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|Type:||Artigo de periódico|
|Title:||The columnar to equiaxed transition during solidification of Sn-Pb alloys|
|Abstract:||In the present article, some important trends are shown regarding the influence of solidification thermal parameters on the columnar to equiaxed transition (CET) during the unsteady state solidification of Sn-Pb alloys. A comparison of the results obtained in the present work with results from the literature concerning similar experiments, but undertaken under conditions of lower heat transfer efficiency at the metal-mold interface, has shown that a realistic CET criterion should be based on a critical cooling rate at the dendrite tips of about 0.014 K/s, which depends only on the alloy system. The effects of melt superheat, solute concentration and metal-mold heat transfer coefficient on the CET position are also investigated. (C) 2002 Elsevier Science B.V. All rights reserved.|
|Editor:||Elsevier Science Sa|
|Citation:||Journal Of Alloys And Compounds. Elsevier Science Sa, v. 351, n. 41671, n. 126, n. 134, 2003.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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