CobaltMaghrebV1, France, Analysis, bibRecord, 000358

Prediction of plastic deformation and residual stresses induced in metallic parts by shot peening

Identifieur interne : 000358 ( France/Analysis ); précédent : 000357; suivant : 000359

Prediction of plastic deformation and residual stresses induced in metallic parts by shot peening

Auteurs : R. Fathallah [Tunisie] ; G. Inglebert [France] ; L. Castex [France]

Source :

Materials science and technology [ 0267-0836 ] ; 1998.

RBID : Pascal:98-0361315

Descripteurs français

Pascal (Inist)
- Plasticité, Grenaillage, Contrainte résiduelle, Frottement, Dureté, Analyse contrainte, Indentation, Diffraction RX, Simulation ordinateur, Méthode numérique, Superalliage, Alliage base nickel, Chrome alliage, Titane alliage, Aluminium alliage, Cobalt alliage, Molybdène alliage, Etude expérimentale, Tungstène alliage, Alliage n éléments, Udimet, Etude théorique, Alliage Ni55Cr18Co15Ti5Mo3Al3W1, Al Co Cr Mo Ni Ti W.

English descriptors

KwdEn :
- Aluminium alloy, Chromium alloy, Cobalt alloy, Computer simulation, Experimental study, Friction, Hardness, Indentation, Molybdenum alloy, Multi-element alloys, Nickel base alloys, Numerical method, Plasticity, Residual stress, Shot peening, Stress analysis, Superalloy, Theoretical study, Titanium alloy, Tungsten alloy, Udimet alloys, X ray diffraction.

Abstract

A model has been developed by Guechichi et al. and improved by Khabou et al. to predict residual stresses and plastic deformation induced by shot peening in metallic parts. The major controlling factors were taken into account. The effect of the tangentialfriction between the shot and the treated material, the shot hardness to material hardness ratio, and the angle of impingement were not 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 et al. as extended by Hamdane 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 diffraction analysis. Calculations made using different coefficients of friction and angles of impingement show a good correlation with the experimental data available in the literature.

Affiliations:

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Pascal:98-0361315

Le document en format XML

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<term>Hardness</term>
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<term>Multi-element alloys</term>
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<term>Residual stress</term>
<term>Shot peening</term>
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<term>Dureté</term>
<term>Analyse contrainte</term>
<term>Indentation</term>
<term>Diffraction RX</term>
<term>Simulation ordinateur</term>
<term>Méthode numérique</term>
<term>Superalliage</term>
<term>Alliage base nickel</term>
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<term>Titane alliage</term>
<term>Aluminium alliage</term>
<term>Cobalt alliage</term>
<term>Molybdène alliage</term>
<term>Etude expérimentale</term>
<term>Tungstène alliage</term>
<term>Alliage n éléments</term>
<term>Udimet</term>
<term>Etude théorique</term>
<term>Alliage Ni55Cr18Co15Ti5Mo3Al3W1</term>
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<front><div type="abstract" xml:lang="en">A model has been developed by Guechichi et al. and improved by Khabou et al. to predict residual stresses and plastic deformation induced by shot peening in metallic parts. The major controlling factors were taken into account. The effect of the tangentialfriction between the shot and the treated material, the shot hardness to material hardness ratio, and the angle of impingement were not 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 et al. as extended by Hamdane 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 diffraction analysis. Calculations made using different coefficients of friction and angles of impingement show a good correlation with the experimental data available in the literature.</div>
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Prediction of plastic deformation and residual stresses induced in metallic parts by shot peening

Prediction of plastic deformation and residual stresses induced in metallic parts by shot peening

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri