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

表1 不同固溶后处理和双级时效后GH4706合金重位点阵(CSL)晶界的体积分数 (%)

Table 1 Volume fractions of CSL boundaries in GH4706 alloy after different solution post-treatments and the two-stage aging treatment

Solution post-treatment Σ3 Σ9 Σ27 AA 34.6 0.6 0.3 FSA 37.6 0.8 0.2 FA 36.3 0.6 0.1 FAs 34.8 0.7 0.2