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13 GNPM01合金中孤立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.13 STEM-HAADF image of isolated SESF in GNPM01 alloy (a), local enlarged HAADF image in Fig.13a and contract intensity line scans (b), and ordered heavy elements segregate at stacking faults and the corresponding atomic-level EDS mapping (c)