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1 TiC、GH4975及其混合粉末表面形貌的SEM像

Fig.1 SEM images showing the powder morphologies of TiC (a), GH4975 (b), and TiC mixed with GH4975 (c)