Detail publikačního výsledku

Enhancement of Magnetic Properties of 41CrMo4 Steel by Means of Diffusion Coatings

JECH, D.; ČELKO, L.; HUZLÍK, R.; BULÍN, T.; KLAKURKOVÁ, L.; ŠVEJCAR, J.; KAISER, J.

Originální název

Enhancement of Magnetic Properties of 41CrMo4 Steel by Means of Diffusion Coatings

Anglický název

Enhancement of Magnetic Properties of 41CrMo4 Steel by Means of Diffusion Coatings

Druh

Abstrakt

Originální abstrakt

The knowledge of magnetic and transport properties of construction steels for magnetic circuits plays an important role. Three different techniques: (i) flame spray, (ii) twin wire arc spray and (iii) powder mixture with halide activator were used to produce Si, CuSn6 and Si coatings, respectively, on the 41CrMo4 steel ring substrates. Immediately after the thermal spraying or inserting the steels into the powder mixture was used isothermal heat treatment at the temperatures of 800 °C / 6 hrs, 1000 °C / 4 hrs and 1250 °C / 2 hrs to produce the diffusion coatings. Several coating systems consisting of different phases and thicknesses were manufactured. Opto-digital microscope, scanning electron microscope and digital image analysis, second equipped with energy dispersive microanalyzer, were utilized to characterize the microstructure, chemical composition and thicknesses of the coatings. The influence of coatings on magnetic properties in the frequency range of 50 – 2000 Hz was also measured.

Anglický abstrakt

The knowledge of magnetic and transport properties of construction steels for magnetic circuits plays an important role. Three different techniques: (i) flame spray, (ii) twin wire arc spray and (iii) powder mixture with halide activator were used to produce Si, CuSn6 and Si coatings, respectively, on the 41CrMo4 steel ring substrates. Immediately after the thermal spraying or inserting the steels into the powder mixture was used isothermal heat treatment at the temperatures of 800 °C / 6 hrs, 1000 °C / 4 hrs and 1250 °C / 2 hrs to produce the diffusion coatings. Several coating systems consisting of different phases and thicknesses were manufactured. Opto-digital microscope, scanning electron microscope and digital image analysis, second equipped with energy dispersive microanalyzer, were utilized to characterize the microstructure, chemical composition and thicknesses of the coatings. The influence of coatings on magnetic properties in the frequency range of 50 – 2000 Hz was also measured.

Klíčová slova

thermal spraying; powder mixtures processing; isothermal exposure; microscopy; magnetic properties

Klíčová slova v angličtině

thermal spraying; powder mixtures processing; isothermal exposure; microscopy; magnetic properties

Autoři

JECH, D.; ČELKO, L.; HUZLÍK, R.; BULÍN, T.; KLAKURKOVÁ, L.; ŠVEJCAR, J.; KAISER, J.

Rok RIV

2017

Vydáno

19.04.2016

Nakladatel

Faculty of Metallurgy Technical University of Košice

Místo

Košice

ISBN

978-80-553-2547-7

Kniha

Metallography ´16

Strany od

134

Strany do

134

Strany počet

1

BibTex

@misc{BUT127037,
  author="David {Jech} and Ladislav {Čelko} and Rostislav {Huzlík} and Tomáš {Bulín} and Lenka {Klakurková} and Jiří {Švejcar} and Jozef {Kaiser}",
  title="Enhancement of Magnetic Properties of 41CrMo4 Steel by Means of Diffusion Coatings",
  booktitle="Metallography ´16",
  year="2016",
  edition="1",
  pages="134--134",
  publisher="Faculty of Metallurgy Technical University of Košice",
  address="Košice",
  isbn="978-80-553-2547-7",
  note="Abstract"
}