Tensile Properties of Glass Rovings/Hydroxyl Terminated Polyester Toughened Epoxy Composites

Author:

Rajulu A. Varada1,Kumar S. V. Sanjeev1,Rao G. Babu1,Shashidhara G. M.2,He Jiasong3,Zhang Jun3

Affiliation:

1. Department of Polymer Science and Technology, Sri Krishnadevaraya University, Anantapur 515 003, India

2. Department of Polymer Science and Technology, S.J. College of Engineering, Mysore 570 006, India

3. State Key Laboratory of Engineering Plastics, Center for Molecular Science, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100080 P.R. China

Abstract

Epoxy was toughened with 5% hydroxyl terminated polyester and different layers of glass woven rovings were reinforced into this matrix. Their tensile strength was determined. The variation of the tensile strength with weight fraction of the rovings was studied. The tensile strength was found to increase with rovings content. The morphology of the cryogenically fractured surfaces indicated good bonding between the matrix and the reinforcement when a coupling agent was used.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

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