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5 时效过程中GH4169盘锻件中心位置残余应力的原位中子衍射测试结果[62]

Fig.5 Stress relaxation vs time in the center of the disk during the ageing treatment[62] (a) heating by ceramic blanket under clad insulation (b) evolution of residual stress in the center of disk during ageing treatment