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4 连接温度1050℃、连接压力15 MPa，不同扩散连接时间条件下扩散连接试样接头微观组织的低倍和高倍OM像及SEM像 (a1-a3) 5 min (b1-b3) 15 min (c1-c3) 30 min (d1-d3) 60 min (e1-e3) 120 min

Fig.4 Low (a1-e1) and high (a2-e2) magnified OM images and SEM images (a3-e3) showing the microstructures of the diffusion-bonding joints with the bonding temperature of 1050oC and bonding stress of 15 MPa, for the different bonding time