Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/58665
Title: Regarding the SiC particulates size associated microstructural characteristics on the aging behavior of Al-4.5 Cu metallic matrix
Authors: Gupta, M. 
Lai, M.O. 
Boon, M.S.
Herng, N.S.
Keywords: A. carbides
A. composites
A. metals
C. electron microscopy
D. mechanical properties
Issue Date: 1998
Source: Gupta, M.,Lai, M.O.,Boon, M.S.,Herng, N.S. (1998). Regarding the SiC particulates size associated microstructural characteristics on the aging behavior of Al-4.5 Cu metallic matrix. Materials Research Bulletin 33 (2) : 199-209. ScholarBank@NUS Repository.
Abstract: In this study, aging characteristics of an aluminum-based metallic matrix reinforced with two different sizes of silicon carbide were investigated. The results showed similar aging kinetics in the case of unreinforced samples and composite samples containing coarser (34.4 μm) SiC particulates and accelerated aging kinetics in the case of composite samples containing finer (8 μm) SiC particulates. Results of microstructural characterization studies show that composite samples containing finer SiC particulates exhibited finer grain size, lower porosity, reduced cluster-to-particulate-size ratio, and superior interfacial integrity. The accelerated aging kinetics exhibited by composite samples containing a distribution of finer SiC particulates, when compared to the unreinforced and reinforced samples containing a distribution of coarser SiC particulates, were rationalized in terms of their microstructural characteristics. © 1998 Elsevier Science Ltd.
Source Title: Materials Research Bulletin
URI: http://scholarbank.nus.edu.sg/handle/10635/58665
ISSN: 00255408
Appears in Collections:Staff Publications

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