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Processing and microstructures of 3D woven-fabric composites incorporating solid rods by Wen-Shyong Kuo; Kuo-Bing Cheng is a Engineering article available to read on EtoBox.

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This work has two objectives. The ®rst is to examine the processability of incorporating pultruded rods in three-dimensional woven fabrics. A weaving set-up for this purpose has been developed. The second objective is to characterize the microstructures of the composites and to assess the merits and limitations associated with the rods. Three types of fabric have been made in this study. The ®rst is a 3-axis orthogonal type combining the rods in the axial direction. The second type has a similar structure except that the rods are also used in the widthwise direction. The third is the addition of two o-axis weaving yarns to the ®rst type, resulting in a 5-axis structure. Material processing involves rod pultrusion, fabric formation, and resin impregnation. Both Kevlar and carbon tows have been used in the rods and weaving yarns. A series of specimens with varying bundle size of the weaving yarns have been made. No pressing force was applied during resin transfer molding to preserve the as-formed fabric con®guration. According to the micrographs, the rods are essentially free of distortion, while two kinds of local deformation have been identi®ed in the yarns. Unit cells are selected

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Author

Wen-Shyong Kuo; Kuo-Bing Cheng

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0266-3538)

Published

1999

Language

EN

Field

Engineering (Physical Sciences)