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2 在不同条件热处理后，GH4169镍基高温合金中δ相的成分及其两侧无析出处的成分

Table 2 δ-phase compositions and compositions of GH4169 nickel-based superalloy without precipitation on both sides of δ-phase under different heat treatment conditions

Position Al Si Ti Cr Fe Ni Nb Mo 1 0.85 0.55 1.27 8.42 7.31 20.21 5.53 0.9 2 1.5 0.53 0.96 15.41 13.91 38.69 2.54 1.29 3 1.63 0.12 3.16 4.9 5.28 63.48 16.43 0.99 4 1.69 0.37 1.06 17.6 15.69 40.41 1.69 1.13 5 2.15 0.59 1.83 15.48 14.11 55.91 8.19 1.66 6 1.93 0.56 0.79 19.15 16.87 41.85 1.33 1.98