The Proceedings of the Materials and processing conference
Online ISSN : 2424-287X
2015.23
Session ID : 512
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512 Micromechanical Analysis of Macroscopic Dielectric Constants of Flake-Reinforced Composite Materials
Seiji NAKAYAMAShigetoshi ARAKI
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Abstract
Micromechanics is one of the effective methods to analyze the macroscopic fields induced in composite materials due to their microscopic structures. It can also be adopted to the problems of electric fields in addition to those of elastic fields. In this study, micromechanical analyses of the macroscopic dielectric constants and dielectric loss tangents of composite materials under the alternative electric field are performed by using the equivalent inclusion method. In modeling of the composite materials, the two-dimensional random distribution in three-dimensional space, which can be covered from the unidirectional distribution to the three-dimensional random one, is used for the zenith angle distribution of reinforcements. As a result, effects of the scatter of orientation of the flake-reinforcement on the macroscopic dielectric constant of the composite materials will be relatively small compared with that of the fiber-reinforcement.
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© 2015 The Japan Society of Mechanical Engineers
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