Studies on residual stress and surface topography after pneumatic shot peening using discrete element method–finite element method coupled model
Jinggan Shao,
Saifei Ding,
Genshang Wu
et al.
Abstract:After pneumatic shot peening, compressive residual stress is induced on the surface of the target, which will improve the fatigue life. During the process, surface roughness is also induced, which may reduce the fatigue life. To achieve the optimum compressive residual stress with the smallest surface roughness, the formation mechanism of the residual stress field and the surface topography are revealed. Then, pneumatic shot peening is simulated by using a discrete element method–finite element method coupled … Show more
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