Abstract

In this paper authors consider the infl uence of conditions for formation of nitride phases on the cavitation stability of the Cr-Mn-V-N austenitic steels. Infl uence of isothermal treatment on the mode of austenite hardening had been established by the electrochemical phase, X-ray structure and mechanical methods of analysis. The temperature of annealing at 700°C determined in this work is new to the subject. It creates the opportunity to form the greatest quantity of dispersion hardening nitrides. Such temperature provides optimum conditions for obtaining cavitation resistance for steel “17Х15Г19АФ”.

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