高温合金锻件残余应力量化表征及控制技术研究进展

毕中南, 秦海龙, 刘沛, 史松宜, 谢锦丽, 张继

Research Progress Regarding Quantitative Characterization and Control Technology of Residual Stress in Superalloy Forgings

BI Zhongnan, QIN Hailong, LIU Pei, SHI Songyi, XIE Jinli, ZHANG Ji

图10 GH4169合金γ"相变体选择行为对合金应力-应变关系的影响

Fig.10 Effects of γ" phase variant selection behavior on the stress-strain relationship of GH4169 alloy (a) applied stress-strain curves for quasi-static in situ neutron tensile deformation (TA for tensile-aged, CA for compressive-aged) (b) evolution of hkl-specific lattice strain of the γ phase along the longitudinal direction[88] (c) lattice strain evolution of the γ and γ" phases