Optimising shot peening parameters using finite element and discrete element analysis

被引：3

作者：

Hong, T. ^{[1
]}

Wen, D. H. ^{[1
]}

Yuan, J. L. ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Precis Engn Lab, Hangzhou 310014, Zhejiang, Peoples R China

来源：

E-ENGINEERING & DIGITAL ENTERPRISE TECHNOLOGY | 2008年 / 10-12卷

关键词：

shot peening; finite element; discrete element; compressive residual stress;

D O I：

10.4028/www.scientific.net/AMM.10-12.493

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Shot peening is a cold-work process in which a stream of small spherical shot is blasted against a metallic component to generate a high compressive residual stress regime at the surface of the target. This paper presents a computational modelling of the shot peening process, in which the finite element (FE) method was employed to study the elastic-plastic dynamic process of the shot impact on a metallic target, and the discrete element (DE) method was used to study the multiple particles dynamics. Statistical analyses of the shot impact data reveal the relationships between peening process parameters and peening intensity, which can be used to optimise these process parameters to produce an improved outcome.

引用

页码：493 / 497

页数：5

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