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

表1 实验用合金的名义成分

Table 1 Nominal composition of the experimental alloy (mass fraction, %)

Alloy Re W Mo Nb Co Cr Al Ti Hf B Y C Ni DD26G 2 11.2 0.95 1.3 9 4.5 5.8 1 0.07 0.007 0.016 0.12 Bal.