变形高温合金盘材及其制备技术研究进展

张北江,黄烁,张文云,田强,陈石富

Recent Development of Nickel-Based Disc Alloys andCorresponding Cast-Wrought Processing Techniques

Beijiang ZHANG,Shuo HUANG,Wenyun ZHANG,Qiang TIAN,Shifu CHEN

表1 高合金化变形高温合金盘材的特征参数对比[3,4,5,8,14,23,24,25,26,27,28]

Table 1 Characteristic parameters of highly alloyed cast-wrought disc alloys[3,4,5,8,14,23,24,25,26,27,28]

Alloy Mass fraction of Mass fraction of γ′ γ-γ′ mismatch at 760 ℃ γ′ solvus temperature Al+Ti+Nb / % at 760 ℃ / % % ℃ GH4586 5.0 29 -0.355 1072 GH4742 7.8 37 +0.273 1095 GH4065 6.6 36 -0.016 1113 GH4079 8.5 46 +0.131 1132 GH4720 7.5 43 +0.088 1158 GH4156 9.0 53 +0.003 1165 GH4151 9.9 54 -0.128 1171 GH4175 11.0 55 -0.080 1176 GH4975 9.2 64 -0.079 1210