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Multiscale modeling of the small punch test in nanostructured Ti

  • Computational Micromechanics of Materials
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Abstract

Small punch tests in the extrusion and transverse directions of nanostructured titanium manufactured by hydrostatic extrusion were simulated by means of a multiscale model, which encompasses three length scales. Information is transferred from the microscale (mechanical behavior of each slip system within an ellipsoidal grain) to the mesoscale (polycrystalline aggregate) by means of a model based on elastic and viscoplastic self-consistent approximations. The mechanical response of the polycrystalline aggregate at the mesoscale is used as the constitutive equation of the material at each integration point of the finite element model. The results of the multiscale finite element simulations were in good agreement with the macroscopic experimental results and provided information to understand the dominant deformation and fracture mechanisms at the microscopic level.

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Acknowledgments

This work was supported by the European Union 7th Framework Program, project LIMEDU (ERA-NET MATERA+). IS acknowledges the financial support from the Spanish Ministry of Economy and Competitiveness through the Ramón y Cajal Fellowship.

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Authors and Affiliations

  1. Department of Materials Science, Polytechnic University of Madrid, 28040, Madrid, Spain

    Alvaro Ridruejo & Javier Segurado

  2. IMDEA Materiales Institute, C/Eric Kandel, 2, 28906, Getafe, Madrid, Spain

    Javier Segurado, Eva Cristina Moreno-Valle, Ilchat Sabirov & Javier LLorca

Authors
  1. Alvaro Ridruejo
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  2. Javier Segurado
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  3. Eva Cristina Moreno-Valle
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  4. Ilchat Sabirov
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  5. Javier LLorca
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Correspondence to Alvaro Ridruejo.

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Ridruejo, A., Segurado, J., Moreno-Valle, E.C. et al. Multiscale modeling of the small punch test in nanostructured Ti. Meccanica 51, 443–453 (2016). https://doi.org/10.1007/s11012-015-0315-9

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  • DOI: https://doi.org/10.1007/s11012-015-0315-9

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