Time-temperature failure analysis of epoxies and unidirectional glass/epoxy composites in compression

Padmanabhan, K (1996) Time-temperature failure analysis of epoxies and unidirectional glass/epoxy composites in compression. Composites Part A: applied Science and Manufacturing, 27 (8). pp. 585-596. ISSN 1359-835X

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Abstract

Time-temperature effects in axial and non-axial compression tests of epoxies of two different formulations and their unidirectional glass fibre-reinforced composites were studied with emphasis on deformation characteristics, macro- and micromechanical aspects of failure, fibre-matrix interfacial failure sequences and comparison between fracture at constant crosshead velocity and constant strain rate. The existing theories and models of Argon, Bowden and Kitagawa for the deformation characteristics of glassy amorphous polymers were compared with the molecular and mechanical deformation of epoxies and their composites. Failure mode transitions and the possibility of a thermodynamical explanation for the crack propagation modes in epoxies were also investigated

Item Type: Journal Article
Uncontrolled Keywords: Failure analysis;Epoxy resins;Glass fiber reinforced;Plastics;Compression testing;13; Thermal effects;Deformation;Failure (mechanical);Interfaces (materials);Fracture;Strain rate13; Mathematical models
Subjects: MATHEMATICAL AND COMPUTER SCIENCES > Mathematical and Computer Scienes(General)
Division/Department: Centre for Civil Aircraft Design and Development
Depositing User: Ms Indrani V
Date Deposited: 20 Apr 2007
Last Modified: 24 May 2010 09:55
URI: http://nal-ir.nal.res.in/id/eprint/4155

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