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Studies on the variations in compression strengths of graphite powders bearing glass-epoxy composites exposed to humid conditions

Kishore, * and Singh, VK (1999) Studies on the variations in compression strengths of graphite powders bearing glass-epoxy composites exposed to humid conditions. In: Journal of Reinforced Plastics and Composites, 18 (3). pp. 224-232.

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Official URL: http://jrp.sagepub.com/content/18/3/224.abstract

Abstract

The moisture absorption and changes in compression strengths in glass-epoxy (G-E composites without and with discrete quantities of graphite powders introduced into the resin mix prior to its spreading on specific glass fabric (layers) during the lay-up (stacking) sequence forms the subject matter of this report. The results point to higher moisture absorption for graphite bearing specimens. The strengths of graphite-free coupons show a continuous decrease, while the filler bearing ones show an initial rise followed by a drop for larger exposure times. Scanning Fractographic features were examined for an understanding of the process. The observations were explained invoking the effect of matrix plasticizing and the role of interfacial regions.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Sage Publications.
Keywords: compression strength;glass-epoxy;graphite powders;humid conditions
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 30 Jun 2011 07:47
Last Modified: 30 Jun 2011 07:47
URI: http://eprints.iisc.ernet.in/id/eprint/38814

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