固态相变和软化效应对超高强钢焊接残余应力的影响

王重阳, 韩世伟, 谢峰, 胡龙, 邓德安

Influence of Solid-State Phase Transformation and Softening Effect on Welding Residual Stress of Ultra-High Strength Steel

WANG Chongyang, HAN Shiwei, XIE Feng, HU Long, DENG Dean

图7 软化模型示意图

Fig.7 Schematic of softening model (σs—yield strength without softening during heating stage, σf—yield strength with softening and the peak temperature is 720oC during cooling stage, σt—yield strength with softening and the peak temperature is Tt during cooling stage)