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10 时效处理1134 h试样的拉伸断口开裂位置的SEM照片

Fig.10 SEM image of the characteristic cracking location in the tensile fracture after aging treatment for 1134 h (a) and corresponding EDS mappings of Nb (b), Cr (c) and Ni (d)