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Experimental verification of a model on melting and resolidification in a temperature gradient

Abstract : The mushy zone dynamics in a temperature gradient is studied for Al–Cu alloys by comparing results of a recently published model with experimental data. Local mean composition and solid fraction in the temperature gradient are calculated as a function of time, experiments are presented for annealing times of 300 and 600 s. Despite the complexity of the numerous processes in the mushy zone, the model describing diffusion and change of solid fraction yields reasonably good agreement. The fastest dynamics of the mushy zone occurs at locations with a high gradient of solid fraction.
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https://hal.univ-lorraine.fr/hal-01709361
Contributor : Miha Založnik Connect in order to contact the contributor
Submitted on : Wednesday, February 14, 2018 - 9:35:00 PM
Last modification on : Monday, November 29, 2021 - 3:39:01 PM

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Stephanie Fischer, Miha Založnik, Jean-Marie Seiler, Markus Rettenmayr, Hervé Combeau. Experimental verification of a model on melting and resolidification in a temperature gradient. Journal of Alloys and Compounds, Elsevier, 2012, 540, pp.85 - 88. ⟨10.1016/j.jallcom.2012.06.075⟩. ⟨hal-01709361⟩

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