Flow behavior of Fe-3%Si steel at high temperatures and strain rates

摘要：

Hot deformation behavior of Fe-3%Si steel within temperature range of 1073~1473K and strain rate range of 0.01~5s -1 was investigated by isothermal compression test using thermo-simulation method. Over the applied deformation conditions, steady state flow behavior was well described by the power law relationship with dislocation climb as the rate-controlling mechanism, and the high apparent activation energy can be attributed to the high yield stress. A modified Bergstr(o) model was proposed by introducing yield stress, and consequently the whole stress-strain curves can be accurately predicted.

作者: F.H.An Y.H.Sha F.Zhang L.Zuo

作者单位: Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang 110004, China

会议类型: 国际会议

会议名称: The 6th International Conference on Physical and Numerical Simulation of Materials Processing(第六届材料与热加工物理模拟及数值模拟国际学术会议 ICPNS 2010)

会议地点: 桂林

会议语种:英文

页码: 1-8

在线出版日期: 2010-11-16（万方平台首次上网日期，不代表论文的发表时间）