异种金属焊接接头在热-力耦合作用下的断裂位置转移机理
李克俭1,2, 张宇1,2, 蔡志鹏1,2,3,4(
)
)
Fracture Location Shift of Dissimilar Metal Welds Under Coupled Thermal-Stress Effect
LI Kejian1,2, ZHANG Yu1,2, CAI Zhipeng1,2,3,4()
)
图4. 高温持久断裂试样断裂在高Cr马氏体耐热钢BM、HAZ，及断裂起始于焊缝与耐热钢界面，后转移至HAZ和BM中
Fig.4. Creep specimens fractured at high Cr martensitic steel BM (a) and HAZ (b), and crack initiated at the interface between WM and BM then deflected into HAZ and BM (c)
