先进镍基粉末高温合金FGH4108在不同应力条件下的蠕变行为

李新宇, 白佳铭, 张浩鹏, 李晓鲲, 贾建, 刘常升, 刘建涛, 张义文

Creep Behavior of Advanced Powder Metallurgy Nickel-Based Superalloys FGH4108 Under Different Stress Conditions

LI Xinyu, BAI Jiaming, ZHANG Haopeng, LI Xiaokun, JIA Jian, LIU Changsheng, LIU Jiantao, ZHANG Yiwen

图2 镍基粉末高温合金FGH4108的初始显微组织

Fig.2 Initial microstructures of the nickel-based powder metallurgy superalloy FGH4108 (a, b) low (a) and high (b) magnification backscattered secondary electron images of the coarse grain sample (c, d) low (c) and high (d) magnification backscattered secondary electron images of the fine grain sample (e) EDS analysis of the marked position in Fig.2c (f) TEM image of the η phase and its selected area electron diffraction (SAED) pattern (inset)