EFFECT OF SURFACE MODIFICATION OF 5KHV2S STEEL ON THE MECHANISM AND INTENSITY OF CONTACT WEAR
Naizabekov A. Stepankin I. Pozdnyakov E. Lezhnev S. Kuis D. Panin E.
2024Faculty of Metallurgy
Metalurgija
2024#63Issue 2279 - 282 pp.
The paper presents the experimental study of the contact wear of 5KHV2S steel after surface modification. It is shown that without hardening of the surface layer, 5KHV2S steel is capable of satisfactory operation when a pulsating contact stress of 970 MPa is applied. The most qualitative type of surface modification is the hardening of the surface layer by nitrocementation carrieproposed technology of volumetric-surface hardening, including forgtreatment, quenching and lowtemperature tempering, provided the pct stress to 1 100 MPa, and the operation period during the first 13 000 loading cycles gives wear of the working surface no more than 0,1 mm.
nitrocementation , pulsing contact loads , steel 5KHV2S , surface layers , wear
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Rudny Industrial Institute, Rudny, Kazakhstan
Belorusneft, Gomel, Belarus
Pavel Sukhoi State Technical University of Gomel, Gomel, Belarus
Belarusian State Technological University, Minsk, Belarus
Karaganda Industrial University, Temirtau, Kazakhstan
Rudny Industrial Institute
Belorusneft
Pavel Sukhoi State Technical University of Gomel
Belarusian State Technological University
Karaganda Industrial University
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