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Microstructure control and wear of Al2O3-SiC-(Al,Si) composites made by melt oxidation

Jayaram, Vikram and Manna, Rampada and Kshetrapal, Manjunath G and Sarkar, Jaydeep and Biswas, Sanjay K (1996) Microstructure control and wear of Al2O3-SiC-(Al,Si) composites made by melt oxidation. In: Journal of the American Ceramic Society, 79 (3). pp. 770-772.

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Official URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1151-...


Ceramic matrix composites of Al2O3-SiC-(Al,Si) have been fabricated by directed melt oxidation of aluminum alloys into SiC particulate preforms. The proportions of Al2O3, alloy, and porosity in the composite can be controlled by proper selection of SLC particle size and the processing temperature. The wear resistance of composites was evaluated in pin-on-disk experiments against a hard steel substrate. Minimum wear rate comparable to conventional ceramics such as ZTA is recorded for the composition containing the highest fraction of alloy, owing to the development of a thin and adherent tribofilm with a low coefficient of friction.

Item Type: Journal Article
Publication: Journal of the American Ceramic Society
Publisher: John wiley and sons
Additional Information: Copyright of this article belongs to John wiley and sons.
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 03 May 2011 06:29
Last Modified: 03 May 2011 06:29
URI: http://eprints.iisc.ac.in/id/eprint/37364

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