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1 标准热处理态GNPM01和FGH4098合金的晶界及γ′相形貌

Fig.1 Grain boundaries and γ′ phase morphologies (insets) of GNPM01 (a) and FGH4098 (b) alloys after standard heat treatment (SHT) (Black lines indicate the high-angle grain boundaries, red lines indicate the annealing twin boundaries)