激光增材制造高温合金材料与工艺研究进展
孙晓峰, 宋巍, 梁静静, 李金国, 周亦胄

Research and Development in Materials and Processes of Superalloy Fabricated by Laser Additive Manufacturing
SUN Xiaofeng, SONG Wei, LIANG Jingjing, LI Jinguo, ZHOU Yizhou
图8 增材制造高温合金裂纹形成的具体位置[65,66]
(a) crack on the grain boundary[65] (b) crack at the interdendritic [66] (c) transgranular crack[65]
Fig.8 The specific location of crack of additive manufacturing superalloy (0.5 and 0.7 mm indicate different hatch spacings)