Tensile properties and fracture behavior of carbon nanotube-sheets/carbon fibers epoxy-impregnated bundle composites

被引：1
作者：
Naito, Kimiyoshi [1 ,2 ]
Nagai, Chiemi [1 ]
Shirasu, Keiichi [2 ]
Shimamura, Yoshinobu [3 ]
Inoue, Yoku [4 ]
机构：
[1] Natl Inst Mat Sci NIMS, Res Ctr Struct Mat, Polymer Matrix Hybrid Composite Mat Grp, 1-2-1 Sengen, Tsukuba, Ibaraki 3050047, Japan
[2] Tohoku Univ, Dept Aerosp Engn, Sendai, Miyagi, Japan
[3] Shizuoka Univ, Dept Mech Engn, Shizuoka, Japan
[4] Shizuoka Univ, Dept Elect & Elect Engn, Shizuoka, Japan
来源：
POLYMERS & POLYMER COMPOSITES | 2022年 / 30卷
关键词：
Carbon fibers; polymer composite; carbon nanotube; epoxy; tensile properties; MECHANICAL-PROPERTIES; POLYACRYLONITRILE; STRENGTH; MODULUS; ENHANCEMENT; ANISOTROPY; TOUGHNESS; SHEETS;
D O I：
10.1177/09673911221109436
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
An interesting technique for modifying carbon fiber-reinforced polymer matrix composites is through hybridization with carbon nanotubes (CNTs). Carbon nanotubes sheets/carbon fibers offer potential benefits of nanoscale reinforcement to the well-established fibrous composites by creating multiscale hybrid micro-nano composites. In this study, the tensile properties of high tensile strength polyacrylonitrile (PAN)- and high modulus pitch-based carbon fiber-reinforced polymer matrix composites incorporating CNT sheets (CNT-sh/CFs/Ep-H: CNT sheets/carbon fibers/epoxy hybrid composites) were investigated. To fabricate CNT sheets, CNT was vertically grown on a quartz glass plate by chemical vapor deposition. A solid-state drawing and winding technique was applied to transform the vertically aligned CNT array into horizontally aligned CNT sheets. The tensile modulus of the CNT-sh/CFs/Ep-H was higher than that of the composite in the as-received state (CFs/Ep: carbon fibers/epoxy bundle composite). The tensile strength of the CNT-sh/PAN-based CF/Ep-H was lower than that of the PAN-based CF/Ep, whereas the tensile strength of the CNT-sh/pitch-based CF/Ep-H was higher than that of the pitch-based CF/Ep.
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页数：11
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