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Probabilistic modeling the deformation and failure in heterogeneous microstructure of Ti-6Al-4V

KIM, T.-W

Journal of materials science, 2004-04, Vol.39 (7), p.2597-2599 [Periódico revisado por pares]

Heidelberg: Springer

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  • Título:
    Probabilistic modeling the deformation and failure in heterogeneous microstructure of Ti-6Al-4V
  • Autor: KIM, T.-W
  • Assuntos: Applied sciences ; Condensed matter: structure, mechanical and thermal properties ; Deformation ; Deformation and plasticity (including yield, ductility, and superplasticity) ; Exact sciences and technology ; Mechanical and acoustical properties of condensed matter ; Mechanical properties of solids ; Metals. Metallurgy ; Physics ; Titanium base alloys
  • É parte de: Journal of materials science, 2004-04, Vol.39 (7), p.2597-2599
  • Notas: ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-1
    content type line 23
  • Descrição: It is well known that the *a - *b titanium alloys do not readily cavitate during superplastic deformation, but the materials deform inhomogeneously leading to ultimate strain localization and failure. Microstructural evolution, which is coupled nonlinearly with the deformation behavior, is important since it affects subsequent material properties, but in addition, contributes to the development of non-uniform failure. The *a - *b Ti-6Al-4V alloy is two-phase having different deformation characteristics, and thus the local deformation is strongly influenced by the heterogeneous phase distributions. The present paper therefore describes the efforts to develop a generic model for determining the inhomogeneous deformation and failure coupled with the heterogeneous microstructures within the statistical mechanics framework. The work essentially continues a newly developed methodology in which a probabilistic model has been presented combined with micro-level constitutive equations enabling the quantities at macro-material level to be averaged over the distributions of phase.
  • Editor: Heidelberg: Springer
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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