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4 GH4169合金铸锭内部残余应力计算结果

Fig.4 Calculation results of residual stress after casting in GH4169 alloy (a, b) hoop stress (a) and effective stress (b) in ingot (c, d) hoop stress (c) and effective stress (d) after homogenization