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
表4 热等静压对DD33合金不同条件下持久性能的影响
Table 4 Effect of HIP on the stress rupture properties of the DD33 alloy under different conditions
Test conditionStateStress rupture lifetime, t/hElongation, δ/%
850℃/650 MPaHRS (SHT)76.418.3
HIP (AHS3HT3)95.327.6
1100℃/170 MPaHRS (SHT)38.827.0
HIP (AHS3HT3)51.933.1