Electronics Incorporated - The Shot Peener - Shot Peening Library
Title: Numerical Simulation of Multiple Shot Impact
Author: S T S Al-Hassani
Source: Conf Proc: ICSP-7 (pg 217-227)
Publication year 1999
Document number: 1999033
Number of pages: 11
Abstract:
This paper reports the results obtained from a numerical simulation using the Finite Element Method of three cases of shot peening:
1) single shot impacts normal to the target with three different impact velocities;
2) a five shot successive series of normal impacts along a line and overlap, causing ovalisation of the indentation;
3) a single shot impact at an oblique angle to the peened surface.
In the analyses the material was considered to exhibit linear-elastic behaviour with a non-linear work hardening characteristic, and a strain rate dependency. The shakedown
effect is a natural consequence of the material elastic plastic model behaviour used in this solution procedure. Several other important features associated with material
strain-rate dependency and work hardening, hitherto unreported in the literature, are observed and discussed in detail. Possible explanations of the results are presented.
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