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4 GH4065合金开坯工艺不当造成的不均匀晶粒组织[15]
(a) low-magnification (b) residual as-cast structure
Fig.4 Microstructures of GH4065 alloy prepared by improper cogging process[15]