新型第三代粉末高温合金FGH100L的显微组织与力学性能

田甜,郝志博,贾崇林,葛昌纯

Microstructure and Properties of a New Third Generation Powder Metallurgy Superalloy FGH100L

Tian TIAN,Zhibo HAO,Chonglin JIA,Changchun GE

表3 不同工艺和固溶温度下FGH100L合金的高温拉伸性能

Table 3 High temperature (705 ℃) tensile properties of FGH100L alloy at different processes and solution temperatures

Processes Solution temperature / ℃ Rp0.2 / MPa Rm / MPa δ / % SF+HIP+HT 1130 1050 1310 11.5 SF+HIP+IF+HT 1110 1000 1250 8.0 1130 1140 1380 16.5 1150 1139 1360 10.0 1170 1130 1320 12.5 AA-LSHR[26,27] 1130 1137.7 1316.9 8.0