高温合金盘锻件制备过程残余应力的演化规律及机制
毕中南1,2(
),秦海龙1,2,董志国3,王相平3,王鸣3,刘永泉3,杜金辉1,2,张继1,2
),秦海龙1,2,董志国3,王相平3,王鸣3,刘永泉3,杜金辉1,2,张继1,2
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
),QIN Hailong1,2,DONG Zhiguo3,WANG Xiangping3,WANG Ming3,LIU Yongquan3,DU Jinhui1,2,ZHANG Ji1,2
图18. 残余应力引起的盘件加工轴向变形及原理示意图
Fig.18. Residual stress caused axial deformation(a) after machining with free state and principle sketch (b) symmetry machining allowance (Δσtop and Δσbottom indicate residual stress difference near the upper surface and lower surface at wheel core, respectively) (c) asymmetry machining allowance
