No.1008E 2011 Estimation of Residual Stress Distribution Induced by Shot Peening |
| Category | TECHNICAL PAPER |
|---|---|
| Author | J. KUSTER Mechatronic Systems R&D Dept., Research & Development Center T. KOBAYASHI Mechatronic Systems R&D Dept., Research & Development Center, PhD |
| Abstract | This paper describes an estimation method for the residual stress distribution induced by shot peening. First, process modeling taking into account material nonlinearities under high strain and high strain rate along with derivation of the residual stress profile is introduced. Results obtained with the proposed method are validated against experimental curves. Finally, using fi tting expressions, a prediction method for the residual stress profi les depending on the material properties and shot peening conditions is introduced. |
| Keyword | residual stress distribution, shot peening, material characterization, elasto-plastic material, numerical analysis |
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