Fundamental differences between spray forming and other semisolid processes

Fuxiao, Yu and Jianzhong, Cui and Ranganathan, S and Dwarakadasa, ES (2001) Fundamental differences between spray forming and other semisolid processes. In: Materials Science and Engineering A, 304-30 . pp. 621-626.

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Abstract

The distinguished microstructural features of spray formed products are the refined equiaxed grain structure and lower segregation level. Attempts have been made in the past to propose mechanisms to explain the formation of equiaxed grain structure. Recently there has been a tendency in correlating spray forming with other semisolid processes such as liquid phase sintering (LPS) and rheocasting. In this article, the fundamental differences between spray forming and the other semisolid processes are discussed. Results show a unique thermal and solute profile on the deposit surface, resulting from the mixing of rapidly solidified metal formed during atomization and the solute-poor liquid formed by addition of the liquid of alloy composition, which contributes mainly to the microstructural evolution during spray forming. A simple experiment was designed to give supporting evidence to this view.

Item Type:	Journal Article
Publication:	Materials Science and Engineering A
Publisher:	Elsevier Science
Additional Information:	Copyright of this article belongs to Elsevier Science.
Keywords:	Spray forming;Semisolid;Microstructure.
Department/Centre:	Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited:	22 Jul 2009 10:25
Last Modified:	19 Sep 2010 04:54
URI:	http://eprints.iisc.ac.in/id/eprint/16990

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