Study on influence of surface coating during cooling slope rheocasting process

The cooling slope process is a simple method to produce feedstock materials for semisolid processing. In this work, the influence of surface coating of the cooling slope on grain morphology was examined. The investigation showed that the coating on the surface of the slope can affect the forming of...

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Bibliographic Details
Published inMaterials science and technology Vol. 27; no. 10; pp. 1602 - 1605
Main Authors Wang, T M, Xu, J, Chen, Z N, Zhu, J, Li, T J
Format Journal Article
LanguageEnglish
Published London, England Taylor & Francis 01.10.2011
SAGE Publications
Taylor & Francis Ltd
Subjects
Casting
Cooling
Cooling slope
Microstructure
Semisolid
Solidification
Solidification shell
Surface coating
Cooling slope
Solidification shell
Surface coating
Semisolid
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Summary:The cooling slope process is a simple method to produce feedstock materials for semisolid processing. In this work, the influence of surface coating of the cooling slope on grain morphology was examined. The investigation showed that the coating on the surface of the slope can affect the forming of both the solidification shell and the morphology of α-Al phase. A zebra form coating was proposed and tested, which cannot only reduce the solidification shell but also improve the grain microstructure.
ISSN:0267-0836
1743-2847
DOI:10.1179/1743284710Y.0000000028