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Effects of microballoons’ size and content in epoxy on compressive strength and modulus

Kishore, * and Shankar, Ravi and Sankaran, S (2006) Effects of microballoons’ size and content in epoxy on compressive strength and modulus. In: Journal of Materials Science, 41 (22). pp. 7459-7465.

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Five slabs containing volume of microballoons ranging from 33.4 to 51.5% and all belonging to a size range of 65–100 lm were made. In order to study the effect of size range, another slab, but belonging to a broader range of 44–175 lm, was also cast, where in the microballoons’ content was 40.1% by volume. The first set of five slabs showed a decrease in compressive strength from 82.4 to 58 MPa as the microballoons’ content increased. A similar trend was observed for modulus values also. The work further showed that the samples from the narrower size range display a higher strength. Microscopic examinations revealed crushing of microballoons for the highest microballoons’ case while for the least microballoons bearing sample, deformation marks were visible on the epoxy matrix.

Item Type: Journal Article
Publication: Journal of Materials Science
Publisher: Springer Netherlands
Additional Information: Copyright of this article belongs to Springer Netherlands.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 11 Jan 2007
Last Modified: 19 Sep 2010 04:33
URI: http://eprints.iisc.ac.in/id/eprint/9260

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