Affiliation:
1. Department of Materials Engineering Technion-Israel Institute of Technology, Haifa, Israel
Abstract
An experimental technique was developed to determine the condi tions for the onset of reinforcement unbonding in composite materials. The technique is based upon the continuous measurement of the dynamic moduli and damping of tensile specimens. The samples are subjected to low amplitude longitudinal and torsional oscillations superimposed on the tensile loading. Experiments were performed at room temperature on quartz particle filled resin specimens. The results for specimens with epoxy binder indicated that unbonding did not occur prior to overall failure. Those for the polyester specimens, however, showed that early particle separation occurred under certain conditions.
Subject
Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites
Cited by
79 articles.
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