一种6Re/3Ru镍基单晶高温合金微观组织的稳定性和高温持久性能

陈瑞志, 刘丽荣, 郭圣东, 张迈, 卢广先, 李远, 赵云松, 张剑

Microstructural Stability and Stress Rupture Property of a 6Re/3Ru Containing Nickel-based Single Crystal Superalloy

CHEN Ruizhi, LIU Lirong, GUO Shengdong, ZHANG Mai, LU Guangxian, LI Yuan, ZHAO Yunsong, ZHANG Jian

表1 用SEM-EDS测量的1130℃长期时效不同时间后的TCP成分

Table 1 Compositions of TCP phase after long-term aging at 1130℃ for different time by SEM-EDS (mass fraction,%)

Time / h Re W Co Ta Hf Cr Mo Ru Ni 200 37.59 17.89 11.67 9.12 3.59 2.68 0.98 0.64 Bal. 500 37.87 18.16 11.71 9.04 3.68 2.63 1.08 0.76 Bal. 1000 39.25 19.66 11.75 8.33 4.63 2.62 0.67 0.13 Bal.