一种 γ'/γ'' 相强化镍基高温合金的蠕变行为

周生玉, 胡明昊, 李冲, 丁海民, 郭乾应, 刘永长

Creep Behavior of a Ni-Based Superalloy with Strengthening of γ' and γ'' Phases

ZHOU Shengyu, HU Minghao, LI Chong, DING Haimin, GUO Qianying, LIU Yongchang

表1 不同热处理试样的高温蠕变性能

Table 1 High-temperature creep properties for different specimens

Specimen Creep life / h Creep strain / % Steady creep rate / h-1 HDA-7 257.6 0.2 1.1 × 10-5 HDA-8 1898.6 0.7 4.9 × 10-7 HDA-9 1793.5 1.5 2.2 × 10-6