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Investigation of bending modulus of fiber-reinforced syntactic foams for sandwich and structural applications

Karthikeyan, CS and Sankaran, S and Kishore, * (2007) Investigation of bending modulus of fiber-reinforced syntactic foams for sandwich and structural applications. In: Polymers for Advanced Technologies, 18 (3). pp. 254-256.

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Abstract

Polymer composite foams or syntactic foams containing 0.9, 1.76, 2.54, 3.54 and 4.5 vol% of E-glass short fibers were processed and subjected to a three-point bending test. The results show that the flexural modulus increased with fiber content, with the exception of 1.76% and 3.5% of fibers. This deviation was due to a higher void content for 1.76% and a non-uniform distribution of fibers in the polymer composite foam system for 3.5%. However, in general, the ncorporation of chopped strand fibers improved the flexural behavior of the syntactic foam system without much variation in density, thus making the reinforced syntactic foams act as improved core materials for sandwich and other structural applications.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to John Wiley & Sons, Ltd.
Keywords: syntactic foams;sandwich core;composites;hollow microspheres;bending modulus;glass fibers
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 02 Jun 2008
Last Modified: 27 Aug 2008 13:24
URI: http://eprints.iisc.ernet.in/id/eprint/14101

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