Spectrum analysis of acoustic emission signals from carbon-glass hybrid composites

Madhava, MR and Sudheendra, HN (1989) Spectrum analysis of acoustic emission signals from carbon-glass hybrid composites. In: World Meeting on Acoustic Emission, 20-23 Mar 1989, North Carolina, USA.

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Abstract

The use of a simple acoustic emission (AE) technique to study the failure process in carbon-glass hybrid composites is studied. The technique incorporates an unconventional frequency spectrum analysis procedure. The frequency spectrum of AE signals was recorded during the tensile testing of composite specimens. It is found that, in the case of glass-epoxy composites, the high frequency components begin to appear at earlier stages in the load cycle compared to those observed in carbon-epoxy composites.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Acoustic emission;Carbon fiber reinforced plastics;Glass fiber reinforced plastics;Spectrum analysis;Tensile tests;Failure analysis;Graphite-epoxy composites
Subjects: ENGINEERING > Quality Assurance and Reliability
Division/Department: Structures Division, Structures Division
Depositing User: M/S ICAST NAL
Date Deposited: 31 Mar 2008
Last Modified: 24 May 2010 09:55
URI: http://nal-ir.nal.res.in/id/eprint/4433

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