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Effects of surface treatments and size of fly ash particles on the compressive properties of epoxy based particulate composites

Kulkarni, SM and Kishore, * (2002) Effects of surface treatments and size of fly ash particles on the compressive properties of epoxy based particulate composites. In: Journal of Materials Science (full set), 37 (20). pp. 4321-4326.

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Abstract

Particulate reinforcements for polymers are selected with dual objective of improving composite properties and save on the total cost of the system. In the present study fly ash, an industrial waste with good properties is used as filler in epoxy and the compressive properties of such composites are studied. Particle surfaces are treated chemically using a silane-coupling agent to improve the compatibility with the matrix. The compressive properties of these are compared with those made of untreated fly ash particulates. Furthermore properties of fly ash composites with two different average particle sizes are first compared between themselves and then with those made using the as-received bimodal nature of particle size distribution. Microscopic observations of compression tested samples revealed a better adherence of the particles with the matrix in case of treated particles and regards the size effect the composites with lower average particle size showed improved strength at higher filler contents. Experimental values of strengths and modulii are compared with some of the theoretical models for composite properties. (C) 2002 Kluwer Academic Publishers.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Others
Date Deposited: 20 Jul 2011 08:22
Last Modified: 20 Jul 2011 08:22
URI: http://eprints.iisc.ernet.in/id/eprint/39160

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