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On the role of particles distribution on damage and fatigue mechanisms

  • Finite element technology and multi-scale methods for composites, metallic sheets and coating behaviour models: R. Alves de Sousa, R. Valente, L. Duchêne, V. Kouznetsova
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Abstract

Damage and fatigue properties of steel grades are often related to particles shape and chemical composition. To understand the role of particles on damage and fatigue mechanisms numerical modelling at the microscale level can be helpful. It is shown here how forging can induce an oriented microstructure (grain flow orientation) that induces anisotropic damage and fatigue behaviour. Then a microstructure builder (DIGIMICRO) is presented to illustrate how it is possible to create a realistic microstructure in an elementary volume. Computations performed within this heterogeneous elementary volume can be used to understand the anisotropy induced by particles shape and orientation.

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Authors and Affiliations

  1. Mines ParisTech, CEMEF - Centre de Mise en Forme des Matériaux, CNRS UMR 7635, 1 rue Claude Daunesse, BP 207, 06904, Sophia Antipolis Cedex, France

    Pierre-Olivier Bouchard, Marc Bernacki, Rachid El Khaoulani & Marc Milesi

Authors
  1. Pierre-Olivier Bouchard
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  2. Marc Bernacki
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  3. Rachid El Khaoulani
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  4. Marc Milesi
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Correspondence to Pierre-Olivier Bouchard.

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Bouchard, PO., Bernacki, M., El Khaoulani, R. et al. On the role of particles distribution on damage and fatigue mechanisms. Int J Mater Form 2 (Suppl 1), 935 (2009). https://doi.org/10.1007/s12289-009-0615-5

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  • DOI: https://doi.org/10.1007/s12289-009-0615-5

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