海島構造を有する高分子系複合材料の巨視的損失係数のマイクロメカニックス解析(OS4-3 力学モデル,OS4 微視構造を有する材料の変形と破壊)

概要

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Macroscopic loss factor of a sea-island type polymer-based composite is calculated by using the equivalent inclusion method combined with the Mori-Tanaka theorem. The effects of the loss factor and elastic modulus of the island particle on the macroscopic loss factors of the composite are examined under the tensile applied stresses. The result obtained is compared with ' that calculated by the so-called modal strain energy method (MSE). Consequently, the present value of the macroscopic loss factor of the composite is good agreement with that of MSE when the aspect ratio of the particle is large. Moreover, it is found that an optimum range on the magnitude of the stiffness of the particle in the composite exists for its larger macroscopic loss factor when the aspect ratio of the particle w=1.
一般社団法人日本機械学会の論文
2004-07-20