The properties of dry-spun carbon nanotube fibers and their interfacial shear strength in an epoxy composite

被引：77
|
作者：
Deng, Fei [1 ,2 ]
Lu, Weibang [1 ,2 ]
Zhao, Haibo [3 ]
Zhu, Yuntian [3 ]
Kim, Byung-Sun [4 ]
Chou, Tsu-Wei [1 ,2 ]
机构：
[1] Univ Delaware, Dept Mech Engn, Newark, DE 19716 USA
[2] Univ Delaware, Ctr Composite Mat, Newark, DE 19716 USA
[3] N Carolina State Univ, Dept Mat Sci & Engn, Raleigh, NC 27695 USA
[4] Korea Inst Mat Sci, Composite Mat Res Grp, Chang Won 641010, South Korea
来源：
CARBON | 2011年 / 49卷 / 05期
关键词：
YARNS;
D O I：
10.1016/j.carbon.2010.12.061
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Continuous fibers composed of carbon nanotubes have been adopted as reinforcements for polymeric composites. This paper presents several fundamental studies relevant to the mechanical behavior of CNT fibers, including fiber tensile behavior; in situ SEM observation of fiber deformation mechanisms; and fiber modulus, ultimate strength and fracture strain measurements. A modified Weibull strength distribution model that takes into account the flaw density variation with fiber diameter has been adopted for the statistical strength analysis. The interfacial shear strength between the carbon nanotube fiber and the epoxy matrix has been measured using fragmentation tests of single-fiber composites. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1752 / 1757
页数：6
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