Effect of solute trapping on the growth process in undercooled eutectic melts

Acta Metall Sin

2008, Vol. 44

Issue (11): 1335-1339 DOI:

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Effect of solute trapping on the growth process in undercooled eutectic melts

;;;Yaohe Zhou

上海交通大学

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Yaohe Zhou. Effect of solute trapping on the growth process in undercooled eutectic melts. Acta Metall Sin, 2008, 44(11): 1335-1339 .

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Abstract

Abstract：Considering the solute trapping in non-equilibrium rapid solidification, in this paper, we discuss the effect of solute trapping on the growth process basing on the existent eutectic models. It is found that the growth velocity is increased and lamellar spacing and dendritic tip radius are decreased, and the smaller the equilibrium solute partition coefficient, the more prominent the effect.

Key words: binary eutectic undercooled solute trapping equilibrium solute partition coefficient

Received: 25 March 2008

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2008/V44/I11/1335

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