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Three-dimensional periodic Voronoi grain models and micromechanical FE-simulations of a two-phase steel
KTH, Superseded Departments, Solid Mechanics.
KTH, Superseded Departments, Solid Mechanics.ORCID iD: 0000-0002-0307-8917
2002 (English)In: Computational materials science, ISSN 0927-0256, Vol. 24, no 4, 513-519 p.Article in journal (Refereed) Published
Abstract [en]

A three-dimensional model is proposed for modeling of microstructures. The model is based on the finite element method with periodic boundary conditions. The Voronoi algorithm is used to generate the geometrical model, which has a periodic grain structure that follows the original boundaries of the Voronoi cells. As an application, the model is used to model a two-phase ferrite/pearlite steel. It is shown that periodic cells with only five grains generate representative stress-strain curves.

Place, publisher, year, edition, pages
2002. Vol. 24, no 4, 513-519 p.
Keyword [en]
FEM, microstructure, Voronoi cells, plasticity, pearlite, ferrite, metal-matrix composites, behavior, stresses, sheet
National Category
Mechanical Engineering Materials Engineering
URN: urn:nbn:se:kth:diva-21754DOI: 10.1016/S0927-0256(02)00156-8ISI: 000177037900009OAI: diva2:340452
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2010-10-22Bibliographically approved

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Nygårds, MikaelGudmundson, Peter
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