镍基单晶高温合金的研发进展
张健,王莉,王栋,谢光,卢玉章,申健,楼琅洪

Recent Progress in Research and Development of Nickel-Based Single Crystal Superalloys
Jian ZHANG,Li WANG,Dong WANG,Guang XIE,Yuzhang LU,Jian SHEN,Langhong LOU
表3 微量元素对高温合金双晶持久寿命的影响
Table 3 Effect of minor elements on creep rupture life of bicrystals
AlloyTest conditionCreep life / hTest conditionCreep life / h
RR2072

950 ℃, 210 MPa

16

950 ℃, 290 MPa

14
RR2072-CB165~7772~150
RR2072-CB2175~190130~210
PWA1483

760 ℃, 414 MPa

38~97

982 ℃, 207 MPa

3.6
PWA1483-BHf>407830.4