Abstract

1. Hot deformation of austenite in steels alloyed with vanadium and titanium, with subsequent recrys-tallization in the process of continuous cooling, stimulates precipitation of excess carbide phases containing vanadium and titanium. 2. Precipitation of dispersed phases that are resistant to coalescence in the process of recrystallization of hot worked austenite slows down secondary recrystallization. The grain size of the steel after cooling decreases monotonically with increasing degrees of hot deformation, while for unalloyed steel or steels alloyed with weak carbide-forming elements the variation of the grain size with the degree of hot deformation takes the form of a curve with a low point.

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