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Title: A Numerical Simulation to Relate the Shot Peening Process Parameters to the Induced Residual Stresses
Author: T Hong, JY Ooi, J Favier, B Shaw
Source: Conf Proc: ICSP-9 (pg 100-106)
Publication year 2005
Document number: 2005058
Number of pages: 7
Abstract:
ABSTRACT
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. The results obtained from the DE simulation
demonstrated the capability of the method to capture realistic behaviour especially the interaction between the incoming shots with rebound shots. Careful statistical
analyses of the shot impact data reveal the relationships between peening process parameters and peening quality, which are very useful for identifying those parameters
which need to be controlled and regulated in order to produce a more beneficial compressive residual stress distribution within the target.
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