高W高Ta型粉末高温合金的蠕变性能及溶质原子偏聚

白佳铭, 刘建涛, 贾建, 张义文

Creep Properties and Solute Atomic Segregation of High-W and High-Ta Type Powder Metallurgy Superalloy

BAI Jiaming, LIU Jiantao, JIA Jian, ZHANG Yiwen

图12 FGH4098合金中孤立超点阵外禀层错(SESF)的STEM-HAADF像、相应位置的衬度强度分布及原子级别EDS元素面分布图

Fig.12 STEM-HAADF image of isolated SESF in FGH4098 alloy (a), contract intensity line scans (b), and disordered elements segregate at stacking faults and the corresponding atomic-level EDS mapping (c)