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6 标准热处理态(T4) GH2909合金显微组织的SEM像

Fig.6 SEM images of microstructures of GH2909 alloy after standard heat treatment (T4) (a) and partial magnification (b)