热等静压对第三代单晶高温合金DD33显微组织和持久性能的影响

何禹锋, 王莉, 王栋, 王绍钢, 卢玉章, 谷阿山, 申健, 张健

Effect of Hot Isostatic Pressing on Microstructure of a Third-Generation Single Crystal Superalloy DD33

HE Yufeng, WANG Li, WANG Dong, WANG Shaogang, LU Yuzhang, GU Ashan, SHEN Jian, ZHANG Jian

图7 准原位观察DD33铸态样品热等静压前后微孔的演化

Fig.7 Ex-situ XCT observation of the evolution of micro-pores in DD33 AC sample before and after HIP heat treatment (a, b, c, d) AC, (e, f, g, h) AH, (i, j, k, l) AHS3HT3