The role of the epoxy resin : curing agent ratio on composite interfacial strength and thermal performance

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Minty, Ross F. and Thomason, James L. and Yang, Liu (2016) The role of the epoxy resin : curing agent ratio on composite interfacial strength and thermal performance. In: European Conference on Composite Materials - ECCM 17, 2016-06-26 - 2016-06-30.

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Abstract

This paper focuses on analyzing the interfacial and thermal properties of an epoxy resin glass fibre reinforced composite. The interface was studied using the microbond test to investigate interfacial shear strength values while thermo-mechanical analysis and differential scanning calorimetry were used to find variations in the glass transition temperature and coefficient of thermal expansion. For both, the role of the epoxy resin: curing agent ratio was studied to see if it influenced fibre-matrix adhesion and whether it had similar effects on thermal properties. It was found that the epoxy resin: curing agent ratio did indeed influence both interfacial and thermal properties, with maximum performance occurring around the stoichiometric point.

ORCID iDs

Minty, Ross F. ORCID logoORCID: https://orcid.org/0000-0002-3729-5215, Thomason, James L. ORCID logoORCID: https://orcid.org/0000-0003-0868-3793 and Yang, Liu ORCID logoORCID: https://orcid.org/0000-0001-8475-1757;
CORE (COnnecting REpositories)