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A numerical simulation to relate the shot peening parameters to the induced residual stresses

Lookup NU author(s): Professor Brian Shaw

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Abstract

This paper presents a computational modelling of the shot peening process, in which the finite element method was employed to study the elastic-plastic dynamic process of shots impacting on a metallic target, and the discrete element method was used to study the multiple particles dynamics. The results demonstrated the capability of the method to capture realistic behaviour including the interaction between incoming shots and rebounding shots. Statistical analyses of the shots impact data reveal the relationships between peening process parameters and peening quality, which are useful for identifying the parameters which need to be controlled and regulated in order to produce a more beneficial compressive residual stress distribution within the target. © 2007 Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Hong T, Ooi JY, Shaw B

Publication type: Article

Publication status: Published

Journal: Engineering Failure Analysis

Year: 2008

Volume: 15

Issue: 8

Pages: 1097-1110

ISSN (print): 1350-6307

ISSN (electronic): 1873-1961

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.engfailanal.2007.11.017

DOI: 10.1016/j.engfailanal.2007.11.017

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