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3 GH4720Li合金铸锭中枝晶间析出相形貌及元素分布图[27]
Fig.3 Backscattered electron image of the interdendritic area (a) and elements distributions in the dendrite (b-h) of the solidified GH4720Li alloy[27]