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7 轮廓法测得的基于冷却场调控的盘锻件弦向残余应力分布

Fig.7 Hoop residual stress distributions of disk forgings measured by contour method (a) before cooling-field optimizing (b) after cooling-field optimizing (c) designing of cooling-field to achieve residual stress preset