Evaluation of damage growth in hybrid composites by AE energy measurement

Sundaresan, MJ and Ramachandra, HV and Sridhara, S and Naik, V and Sudheendra, HN (1983) Evaluation of damage growth in hybrid composites by AE energy measurement. In: International Symposium on Acoustic Emission from Reinforced Plastics,, 19-21 July 1983, San francisco, United States.

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Abstract

In order to understand the failure process in carbon-glass hybrid composites, tensile specimens made of carbon-epoxy, glass-epoxy and carbon-glass hybrid materials were quasi-statically loaded and acoustic emission signals from these specimens were analyzed. Both failure mode as well as AE characteristics of carbon-epoxy specimens were distinctly different from those of glass-epoxy specimens. In carbon-glass hybrid of 1:1 fiber ratio, the failure process appears to be dominated by the carbon fiber behavior.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Acoustic Emission;Composite Materials;Cumulative Damage; 13; Assessment;Failure Modes;Amplitude Distribution Analysis; Carbon13; FIBER REINFORCED PLASTICS; EPOXY MATRIX COMPOSITES; GLASS FIBER13; REINFORCED PLASTICS
Subjects: CHEMISTRY AND MATERIALS > Composite Materials
Division/Department: Structures Division, Structures Division, Structures Division, Engineering Services Division, Structures Division
Depositing User: Ms Indrani V
Date Deposited: 09 Jul 2007
Last Modified: 24 May 2010 09:55
URI: http://nal-ir.nal.res.in/id/eprint/4238

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