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

图6 GH4068合金开坯前后的微观组织状态

Fig.6 Microstructures of GH4068 alloy after homogenization treatment (a) and cogging (b) (Insets show the magnification of select boxes)