Effect of Ply Thickness on Damage Development Behavior of Thermoplastic Woven Fabric Composites Using Spread Yarns

FRTP is highly recyclable and suitable for mass production. In addition, by using the spread yarns treated in a wide and thin state as the woven structure, it is expected that the generation of voids at the time of impregnation will be reduced and the mechanical properties will be improved, and the...

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Bibliographic Details
Published in:Journal of Textile Engineering 2021/10/15, Vol.67(5), pp.91-98
Main Authors: FUJIMOTO, Mayu, MUKOYAMA, Kazutaka, LI, Xingsheng, HANAKI, Koushu, KURASHIKI, Tetsusei
Format: Article
Language:eng ; jpn
Subjects:
Damage
Damage development behavior
FEM
Finite element method
Impregnation
Mass production
Material nonlinearity
Material properties
Mathematical models
Mechanical properties
Ply thickness
Spread yarns
Thermoplastic resins
Thickness
Woven CFRTP
Woven fabrics
Yarn
Yarns
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Summary:FRTP is highly recyclable and suitable for mass production. In addition, by using the spread yarns treated in a wide and thin state as the woven structure, it is expected that the generation of voids at the time of impregnation will be reduced and the mechanical properties will be improved, and the impregnation time will be shortened. In this study, the effect of ply thickness on a damage development behavior of woven CFRTP using spread yarns was investigated by FEM based on damage mechanics. Firstly, finite element models of the woven structure with different ply thickness changed from the conventional yarns to the spread yarns were created. Secondary, as the material properties of the model, that of the UD material were applied to the fiber bundle, and the material nonlinear model based on stress dependence of the thermoplastic resin was applied to the matrix. Finally, damage development analysis was carried out on those models. As a result, it was clarified that the damage development behavior in the fiber bundle and in the matrix differs depending on the ply thickness.
ISSN:1346-8235
1880-1986
DOI:10.4188/jte.67.91