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Formation of solidification microstructures in centrifugal cast functionally graded aluminium composites

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dc.contributor.author Rajan, T P D
dc.contributor.author Pai, B C
dc.date.accessioned 2013-11-11T10:58:02Z
dc.date.available 2013-11-11T10:58:02Z
dc.date.issued 2009
dc.identifier.citation Transactions of the Indian Institute of Metals 62(4-5):383-389;Oct 2009 en_US
dc.identifier.issn 0019-493X
dc.identifier.uri http://ir.niist.res.in:8080/jspui/handle/123456789/721
dc.description.abstract A large number of engineering components and structures demand location specific performance under service conditions. A gradual transition in the microstructure or composition can motivate the changes in the functions of the specific locations for meeting the requirements and these tailored materials are termed as functionally graded materials (FGM). Centrifugal casting has emerged as the simplest and cost effective technique for producing large size engineering components of functionally graded metal matrix composites. The present paper describes the formation of different types of gradient solidification microstructures in SiC, B(4)C, SiC-graphite hybrid, primary silicon, Mg(2)Si and Al(3)Ni reinforced functionally graded aluminium composites processed by centrifugal casting and correlate the microstructures with materials and processing parameters. The densities and size of the reinforcements play a major role in the formation of graded microstructures, the high density particles/phases both SiC and Al(3)Ni form gradation towards the outer periphery and low density particles like graphite, primary silicon and Mg(2)Si form gradation towards inner periphery. The B(4)C particle having closer density to Al alloy has given more scattered distribution compare to other systems. However, functionally graded composite containing the SiC and Graphite particles has shown gradation towards inner periphery. en_US
dc.language.iso en en_US
dc.publisher Springer en_US
dc.subject Functionally graded materials en_US
dc.subject Centrifugal casting en_US
dc.subject Metal matrix composites en_US
dc.subject Aluminium en_US
dc.title Formation of solidification microstructures in centrifugal cast functionally graded aluminium composites en_US
dc.type Article en_US

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