Mixed mode I/II delamination analysis of rubber-modified glass-reinforced epoxy composites

Author:

Ghadami F1,Dadfar MR2,Zeraati A Shayesteh3

Affiliation:

1. School of Metallurgy and Materials, College of Engineering, University of Tehran, Tehran, Iran

2. Materials and Energy Research Center (MERC), Karaj, Iran

3. Polymeric Materials Research Group, Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran

Abstract

In this study, the effect of carboxyl-terminated butadiene-acrylonitrile liquid rubber on fracture toughness of glass-reinforced epoxy composites has been investigated. Fracture toughness tests were conducted in modes I, II and different mixed mode ratios. The data obtained from these tests have been analyzed by using different methods. Results indicated that interlaminar fracture toughness of composite specimens improved considerably through addition of carboxyl-terminated butadiene-acrylonitrile in modes I, II and mixed mode. Interlaminar fracture surfaces of the specimens were also characterized by field emission scanning electron microscope.

Publisher

SAGE Publications

Subject

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

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