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13 粗晶试样在700 ℃、780 MPa条件下蠕变断裂后晶界形貌的SEM像

Fig.13 SEM image of grain boundaries after creep rupture of the coarse grain sample at 700 oC and 780 MPa (Inset shows the enlarged image)