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Analysis of Geometrical Parameters using CAD System for 3-D Braided Preform

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Authors
Kang, Tae Jin; Kim, Sungjun; Jung, Kyungho
Issue Date
2008-10
Publisher
SAGE Publications
Citation
Tex. Res. J., 78(10), 922-935 (2008)
Keywords
3-D braided perfompreform geometryCAD systemsbraid processing variables
Abstract
To estimate the precise mechanical properties of the three-dimensional (3-D) braided composite, a geometric study of a 3-D braided preform was performed. Describing yarn paths using third-order spline curves, which are close to the real pathway of the 3-D braided structure, the unit cells and the representative volume elements were determined. Finally, the CAD system for the 3-D circular braided preform was developed following these modeling sequences and applied to the parametric study of the preforms. A parametric study was conducted on the important geometric factors such as yarn retraction factor, yarn orientation angle, and yarn volume fraction and the theoretical maximum yarn volume fraction was determined. Using the developed CAD system, the relationships between processing variables and geometric parameters have been established
ISSN
0040-5175
Language
English
URI
http://hdl.handle.net/10371/7401
DOI
https://doi.org/10.1177/0040517507081307
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Material Science and Engineering (재료공학부) Journal Papers (저널논문_재료공학부)
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