GH2909低膨胀高温合金热处理中的组织演变行为

李钊, 江河, 王涛, 付书红, 张勇

Microstructure Evolution of GH2909 Low Expansion Superalloy During Heat Treatment

LI Zhao, JIANG He, WANG Tao, FU Shuhong, ZHANG Yong

图4 锻态GH2909合金中Laves相元素分布的EPMA结果

Fig.4 EPMA results of element distribution of Laves phase in wrought GH2909 alloy (SEM—secondary electron morphology, BSE—back-scaterred electron image)