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6 TiC-GH4975打印态试样经热等静压处理前后显微组织的SEM像及EBSD像

Fig.6 SEM images of as-build TiC-GH4975 samples before (a) and after (b) HIP, and EBSD image after HIP (c) Color online