High-precision simulation and experimental verification of residual stress and surface topography of cylindrical surface shot peening

作     者：Jiuyue ZHAO Jinyuan TANG Huaming LIU Huiyun ZHANG Xin LI Han DING Jiuyue ZHAO;Jinyuan TANG;Huaming LIU;Huiyun ZHANG;Xin LI;Han DING

作者机构：State Key Laboratory of Precision Manufacturing for Extreme Service PerformanceCentral South UniversityChangsha 410083China College of Mechanical and Electrical EngineeringCentral South UniversityChangsha 410083China 

出 版 物：《Chinese Journal of Aeronautics》 (中国航空学报（英文版）)

年 卷 期：2024年第37卷第9期

页      面：535-559页

核心收录：

学科分类：08[工学] 082503[工学-航空宇航制造工程] 0825[工学-航空宇航科学与技术] 

基　　金：the National Natural Science Foundation of China (No.U22B2086) the National Science and Technology Major Project through (No.2019-VII-0017-0158) 

主　　题：Shot peening Cylindrical surface 9310 high strength steel High-precision modeling Residual stress Surface topography 

摘      要：Shot peening is commonly employed for surface deformation strengthening of cylindrical surface ***,it is critical to understand the effects of shot peening on residual stress and surface *** to flat surface,cylindrical surface shot peening has two significant features:(i)the curvature of the cylindrical surface and the scattering of the shot stream cause dis-tributed impact velocities;(i)the rotation of the part results in a periodic variation of the impact velocity ***,it is a challenge to quickly and accurately predict the shot peening residual stress and surface topography of cylindrical *** paper developed a high-precision model which considers the more realistic shot peening ***,a kinematic analysis model was developed to simulate the relative movement of numerous shots and cylindrical ***,the spatial distribution and time-varying impact information was ***,the impact information was used for finite element modeling to predict residual stress and surface *** proposed kinematic analysis method was validated by comparison with the dis-crete element ***,9310 high strength steel rollers shot peening test verified the effectiveness of the model in predicting the residual stress and surface *** addition,the effects of air pressure and attack angle on the residual stress and surface topography were *** work could provide a functional package for efficient prediction of the surface integrity and guide industrial application in cylindrical surface shot peening.