Finite element analysis of directional solidification of multicomponent alloys

S. D. Felicelli; J. C. Heinrich; D. R. Poirier

doi:10.1002/(SICI)1097-0363(199801)27:1/4<207::AID-FLD660>3.0.CO;2-X

Finite element analysis of directional solidification of multicomponent alloys

S. D. Felicelli, J. C. Heinrich, D. R. Poirier

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

A finite element model of dendritic solidification of multicomponent alloys is presented that includes solutal convection and is an extension of a previously developed model for solidification of binary alloys. The model is applied to simulation of the solidification of ternary and quaternary Ni-based alloys. The role of solutal convection in the macrosegregation and the formation of freckles is analysed. Calculations show the effects of geometry and material properties on the convection patterns and the attendant segregation.

Original language	English (US)
Pages (from-to)	207-227
Number of pages	21
Journal	International Journal for Numerical Methods in Fluids
Volume	27
Issue number	1-4
DOIs	https://doi.org/10.1002/(SICI)1097-0363(199801)27:1/4<207::AID-FLD660>3.0.CO;2-X
State	Published - 1998

Keywords

Dendritic monocrystals
Directional solidification
Multicomponent alloys

ASJC Scopus subject areas

Computational Mechanics
Mechanics of Materials
Mechanical Engineering
Computer Science Applications
Applied Mathematics

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10.1002/(SICI)1097-0363(199801)27:1/4<207::AID-FLD660>3.0.CO;2-X

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AU - Felicelli, S. D.

AU - Heinrich, J. C.

AU - Poirier, D. R.

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Y1 - 1998

N2 - A finite element model of dendritic solidification of multicomponent alloys is presented that includes solutal convection and is an extension of a previously developed model for solidification of binary alloys. The model is applied to simulation of the solidification of ternary and quaternary Ni-based alloys. The role of solutal convection in the macrosegregation and the formation of freckles is analysed. Calculations show the effects of geometry and material properties on the convection patterns and the attendant segregation.

AB - A finite element model of dendritic solidification of multicomponent alloys is presented that includes solutal convection and is an extension of a previously developed model for solidification of binary alloys. The model is applied to simulation of the solidification of ternary and quaternary Ni-based alloys. The role of solutal convection in the macrosegregation and the formation of freckles is analysed. Calculations show the effects of geometry and material properties on the convection patterns and the attendant segregation.

KW - Dendritic monocrystals

KW - Directional solidification

KW - Multicomponent alloys

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Finite element analysis of directional solidification of multicomponent alloys

Abstract

Keywords

ASJC Scopus subject areas

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