Three-dimensional microstructural design of woven fabric composite material by homogenization method

Naoki Takano, Masaru Zako

研究成果: Conference article査読

3 被引用数 (Scopus)

抄録

The strength of woven fabric composite materials depends on the microstructural geometry. However, the conventional methods for mechanical analysis, which have been widely used so far, are insufficient because they cannot take into account for the three-dimensional microstructure. In this study, three-dimensional homogenization method is shown to be effective for the evaluations of the material constants, microscopic stresses and the strength. It has been found that the transverse stresses in the direction of lamination play an important role for the fracture of both fiber bundle and resin. Also, the effect of the mismatched lay-up on the strength has been investigated. It has well been predicted that the mismatched lay-up causes the reduction of the strength and the difference of crack initiation in the resin. These simulations give us a new concept of the microstructural design of the composite materials.

本文言語English
ページ(範囲)141-146
ページ数6
ジャーナルAmerican Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
302
出版ステータスPublished - 1995
外部発表はい
イベントProceedings of the 1995 Joint ASME/JSME Pressure Vessels and Piping Conference - Honolulu, HI, USA
継続期間: 1995 7 231995 7 27

ASJC Scopus subject areas

  • 機械工学

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