核级镍基合金焊接材料失塑裂纹研究现状

余春, 徐济进, 魏啸, 陆皓

Research Status of Ductility-Dip Crack Occurring in Nuclear Nickel-Based Welding Materials

YU Chun, XU Jijin, WEI Xiao, LU Hao

图7 不同形貌晶界滑移诱发DDC开裂机制[23]

Fig.7 Schematic illustrations of grain boundary sliding on the DDC initiation[23] (a) straight grain boundaries (b) effect of intergranular precipitates (c) effect of intergranular precipitates and tortuous grain boundaries