ReTa对抗热腐蚀单晶高温合金900 ℃长期时效组织稳定性的影响
黄太文1,卢晶1,许瑶1,王栋2,张健2,张家晨1,张军1,刘林1()
Effects of Rhenium and Tantalum on Microstructural Stability of Hot-Corrosion Resistant Single Crystal Superalloys Aged at 900 ℃
HUANG Taiwen1,LU Jing1,XU Yao1,WANG Dong2,ZHANG Jian2,ZHANG Jiachen1,ZHANG Jun1,LIU Lin1()

图5. 5种合金在900 ℃热暴露不同时间时γ′相的尺寸和粗化速率

Fig.5. Size of γ′ precipitates at different thermal exposure time (a) and coarsening rate of γ′ phase (b) for five alloys during LTTE at 900 ℃ (r—size of γ′)