固溶后处理对GH4706合金时效析出相演化及力学性能的影响

王冲, 王磊, 段然, 田强, 黄烁, 赵光普

Effects of Solution Post-Treatment on Precipitation Evolution During Aging of GH4706 Alloy and Its Mechanical Properties

WANG Chong, WANG Lei, DUAN Ran, TIAN Qiang, HUANG Shuo, ZHAO Guangpu

图10 不同固溶后处理和双级时效后GH4706合金持久试样断口表面形貌的SEM像

Fig.10 Low (a, c, e, g) and locally high (b, d, f, h) magnified fracture surface SEM images of stress rupture samples after AA (a, b), FSA (c, d), FA (e, f), and FAs (g, h) solution post-treatments and the two-stage aging treatment (Yellow arrows in Figs.10d and f denote the step fracture features)