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3 锻态GH2909合金中Laves相的TEM像及选区电子衍射(SAED)花样

Fig.3 TEM image and selected area electron diffraction (SAED) patterns of Laves phase in as-received GH2909 alloy (a, b) bright field TEM image of blocky Laves phase and related SAED pattern (c, d) bright field TEM image of short rod-like Laves phase and related SAED pattern