基于SH-CCT图的Q345钢焊接接头组织与硬度预测方法研究

胡龙, 王义峰, 李索, 张超华, 邓德安

Study on Computational Prediction About Microstructure and Hardness of Q345 Steel Welded Joint Based on SH-CCT Diagram

HU Long, WANG Yifeng, LI Suo, ZHANG Chaohua, DENG Dean

图8 焊接接头各区域微观组织的OM像 (a) local welded joint (b) fusion zone (FZ) (c) coarse grained heat affected zone (CGHAZ) (d) fine grained heat affected zone (FGHAZ) (e) inter-critically heat affected zone (ICHAZ) (f) base metal (BM)

Fig.8 OM images of microstructures of welded joint (M—martensite)