三次元強化繊維複合材料解析手法の研究　第１報　引張弾性定数の解析

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タイトル別名
  • The Study of Analytical Method for Three-Dimensional Composite Materials. 1st Report, Evaluation of Tensile Elastic Modulus.
  • 3ジゲン キョウカ センイ フクゴウ ザイリョウ カイセキ シュホウ ノ ケン

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説明

This paper describes an analytical method for evaluating the elastic properties of three-dimensional fiber reinforced composite materials on the basis of a micromechanical analysis of a unit cell structure. The unit cell is a small repeating geometrical unit of fiber bundles. A special feature of this study is to treat the unit cell as a rigid frame structure constructed of fiber-beam and matrix-beam elements. This analytical structure model can faithfully represent actual fiber composition. For two types of carbon/epoxy three-dimensional composite test pieces cut out of I-beam structure, the tensile elastic moduli are computed by finite element method. Comparisons between analytical and experimental results are also made. This analytical method shows good agreement with the experimental data.

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