核级镍基合金焊接材料失塑裂纹研究现状
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Research Status of Ductility-Dip Crack Occurring in Nuclear Nickel-Based Welding Materials
YU Chun, XU Jijin, WEI Xiao, LU Hao
图2 Inconel 52M焊缝金属的OM像及其大角度晶界上析出相的SEM像[42]
Fig.2 OM image of Inconel 52M weld metal (a) and SEM image of precipitates at high-angle grain boundary (b)[42]