Influence of nano-modification on the mechanical and electrical properties of conventional fibre-reinforced composites

被引：527

作者：

Gojny, FH ^{[1
]}

Wichmann, MHG ^{[1
]}

Fiedler, B ^{[1
]}

Bauhofer, W ^{[1
]}

Schulte, K ^{[1
]}

机构：

[1] Tech Univ Hamburg, Polymer Composites Sect, D-21073 Hamburg, Germany

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2005年 / 36卷 / 11期

关键词：

glass fibres; strength; electrical properties; damage mechanics; resin transfer moulding (RTM);

D O I：

10.1016/j.compositesa.2005.02.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Carbon nanotubes (CNTs) exhibit a high-potential for the reinforcement of polymers. The mechanical properties of potential matrices of fibre-reinforced polymers (FRP), such as epoxy resins, were significantly increased by low contents of carbon nanotubes (CNT) (tensile strength, Young's modulus and fracture toughness). Nano-particle-reinforced FRPs, containing carbon black (CB) and CNTs could successfully be manufactured via resin transfer moulding (RTM). A filtering effect of the nano-particles by the glass-fibre bundles was not observed. The glass-fibre-reinforced polymers (GFRP) with nanotube/epoxy matrix exhibit significantly improved matrix-dominated properties (e.g. interlaminar shear strength), while the tensile properties were not affected by the nano-fillers, due to the dominating effect of the fibre-reinforcement. The GFRP containing 0.3 wt% amino-functionalised double-wall carbon nanotubes (DWCNT-NH2) exhibit an anisotropic electrical conductivity, whereas the conductivity in plane is one order of magnitude higher than out of plane. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：1525 / 1535

页数：11

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