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

图11 在不同条件热处理后试样冲击断口的形貌

Fig.11 Impact fracture morphologies under different heat treatment processes. Macromorphology (a, e, i), crack initiation zone (b, f, j), crack propagation zone (c, g, k) and shear lip zone (d, h, l) after standard heat treatment (a-d), aging treatment for 500 h (e-h) and 1134 h (i-l)