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2 GH4169合金不同温度和应变速率下应力-应变关系实测与模拟结果对比^[49]

Fig.2 Comparisons between experimental measure-ments and finite element (FE) results at different temperatures and strain rates ( $\dot{ε}$ ) in GH4169 alloy^[49]
(a)

\dot{ε}

= 10^-2 s^-1 (b)

\dot{ε}

= 10^-3 s^-1 (c)

\dot{ε}

= 10^-4 s^-1