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Compressive behavior and fracture features of rubber bearing glass-epoxy composites exposed to aqueous media

Kishore, * and Maiti, A (2001) Compressive behavior and fracture features of rubber bearing glass-epoxy composites exposed to aqueous media. In: Journal of Reinforced Plastics and Composites, 20 (17). pp. 1546-1554.

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Official URL: http://jrp.sagepub.com/content/20/17/1546.abstract


Epoxy systems containing HTBN rubber material and reinforced with E-glass fibres, exposed to a fixed time duration in three separate media were subjected to compressive mode of deformation. The yield stress and fractographic features noted on the compression failed samples are reported in this work. The experiment reveals that the seawater exposed sample exhibits a drop in strength compared to dry (unexposed) sample. This kind of drop is maintained if the media is changed from seawater to distilled water. When HCl is included in seawater. the experiment shows a small rise in strength value. These changes have been attributed to various factors like medium ingress into samples assisting interface failure, the larger-sized Cl- influencing the extent of diffusion of medium into system and finally their participation in the deformation phenomena. The fractographic features reveal interface separations that show either scattered debris or a cleaner surface or display a whitish-coated matrix region depending on whether the tests are done on unexposed samples or on ones following the immersion in the media.

Item Type: Journal Article
Publication: Journal of Reinforced Plastics and Composites
Publisher: Sage Publications
Additional Information: Copyright of this article belongs to Sage Publications.
Keywords: glass-epoxy;compressive behavior;fracture features;aqueous media;media ingress;HTBN rubber;interface failure.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 02 Aug 2011 08:28
Last Modified: 02 Aug 2011 08:28
URI: http://eprints.iisc.ac.in/id/eprint/39518

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