增材制造难变形高温合金GH4975的裂纹形成及其愈合机制

叶献文, 姚志浩, 王洪瑛, 王子成, 张砻耀, 董建新

Crack Formation and Healing Mechanisms in Additively Manufactured Hard-Deformed Ni-Based Superalloy GH4975

YE Xianwen, YAO Zhihao, WANG Hongying, WANG Zicheng, ZHANG Longyao, DONG Jianxin

图5 TiC-GH4975打印态试样热等静压处理前后裂纹形貌的SEM像和裂纹宽度统计结果

Fig.5 SEM images showing the crack morphologies (a, b) and statistics of crack width (c, d) of as-build TiC-GH4975 sample before (a, c) and after (b, d) hot isostatic pressing (HIP)