Abstract

1. The use of carbonitriding with induction heating in the vapors of liquid media makes it possible to eliminate local overheating of the surface being treated, to improve the reproducibility of the process, to solve the problem of rational delivery and removal of the reaction products from the surface being impregnated, to accurately regulate the parameters of the case, and to increase economy in treatment and production culture. 2. The wear resistance of parts of 40, 40Kh, and 40KhN steels carbonitrided using the proposed method is 1.5–2.5 times greater than the wear resistance of high-frequency induction hardened parts. According to the results of road tests the wear of rear spring pins of 45 steel decreases by 3.5 times while the wear of the contacting bushings of KCh-35-10 iron drops by 1.5–2 times.

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