Some problems of recrystallization of austenite during high-temperature thermomechanical treatment of chromium steels
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The rate of recrystallization of austenite during HTMT of 8% Cr steels is relatively slow, and the high level of HTMT-induced strength is retained even if some recrystallization is allowed to take place.
The strength of steel subjected to HTMT does not exceed the strength of conventionally treated (quench-hardened) steel if accumulative recrystallization is allowed to develop. A “reversible hardening” effect is also observed if the partial recrystallization of austenite during direct HTMT goes beyond a certain point.
KeywordsChromium Austenite Recrystallization Thermomechanical Treatment Chromium Steel
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