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Title: Modelling of Shot Peening Residual Stresses and Plastic Deformation Induced in Metallic Parts
Author: R. Fathallah, G. Inglebert, L. Castex
Source: Conf Proc: ICSP-6, (p.464-480)
Publication year 1996
Document number: 1996093
Number of pages: 10
Abstract:
A model has been diveloped by Guechichi 1) and improved by Khabou 2) to predict residual stresses and plastic deformations induced by shot peening in metallic parts. The
major controlling factor were taken into account. This paper presents an extension of this model by taking into account the effect of friction, the angle of impingement and
the hardness ratio. The material is characterised by using the model of Khabou 2) extended by Hamdane 3) in the case of triaxial loading. Application on a plate made of
Udimet 720 shows a good agreement with the residual stresses obtained by x-ray diffration analysis. Also calculations have been made by using different coefficients of
friction and angles of impingement show a good correlation with the experimental data available in the literature.
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