Equiaxed grain structure formation during directional solidification of a refined Al-20wt.%Cu alloy: in situ analysis of temperature gradient effects - Archive ouverte HAL Access content directly
Journal Articles Journal of Crystal Growth Year : 2022

Equiaxed grain structure formation during directional solidification of a refined Al-20wt.%Cu alloy: in situ analysis of temperature gradient effects

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Abstract

Three series of directional solidification experiments on refined Al-20wt.%Cu alloys have been carried out with different temperature gradients, and for each of them a wide range of cooling rates were applied. The experiments were performed in horizontal configuration to minimize the impact of gravity-driven phenomena and characterized in situ and in real-time by using the X-radiography technique. The influence of the temperature gradient on the microstructure formation (impact of Temperature Gradient Zone Melting: TGZM), the nucleation distance, the
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Dates and versions

hal-03637536 , version 1 (11-04-2022)

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H. Soltani, G. Reinhart, M.C. Benoudia, F. Ngomesse, M. Zahzouh, et al.. Equiaxed grain structure formation during directional solidification of a refined Al-20wt.%Cu alloy: in situ analysis of temperature gradient effects. Journal of Crystal Growth, 2022, 587, pp.126645. ⟨10.1016/j.jcrysgro.2022.126645⟩. ⟨hal-03637536⟩
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