Special Features of the Carbonitriding of Parts of Instrument Bearings Designed for Extreme Service Conditions


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Abstract

A study is made of complexly alloyed steel 8Kh4V9F2-Sh, which is used for fabricating parts of engineering bearings operating under extreme conditions. Vacuum processes are shown to be preferable to gas carburizing for hardening the races of precision bearings. Vacuum carburizing is shown to be an effective technique for forming quality diffusion layers.

About the authors

A. E. Smirnov

Moscow State Technical University im. N. E. Baumana

Author for correspondence.
Email: smirnoff@bmstu.ru
Russian Federation, Moscow

S. Yu. Shevchenko

Moscow State Technical University im. N. E. Baumana

Email: smirnoff@bmstu.ru
Russian Federation, Moscow

V. S. Shchipunov

”OK-LOZA” JSC

Email: smirnoff@bmstu.ru
Russian Federation, Sergiev Posad

V. E. Kunyaev

”OK-LOZA” JSC

Email: smirnoff@bmstu.ru
Russian Federation, Sergiev Posad

G. S. Seval’nev

Moscow State Technical University im. N. E. Baumana; I. P. Bardin Central Scientific Research Institute of Ferrous Metallurgy

Email: smirnoff@bmstu.ru
Russian Federation, Moscow; Moscow

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