Abstract
In this work, we propose a phase field model to investigate grain boundary (GB) migration under an external magnetic field in a non-magnetic Bismuth (Bi) system. We take into account various arrangements, such as bicrystals (rectangular and circular) and polycrystals (hexagonal grains), where we apply magnetic fields parallel and perpendicular to the c-axis. We observe that the direction of the applied magnetic field affects the GB migration direction; the grain with the c-axis parallel to the magnetic field grows preferentially at the expense of the grain with the c-axis perpendicular to the magnetic field. Moreover, our study indicates that the difference in the magnetic free energy density of grains with various orientations results in preferential grain growth.
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The authors are thankful for financial support received from the SERB core research grant (CRG/2021/003687).
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Bandyopadhyay, S., Bhowmick, S., Mukherjee, R. (2024). Effect of External Magnetic Field on Grain Boundary Migration in Non-magnetic Systems: A Phase-Field Study. In: Patra, S., Sinha, S., Mahobia, G.S., Kamble, D. (eds) Proceedings of the International Conference on Metallurgical Engineering and Centenary Celebration. METCENT 2023. Springer, Singapore. https://doi.org/10.1007/978-981-99-6863-3_9
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DOI: https://doi.org/10.1007/978-981-99-6863-3_9
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