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Multi-phase-field modeling of microstructure evolution in metallic foams

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arxiv 2007.05092 v1 pith:JCPDXUWC submitted 2020-07-09 physics.comp-ph cond-mat.mtrl-sci

Multi-phase-field modeling of microstructure evolution in metallic foams

classification physics.comp-ph cond-mat.mtrl-sci
keywords formationmicrostructurecoalescenceevolutionfoamsmetallicmulti-phase-fieldallows
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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This paper represents a model for microstructure formation in metallic foams based on the multi-phase-field (MPF) approach. By the use of a no-coalescence boundary condition within this MPF-framework, it is possible to completely prevent coalescence of bubbles and thus focus on the formation of a closed porous microstructure. A modification of this non-wetting criterion allows for the controlled initiation of coalescence and the evolution of open structures. The method is validated and used to simulate foam structure formation both in two and three dimensions.

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