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8 轮廓法测得的高速旋转前后的GH4169盘锻件弦向残余应力分布

Fig.8 Hoop residual stress distributions of GH4169 disk forgings measured by contour method (a-c) before (a) and after 37000 r/min (b) and 42000 r/min (c) pre-spin of water-quenched samples (d-f) before (d) and after 37000 r/min (e) and 42000 r/min (f) pre-spin of samples with cooling-field optimized