Publication result detail

Experimental study of boundary layers formation by thin film colorimetric interferometry

HARTL, M., LIŠKA, M.

Original Title

Experimental study of boundary layers formation by thin film colorimetric interferometry

English Title

Experimental study of boundary layers formation by thin film colorimetric interferometry

Type

Peer-reviewed article not indexed in WoS or Scopus

Original Abstract

Thin film colorimetric interferometry was applied to the preliminary study of boundary layers formation for a several liquids of known molecular structure that have been previously studied by the force balance method. This technique intended for the study of very thin lubrication films down to a few nanometers in a point contact between a steel ball and a transparent disk combines powerful film thickness mapping capabilities with high accuracy. Central and minimum film thickness as well as film shape in the dependence on rolling speed was studied for hexadecane, oc-tamethylcyclotetrasiloxane (OMCTS) and n-tetradecane. Results are compared with data obtained from surface force apparatus measurements. OMCTS and n-tetradecane were found to form boundary films that result in a considerable enhancement in film thickness at slow speeds.

English abstract

Thin film colorimetric interferometry was applied to the preliminary study of boundary layers formation for a several liquids of known molecular structure that have been previously studied by the force balance method. This technique intended for the study of very thin lubrication films down to a few nanometers in a point contact between a steel ball and a transparent disk combines powerful film thickness mapping capabilities with high accuracy. Central and minimum film thickness as well as film shape in the dependence on rolling speed was studied for hexadecane, oc-tamethylcyclotetrasiloxane (OMCTS) and n-tetradecane. Results are compared with data obtained from surface force apparatus measurements. OMCTS and n-tetradecane were found to form boundary films that result in a considerable enhancement in film thickness at slow speeds.

Key words in English

thin film colorimetric interferometry, boundary lubrication, film thickness

Authors

HARTL, M., LIŠKA, M.

Released

01.08.2001

ISBN

1006-9283

Periodical

Science in China, Series A, Matematics, Physics, Astronomy

Volume

44

Number

8

State

People's Republic of China

Pages from

412

Pages count

417

Full text in the Digital Library

http://hdl.handle.net/

BibTex

@article{BUT39924,
  author="Martin {Hartl} and Miroslav {Liška}",
  title="Experimental study of boundary layers formation by thin film colorimetric interferometry",
  journal="Science in China, Series A, Matematics, Physics, Astronomy",
  year="2001",
  volume="44",
  number="8",
  pages="417",
  issn="1006-9283"
}