Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Towards a Physically Consistent Phase-Field Model for Alloy Solidification

Version 1 : Received: 16 December 2021 / Approved: 21 December 2021 / Online: 21 December 2021 (14:07:58 CET)

How to cite: Bollada, P.; Jimack, P.K.; Mullis, A.M. Towards a Physically Consistent Phase-Field Model for Alloy Solidification. Preprints 2021, 2021120346 (doi: 10.20944/preprints202112.0346.v1). Bollada, P.; Jimack, P.K.; Mullis, A.M. Towards a Physically Consistent Phase-Field Model for Alloy Solidification. Preprints 2021, 2021120346 (doi: 10.20944/preprints202112.0346.v1).

Abstract

We summarise contributions made to the computational phase-field modelling of alloy solidification from the University of Leeds spoke of the LiME project. We begin with a general introduction to phase-field, and then reference the numerical issues that arise from solution of the model, before detailing each contribution to the modelling itself. These latter contributions range from controlling and developing interface-width independent modelling; controlling morphology in both single and multiphase settings; generalising from single to multi-phase models; and creating a thermodynamic consistent framework for modelling entropy flow and thereby postulate a temperature field consistent with the concepts of, and applicable in, multiphase and density-dependent settings.

Keywords

phase-field; solidification; non-equilibrium thermodynamics; crystal formation

Subject

ENGINEERING, Industrial & Manufacturing Engineering

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