一种低Re二代单晶高温合金长期时效后的性能

付芸迪, 申健, 黄亚奇, 卢玉章, 王栋

Microstructure-property Evolution in a Low-rhenium Second-generation Single Crystal Superalloy Following Long-term Aging

FU Yundi, SHEN Jian, Huang Yaqi, LU Yuzhang, WANG Dong

图6 DD26G在900 ℃长期时效不同时间后枝晶干处γ′相的形貌

Fig.6 Morphology of the γ′ phase in the dendritic core of DD26G after long-term aging at 900 oC for 0 h (a), 300 h (b), 500 h (c), 1000 h (d), 2000 h (e), and 3000 h (f)