Abstract
Three-dimensional (3-D) numerical studies have been performed to investigate the effect of lamellar thickness on eutectic growth with a given lamellar spacing by using the KKSO multiphase field model on the basis of two-dimensional (2-D) benchmark results. Simulated results show that, with the increase of the lamellar thickness, the thickness effect becomes stronger, which results in various oscillations destabilizing. The calculated average undercooling curves indicate that the change of undercooling is the essential reason for the morphology transition.
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The work was supported by the National Natural Science Foundation of China (Grant Nos. 50271057 and 50401013) and the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry.
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Manuscript submitted May 1, 2008.
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Yang, Y., Wang, J., Zhang, Y. et al. Three-Dimensional Multiphase Field Modeling of the Effect of Lamellar Thickness on the Eutectic Growth. Metall Mater Trans A 40, 1670–1674 (2009). https://doi.org/10.1007/s11661-009-9837-x
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DOI: https://doi.org/10.1007/s11661-009-9837-x