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Post-failure Analysis and Fractography of In-plane Tension-Tested Tufted Carbon Fabric-Reinforced Epoxy Composite Laminates

Masa, Suresh Kumar and Mallya, Ambresha Basappa and Dhanapal, Karuppanan and Ramachandra, Ranganath Vemulapad and Kishore, K (2015) Post-failure Analysis and Fractography of In-plane Tension-Tested Tufted Carbon Fabric-Reinforced Epoxy Composite Laminates. In: JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, 24 (4). pp. 1581-1586.

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Official URL: http://dx.doi.org/10.1007/s11665-015-1411-7

Abstract

Tufted and plain unidirectional carbon fabric-reinforced epoxy composite laminates were fabricated by vacuum-enhanced resin infusion technology and subjected to in-plane tensile tests with a view to study the changes in mechanical properties and failure responses. Owing to the presence of tufts in the laminates, both the tensile strength and modulus decrease by similar to 38 and similar to 20%, respectively, vis-A -vis the values recorded for plain composites. The fracture features point to the fact that though both the composites fail in brittle manner, they, however, exhibit differing fiber pull out lengths. Further, it was noticed that for the tufted ones, crack originates in the vicinity of tuft thread, spreads through the composite in a brittle manner, and results in a display of shorter fiber pull out lengths. These observations and other results are discussed in this paper.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
Keywords: carbon fabric-reinforced epoxy; failure analysis tensile property; tufted composite
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 23 Apr 2015 07:42
Last Modified: 23 Apr 2015 07:42
URI: http://eprints.iisc.ac.in/id/eprint/51360

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