Affiliation:
1. National University of Science and Technology "MISIS"
2. Nosov Magnitogorsk State Technical University
Abstract
In this article the experimental data of the hardness and wear resistance of chrome-manganese steels 35H3G2F and 35HGF, which are cemented in a highly active paste-like carburizer and hardened at various temperatures, are presented. Cementation and high temperature carbonitriding of these steels leads to a high content of the carbide phase in the diffuse layers and an increase of hardness and wear resistance. The effect of carbides on the hardenability of diffuse layers are investigated. The hardening temperature ranges of these steels and the effect of alloying elements on hardness are established. The mechanism of the phase formation of the highest hardness structures is described. The carbides influence on the wear mechanism of cemented in various modes steels is studied.
Publisher
Trans Tech Publications, Ltd.
Subject
Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics
Reference24 articles.
1. V.M. Pereverzev, Diffusion carbidization of steel. Voronezh: VSU publishing house, (1977).
2. V.I. Kolmykov, V.V. Tomkovich, V.M. Pereverzev, Accelerated wear tests of cemented steels in quartz abrasive, Materials and strengthening technologies - 94: materials of scientific and technical. conf. Kursk, (1994) 16–17.
3. M.M. Khrushchov, M.A. Babichev, Abrasive wear. Moscow, Nauka, (1970).
4. V.N. Gadalov, D.V. Kolmykov, N.A. Korenevskii, E.V. Chernysheva, T.N. Ziborova, Low-temperature nitrocementation to improve the life of resurfaced tractor crankshafts, Russian Engineering Research. 30(11) (2010) 1090-1091.
5. S.B. Grigoriev, L.A. Efimenko, V.G. Salnikov, V.N. Gadalov, Evaluation of hard - facing and process of its application on drill pipe tool joints, Chemical and Petroleum Engineering, 48(9-10) (2013) 642-645.