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1 IN718合金锻件内部三向残余应力面分布图[33]

Fig.1 Residual stress distribution maps of IN718 disc samples[33] (a) schematic of testing process (ea, er, and eh indicate axial, radial, and hoop directions, respectively. positions are in mm) (b) residual stress maps of water quenched disc samples