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Simulation and experimental approach for shot velocity evaluation in ultrasonic shot peening

Published online by Cambridge University Press:  20 July 2011

Jawad Badreddine*
Affiliation:
Laboratoire des Systèmes Mécaniques et d’Ingénierie Simultanée (LASMIS), Université de Technologie de Troyes, 12 rue Marie Curie, 10000 Troyes, France
Emmanuelle Rouhaud
Affiliation:
Laboratoire des Systèmes Mécaniques et d’Ingénierie Simultanée (LASMIS), Université de Technologie de Troyes, 12 rue Marie Curie, 10000 Troyes, France
Matthieu Micoulaut
Affiliation:
Laboratoire de Physique Théorique de la Matière Condensée (LPTMC), Université Pierre et Marie Curie, 4 place Jussieu, 75252 Paris, France
Delphine Retraint
Affiliation:
Laboratoire des Systèmes Mécaniques et d’Ingénierie Simultanée (LASMIS), Université de Technologie de Troyes, 12 rue Marie Curie, 10000 Troyes, France
Sébastien Remy
Affiliation:
Laboratoire des Systèmes Mécaniques et d’Ingénierie Simultanée (LASMIS), Université de Technologie de Troyes, 12 rue Marie Curie, 10000 Troyes, France
Manuel François
Affiliation:
Laboratoire des Systèmes Mécaniques et d’Ingénierie Simultanée (LASMIS), Université de Technologie de Troyes, 12 rue Marie Curie, 10000 Troyes, France
Pascal Viot
Affiliation:
Laboratoire de Physique Théorique de la Matière Condensée (LPTMC), Université Pierre et Marie Curie, 4 place Jussieu, 75252 Paris, France
Gaëlle Doubre-Baboeuf
Affiliation:
SNECMA Évry-Corbeil, route Henri Auguste Desbruères, BP 81, 91003 Évry, France
Didier Le Saunier
Affiliation:
SNECMA Évry-Corbeil, route Henri Auguste Desbruères, BP 81, 91003 Évry, France
Vincent Desfontaine
Affiliation:
SONATS SAS, 2 rue de la Fonderie, BP 40538, 44475 Carquefou Cedex, France
*
aCorresponding author: [email protected]
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Abstract

The process of ultrasonic shot peening has been studied from two aspects: (a) a 3D numerical model of shot motion in the peening chamber based on the theory of granular gases, (b) an experimental setup developed for measuring shot velocity distribution in the chamber and impact locations on the peened surface. The aim of such study is to propose an experimental method providing shot trajectories in order to validate the 3D model for the process parameter optimization, used for example in the aeronautic industry. The presented results illustrate the value of the model in the understanding and mastering of the process, as well as its usefulness, on one hand for the design of peening chambers, and on the other hand for a better definition of numerical models that help to predict residual stresses generated in the peened material.

Type
Research Article
Copyright
© AFM, EDP Sciences 2011

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