2012•Applied Mechanics and MaterialsOpen access

Study of Static Recrystallization Microstructure Evolution of 304 Stainless Steel

Xiao Zhao, Jian Sheng Liu, Hui Qin Chen, Xing Wang Duan, Wen Wu He

Abstract

The effect of various deformation degree and temperature on static recrystallization of 304 stainless steel during two-passes hot compression deformation with the strain rate of 0.1s-1 was investigated by use of Gleeble-1500D thermo-mechanical simulation. It is indicated that deformation degree is the most obvious factor to static recrystallization. Besides, the grain sizes after deformation were also measured by metallographic method. The results show that the grain sizes decreased dramatically with the conditions of deformation temperature (1050°C), holding time (30s) and total deformation degree (0.35). The result has provides the corresponding scientific basis for the quality forecast of 304 stainless steel during hot thermoplastic deformation.

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Key concepts: Materials science, Dynamic recrystallization, Recrystallization (geology), Microstructure, Metallurgy, Deformation (meteorology), Hot working, Strain rate