdam: Elsevier, 2003. p. 549.ISBN: 0-444-51243-8.
2002
HARTL, M., KŘUPKA, I., LIŠKA, M. Differential Colorimetry: A tool for the analysis of fluid film lubrication. Mécanique & Industries, 2002, vol. 3, iss. 6, p. 1-11. ISSN: 1296-2139.
HARTL, M., KŘUPKA, I., LIŠKA, M. In-situ Observation of Lubricant Film Thickness Distribution in Mixed EHD Point Contacts. In Proceedings of The Second Asia International Conference on Tribology. Jeju Island, Korea: KSTLE, 2002. p. 1-2.
KŘUPKA, I., HARTL, M., LIŠKA, M. The Experimental Study of the Influence of Ellipticity on EHD Minimum Film Thickness. In Lubricants, Materials, and Lubrication Engineering. Ostfildern: Technische Akademie Esslingen, 2002. p. 1-4. ISBN: 3-924813-48-5.
HARTL, M., KŘUPKA, I., LIŠKA, M. Experimental Study of Boundary Layers Formation in Concentrated Contacts. In Boundary and Mixed Lubrication: Science and Application. Amsterodam: Elsevier, 2002. p. 1-10. ISBN: 0-444-50969-0.
2001
KŘUPKA, I., HARTL, M., LIŠKA, M. Experimental Study of Central and Minimum Film Thickness in Elastohydrodynamic Elliptic Contacs. In Tribology Research: From Model Experiment to Industrial Problem. Amsterdam: Elsevier, 2001. p. 1-10. ISBN: 444-50581-4.
HARTL, M., LIŠKA, M. Thin film colorimetric interferometry. Tribology Transactions, 2001, vol. 44, iss. 2, p. 1-276. ISSN: 0569-8197.
2000
KŘUPKA, I., LIŠKA, M., POLIŠČUK, R., HARTL, M. An Experimental Study of Elastohydrodynamic Central and Minimum Film Thickness for Various Material Parameters. Lubrication Science, 2000, vol. 12, iss. 5, p. 1-13. ISSN: 0954-0075.
1900
HARTL, M., KŘUPKA, I. VYTVORENI 3-D OBRAZU ELASTOHYDRODYNAMICKEHO MAZACIHO FILMU NUMERICKYM ZPRACOVAN. 1900, roč. 39, č. 11/12, s. 304
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