Deformation behavior and softening mechanism in ferrite steel during warm deformation

• DOI: 10.1016/j.jmrt.2022.04.067
• Publication Date: 2022-04-18T06:32:07Z
• Authors: Leilei Li; Huibin Wu; Chaohai Guo; Yuhui Feng
• Keywords: Dynamic Recrystallization; Recrystallization (geology)

Ferrite rolling is generally used to produce deep-drawn steel sheets, which can replace cold achieve short-flow production. Realizing low-cost production of steel. However, the performance ferrite products not as good rolled products. Of dynamic recrystallization microstructure have a great effect on performance. In present study, was compressed at different deformation parameters (including temperatures and strain rates) in thermo-mechanical testing system simulate behavior during regions. The flow studied, processing maps were plotted. relationship between Zener-Hollomon parameter mechanisms studied this paper. evolution characterized by optical microstructure, electron backscatter diffraction, transmission microscopy. results show that both recovery happened process. main softening mechanism recovery. Discontinuous recrystallization, continuous geometric found Meanwhile, it corresponding ln values. At high value, discontinuous recrystallization. middle low addition