DEM-FEM coupling analysis of shot′s energy distribution and target′s residual stress of pneumatic shot peening
Genshang Wu,
Jinggan Shao,
Zhanshu He
et al.
Abstract:Pneumatic shot peening is a widely used surface strengthening method. During the peening process, shots often collide with each other, resulting in large energy loss and small compressive residual stress. In order to achieve the optimum compressive residual stress with as little energy loss as possible, firstly the collision mechanism of shots and the forming and coupling mechanism of the target’s residual stress are revealed, and then pneumatic shot peening is simulated by using DEM-FEM coupling model. Then, … Show more
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