Use of Glow Discharge Nitriding for Raising the Surface Hardness of Bearing Parts from Precision Nickel Alloys

Precision nickel alloy 40KhNYu-VI used for fabricating nonmagnetic precision bearings is studied after nitriding in glow discharge in an experimental facility at a high temperature (730 and 900°C) and in commercial equipment at 540°C. The effect of the temperature and duration of nitriding and of th...

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Bibliographic Details
Published in:Metal science and heat treatment 2019-07, Vol.61 (3-4), p.173-177
Main Authors: Semenov, M. Yu, Kai, Jian Ding, Smirnov, A. E., Shevchenko, S. Yu, Aleksandrov, V. A.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Engineering Thermodynamics
Glow discharges
Heat and Mass Transfer
Heat treatment
High temperature
Materials Science
Mechanical properties
Metallic Materials
Nickel
Nickel alloys
Nickel base alloys
Nitriding
Surface Engineering
Surface hardness
Surface layers
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Summary:Precision nickel alloy 40KhNYu-VI used for fabricating nonmagnetic precision bearings is studied after nitriding in glow discharge in an experimental facility at a high temperature (730 and 900°C) and in commercial equipment at 540°C. The effect of the temperature and duration of nitriding and of the mode of heat treatment on the structure and hardness of the surface layer obtained is determined.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-019-00396-0