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Influence of induction chemical-thermal treatment in a gaseous medium on the formation of a wear-resistant gradient nitride layer on tool steel

Palkanov Pavel Alekseevich - Yuri Gagarin State Technical University of Saratov, Russia
Fomin Aleksander Aleksandrovich - Yuri Gagarin State Technical University of Saratov, Russia

Abstract

This paper presents the results of a study of the principles of formation of a gradient wear-resistant nitride (oxynd-nitride) layer (with a hardness of more than 1700 HV) on the working surface of a Metalworking tool caused by phase transformations as a result of induction high-temperature chemical-thermal treatment (CTO). This hardening technology is produced in a chamber with a reactive (nitrogen-containing) medium. Also in the work, the regularities of the formation of wear-resistant coating from the technological factors of induction CTO (temperature; pressure; concentration of the reactive medium; range of optimal frequency modes regenerated by the induction unit; time, etc.). recommendations are made for using this technology of joint hardening with other existing technologies to obtain a combined wear-resistant layer (coating).

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Pavel
Palkanov
Russia

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