粘弾性特性による複合材料の疲労解析(<特集>高分子系複合材料)

概要

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Altough several methods have been proposed to evaluate interfacial bonding properties of composite material, they have some disadvantages and a useful evaluation method has not been established. The purpose of this paper is to propose and show an evaluation method of bonding properties and damage of the interface of composites. From the point of view of the rheological properties of composites in which interfacial bonding largely affects, the analyses were done by using a standard solid model. It was shown that the difference in interfacial bonding corresponded to the coefficients of elements in the model. Two types of treatment on fibers, which gave different interfacial bonding properties, reflected on the coefficients of elements. The evaluation was made during the fatigue process of composites, and gave useful informations on fatigue mechanism other than simple decrease in modulus. This method was also proved to give fatigue life prediction.
社団法人日本材料学会の論文
1995-04-15