Paper Title:
3D Numerical Prediction of Residual Stresses in Turning of 15-5PH
  Abstract

This study presents the development of a numerical model for the prediction of residual stresses induced in finish turning of a 15-5PH martensitic stainless steel. This methodology uses a hybrid approach combining experimental results (friction and orthogonal friction tests) with a numerical model. The numerical model simulates the residual stresses generation by applying cyclic equivalent thermo-mechanical loads onto the machined surface without modeling the chip removal process. The three-dimensional approach enables to study the influence of the turning passes interactions. It has been shown numerically that the periodicity of loading leads to a significant heterogeneity of material solicitations. Moreover, overlapping of passes accentuates these effects. So, the model highlights the necessity of a multi-passes simulation to reach a constant evolution of residual stresses along the feed direction. In addition, experimental measurements obtained by X-Ray diffraction have been compared with numerical results to validate the model.

  Info
Periodical
Edited by
J.C. Outeiro
Pages
411-420
DOI
10.4028/www.scientific.net/AMR.223.411
Citation
A. Mondelin, F. Valiorgue, J. Rech, M. Coret, E. Feulvarch, "3D Numerical Prediction of Residual Stresses in Turning of 15-5PH", Advanced Materials Research, Vol. 223, pp. 411-420, 2011
Online since
April 2011
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Price
$32.00
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