国内航空发动机涡轮盘用铸锻难变形高温合金热加工研究现状与展望

张瑞, 刘鹏, 崔传勇, 曲敬龙, 张北江, 杜金辉, 周亦胄, 孙晓峰

Present Research Situation and Prospect of Hot Working of Cast & Wrought Superalloys for Aero-Engine Turbine Disk in China

ZHANG Rui, LIU Peng, CUI Chuanyong, QU Jinglong, ZHANG Beijiang, DU Jinhui, ZHOU Yizhou, SUN Xiaofeng

表3 典型航空发动机涡轮盘用变形高温合金的持久性能[5,19]

Table 3 High temperature endurance performances of cast & wrought superalloys for aero-engine turbine disk[5,19]

Alloy Temperature σ τ A oC MPa h % GH4065[5] 650 970 297 4 750 590 51 9 GH4720Li[19] 680 830 209 11 730 530 166 32 GH4068 680 830 500 6 750 530 208 15 GH4151 650 1010 172 5 750 620 132 8