高温时效对GH4169镍基高温合金性能的影响

郑建军, 张涛, 陈浩, 吕磊

Effect of High-temperature Aging on Microstructure and Mechanical Properties of GH4169 Nickel-based Superalloy

ZHENG Jianjun, ZHANG Tao, CHEN Hao, LV Lei

表1 在不同条件热处理后试样中δ相的含量和尺寸

Table 1 δ-phase content and dimensions of specimens under different heat treatment conditions

Sample δ-phase content / % Averageδ-phase size / μm Standard heat treatment 0.139 ± 0.002 0.320 ± 0.010 Aging treatment 500 h 14.2 ± 1.31 2.655 ± 0.014 Aging treatment 1134 h 15.1 ± 1.20 2.861 ± 0.018