γ' 相强化钴基高温合金成分设计与蠕变机理研究进展

冯强, 路松, 李文道, 张晓瑞, 李龙飞, 邹敏, 庄晓黎

Recent Progress in Alloy Design and Creep Mechanism of γ'-Strengthened Co-Based Superalloys

FENG Qiang, LU Song, LI Wendao, ZHANG Xiaorui, LI Longfei, ZOU Min, ZHUANG Xiaoli

表2 部分钴基高温合金的名义成分和γ'相溶解温度(Tγ'-solvus) [1,6,7,10,11,13,21,25,32~42]

Table 2 Nominal compositions and γ' solvus temperature (Tγ'-solvus) of some γ'-strengthened Co-based superalloys[1,6,7,10,11,13,21,25,32-42]

Alloy (atomic fraction / %) Tγ'-solvus / oC Ref. Co-9Al-9.8W 990 [33] Co-8.8Al-9.8W-2Ta 1079 [1,33] Co-7Al-8W-4Ti-1Ta 1131 [32] Co-7Al-7W-4Ti-2Ta 1157 [13] Co-7Al-6W-4Ti-2Ta-1Mo 1143 [7] Co-7Al-6W-4Ti-2Ta-1Nb 1150 [7] Co-10Ni-5Al-5W-8Ti 1137 [34] Co-20Ni-9Al-6W-4Ta-2Mo 1178 [21] Co-30Ni-7Al-7W-4Ti-1Ta 1167 [25] Co-30Ni-11Al-4W-4Ti-1Ta 1202 [35] Co-30Ni-10.5Al-4Ti-7W-2.5Ta 1269 [36] Co-30Ni-11Al-4W-4Ti-1Ta-5Cr 1173 [37] Co-30Ni-10Al-5Mo-2Ta-2Ti-10Cr 1078 [38] Co-35.4Ni-9.9Al-4.9Mo-2.8Ta-3.5Ti-5.9Cr 1156 [39] Co-32Ni-9Al-2W-1Ti-1Ta-14Cr-2.5Mo-0.5Nb 1050 [40] Co-32Ni-11Al-2W-2Ti-3Ta-5Cr-0.5Mo-0.5Nb 1201 [41] Ni-based wrought superalloy 928-1159 [6,10,11] Ni-based single crystal superalloy 1221-1330 [6,10,11,42]