高温合金盘锻件制备过程残余应力的演化规律及机制
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Residual Stress Evolution and Its Mechanism During the Manufacture of Superalloy Disk Forgings
BI Zhongnan1,2(),QIN Hailong1,2,DONG Zhiguo3,WANG Xiangping3,WANG Ming3,LIU Yongquan3,DU Jinhui1,2,ZHANG Ji1,2

图4. 涡轮盘锻件轮廓法测试残余应力的过程

Fig.4. Schematics of contour method for residual stress testing of turbine disk(a) cutting process(b) surface contour of disk sample(c) hoop residual stress