참고문헌
- Textile Ind. S.M.Suckecki
- 44th All Indai Textile Conference B.C.Goswami
- U.S.Pat., 4,615,256 Fukuda(et al.)
- Manufacture of Multi-Layer Woven Preforms M.H.Mohamed
- 3차원 직물 복합재료의 역학적 성질 홍성각;김범준;강태진;육종일
A hand operative three-dimensional weaving machine was built to study the effect of the geometry of the preform on the mechanical properties of the 3-D woven fabric composite material. Based on the geometrical model of three-dimensional woven fabric, weaving parameters including overall dimensions, yarn run-in, reed density and take-up rate are determined from a yarn spacing and the member of yarns interlaced in X-, Y-, and Z-directions. Fiber volume fraction of warp, filing and Z-yarns are obtained as a function of linear density of the reinforced fiber, yarn spacing, and contraction of each yarn. The maximum fiber volume fraction was calculated to be 68.0 f for balanced 3-D woven fabric when yarns assuming circular cross-sections.