高Cr铁素体耐热钢与奥氏体耐热钢的异种材料扩散连接接头组织演变及力学性能

化雨, 陈建国, 余黎明, 司永宏, 刘晨曦, 李会军, 刘永长

Microstructure Evolution and Mechanical Properties of Dissimilar Material Diffusion-Bonded Joint for High Cr Ferrite Heat-Resistant Steel and Austenitic Heat-Resistant Steel

HUA Yu, CHEN Jianguo, YU Liming, SI Yonghong, LIU Chenxi, LI Huijun, LIU Yongchang

图8 焊后热处理之后扩散连接试样扩散连接区的EBSD分析 (a) EBSD image of joint area (b) grain diagram of diffusion-bonding zone in rectangle area in Fig.8a (c) phase diagram of diffusion-bonding zone in rectangle area in Fig.8a (d) dislocation density diagram of diffusion-bonding zone of TP347H austenitic heat-resistant steel in rectangle area in Fig.8a (e) dislocation density diagram of diffusion-bonding zone of high Cr ferrite heat-resistant steel in rectangle area in Fig.8a

Fig.8 EBSD analyses of the diffusion-bonding joint area after PWHT