3D Model of Shot Dynamics for Ultrasonic Shot Peening

Abstract:

This paper presents a 3D model that simulates an ultrasonic shot peening (USP) operation, using realistic process parameters and peening setups (part and chamber geometries). By simulating the shot dynamics (shot trajectories and impacts), statistical and spatial data are obtained for the peened component, i.e. surface coverage and coverage rate, impact speeds and angles, dissipated energy... This data can then be used for i) optimizing the design of peening chambers and process parameters and ii) predicting the residual stress and displacement fields induced by USP in the peened component. In fact, data from the 3D model can be used as initial data in existing residual stress prediction models. A chaining methodology was developed for this purpose and allows linking the choice of process parameters and USP setup to the induced residual stress displacement fields.

• Periodical: Materials Science Forum (Volumes 768-769)
• Pages: 503-509
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.768-769.503
• Online since: September 2013
• Authors: Jawad Badreddine, Emmanuelle Rouhaud, Matthieu Micoulaut, Sebastien Remy, Vincent Desfontaine, Pierre Renaud
• Keywords: 3D Model, Chaining Method, Residual Stress, Shot Dynamics, Ultrasonic Shot Peening

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