Abstract
According to the classical eutectic growth theory, eutectic solidification occurs near the minimum liquid undercooling at the solid/liquid interface. Application of such a condition on eutectic solidification leads to the conclusion that the lamellar spacing is not unique for a specific growth condition. Although the average lamellar spacing as a function of the growth rate agrees with the theory, in the growth of the SnSe eutectic alloy, it was found that the lamellar spacings are distributed over a large range of values. The main objective of this paper is to investigate the influence of the growth rate on the lamellar spacing selection of the SnSe eutectic alloy. The results obtained show that the growth rate affects the distribution of lamellar spacings. It was noted that an increase in the growth rate causes a narrower distribution of spacings.
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