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1 典型航空发动机涡轮盘用变形高温合金的名义成分[11~14] (mass fraction / %)

Table 1 Normal compositions of cast & wrought superalloys for aero-engine turbine disk[11-14]

Alloy Co Cr Ti Al Nb Mo W C Ni GH4065[11] 13.0 16.0 3.7 2.1 0.7 4.0 4.0 0.020 Bal. GH4720Li[12] 15.0 15.0 5.0 2.5 - 3.0 1.2 0.015 Bal. GH4068[13] 25.0 14.0 5.7 2.2 - 2.8 1.2 0.015 Bal. GH4151[14] 15.0 9.0 2.8 3.7 3.4 4.5 2.5 0.080 Bal.