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2 典型航空发动机涡轮盘用变形高温合金的特征参数[15]

Table 2 Characteristic parameters of cast & wrought superalloys for aero-engine turbine disk[15]

Alloy w(Al + Ti + Nb) w(W + Mo) w(W) / w(Mo) w(Al) / w(Ti) w(γ') at 760oC γ' solvus temperature % % % oC GH4065 6.5 8.0 1.00 0.57 36 1113 GH4720Li 7.5 4.2 0.40 0.50 45 1158 GH4068 7.9 3.9 0.43 0.39 48 1160 GH4151 9.9 7.0 0.56 1.32 54 1176