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Meccanica
Erschienen in: Meccanica 2/2016

04.11.2015 | Computational Micromechanics of Materials

Multiscale modeling of the small punch test in nanostructured Ti

verfasst von: Alvaro Ridruejo, Javier Segurado, Eva Cristina Moreno-Valle, Ilchat Sabirov, Javier LLorca

Erschienen in: Meccanica | Ausgabe 2/2016

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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.
Vorheriger Artikel Neighborhood influences on stress and strain partitioning in dual-phase microstructures
Nächster Artikel Experimental and numerical investigation of aluminium lap joints made by RFSSW

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Metadaten
Titel
Multiscale modeling of the small punch test in nanostructured Ti
verfasst von
Alvaro Ridruejo
Javier Segurado
Eva Cristina Moreno-Valle
Ilchat Sabirov
Javier LLorca
Publikationsdatum
04.11.2015
Verlag
Springer Netherlands
Erschienen in
Meccanica / Ausgabe 2/2016
Print ISSN: 0025-6455
Elektronische ISSN: 1572-9648
DOI
https://doi.org/10.1007/s11012-015-0315-9

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