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Seawater Durability of Epoxy/Vinyl Ester Reinforced with Glass/Carbon Composites

Murthy, Narasimha HN and Sreejith, M and Krishna, M and Sharma, SC and Sheshadri, TS (2010) Seawater Durability of Epoxy/Vinyl Ester Reinforced with Glass/Carbon Composites. In: Journal of Reinforced Plastics and Composites, 29 (10). pp. 1491-1499.

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Official URL: http://jrp.sagepub.com/cgi/content/abstract/073168...

Abstract

Seawater aging response was investigated in marine-grade glass/epoxy, glass/vinyl ester, carbon/epoxy and carbon/vinyl ester composites with respect to water uptake, interlaminar shear strength, flexural strength, tensile strength, and tensile fracture surface observations. The reduction of mechanical properties was found to be higher in them initial stages which showed saturation in the longer durations of seawater immersion. The flexural strength and ultimate tensile strength (UTS) dropped by about 35% and 27% for glass/epoxy, 22% and 15% for glass/vinyl ester, 48% and 34% for carbon/epoxy 28%, and 21% carbon/vinyl ester composites respectively. The water uptake behavior of epoxy-based composites was inferior to that of the vinyl system.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Sage Publications.
Keywords: polymer-matrix composites (PMCs);seawater degradation; mechanical properties
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Date Deposited: 23 Jun 2010 09:53
Last Modified: 23 Jun 2010 09:53
URI: http://eprints.iisc.ernet.in/id/eprint/28354

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