Effects of hygrothermal on the mechanical properties of advanced fibre hybrid composites

Gopalan, R and Dattaguru, B (1989) Effects of hygrothermal on the mechanical properties of advanced fibre hybrid composites. In: 7th International Conference on Composite Materials, Nov 1989, Guanghou, China.

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Abstract

Hygrothermal effects on neat resin and advanced composites with simple (Carbon, Kevlar) and hybrid (Carbon/Kevlar) fibers were studied before and after exposure to water immersion at 343 K for 800 hours. The degradation in the mechanical properties and the change in failure process were determined. A torsional test rig was used to determine the hygrothermal effects on neat resin. Acoustic emission and SEM techniques were employed to study the failure process. The experimental investigations revealed a significant change in the failure process in the composites in addition to the degradation in the mechanical properties, due to hygrothermal effects.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Failure analysis;Fiber composites;Hydrothermal stress analysis;Hygral properties;Mechanical properties;Resin matrix composities;Acoustic emission; Photomicrographs; Torsion;Water immersion
Subjects: CHEMISTRY AND MATERIALS > Composite Materials
Division/Department: Advanced Composites Division, Other
Depositing User: shankar sk nadoor
Date Deposited: 18 Oct 2006
Last Modified: 24 May 2010 09:52
URI: http://nal-ir.nal.res.in/id/eprint/3127

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