The effects of Thermoelectric Magnetohydrodynamics in directional solidification under a transverse magnetic field

A. Kao, B. Cai, P.d. Lee, K. Pericleous

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

The mechanism of macrosegregation and modification to dendrite size and spacing from a transverse magnetic field has been modelled through direct numerical simulation. The primary driver for this mechanism was identified as a strong Lorentz force formed in the interdendritic region, which leads to a large scale flow circulation. The microstructure evolution is modified by convective transport of solute and the predicted morphological features compare favourably to experimental data in the literature. The numerical results also give an insight into the magnitude of flow velocities within the interdendritic region.
Original languageEnglish
Pages (from-to)270-274
JournalJournal of Crystal Growth
Volume457
Early online date7 Jul 2016
DOIs
Publication statusPublished - 1 Jan 2017

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