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Studies on compressive failure features in syntactic foam material

Gupta, N and Sankaran, S and Woldesenbet, E and Kishore, * (2001) Studies on compressive failure features in syntactic foam material. In: Journal of Materials Science, 36 (18). pp. 4485-4491.

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Syntactic foam made by mechanical mixing of glass hollow spheres in epoxy resin matrix is characterized for compressive properties in the present study. Volume fraction of hollow spheres in the syntactic foam under investigation is kept at 67.8%. Effect of specimen aspect ratio on failure behavior and stress-strain curve of the material is highlighted. Considerable differences are noted in the macroscopic fracture features of the specimen and the stress-strain curve with the variation in specimen aspect ratio, although compressive yield strength values were within a narrow range. Post compression test scanning electron microscopic observations coupled with the macroscopic observations taken during the test helped in explaining the deviation in specimen behavior and in gathering support for the proposed arguments.

Item Type: Journal Article
Publication: Journal of Materials Science
Publisher: Kluwer Academic Publishers
Additional Information: Copyright of this article belongs to Kluwer Academic Publishers.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 10 Nov 2011 04:26
Last Modified: 10 Nov 2011 04:26
URI: http://eprints.iisc.ac.in/id/eprint/39629

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