Growth of carbon nanotubes on carbon fibre substrates to produce hybrid/phenolic composites with improved mechanical properties

被引：283

作者：

Mathur, R. B. ^{[1
]}

Chatterjee, Sourav ^{[2
]}

Singh, B. P. ^{[1
]}

机构：

[1] Natl Phys Lab, Div Engn Mat, Carbon Technol Unit, New Delhi 110012, India

[2] Delhi Coll Engn, Dept Polymer Technol, Delhi 110042, India

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2008年 / 68卷 / 7-8期

关键词：

carbon fibres; carbon nanotubes; hybrid composites; mechanical properties; chemical vapor deposition (CVD);

D O I：

10.1016/j.compscitech.2008.02.020

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Carbon nanotubes were grown by chemical vapor deposition (CVD) on different carbon fibre substrates namely, unidirectional (UD) carbon fibre tows, bi-directional (2D) carbon fibre cloth and three dimensional (3D) carbon fibre felt. These substrates were used as the reinforcement in phenolic resin matrix to develop hybrid CF-CNT composites. The growth morphology and other characteristics of the as grown tubes were analyzed by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and thermal gravimetry (TGA) which confirmed a copious growth of multiwalled carbon nanotubes (MWNTs) on these substrates. The mechanical properties of the hybrid composites was found to increase with the increasing amount of deposited carbon nanotubes. The flexural strength (FS) improved by 20% for UD, 75% for 2D and 66% for 3D hybrid composites as compared to that prepared by neat reinforcements (without CNT growth) under identical conditions. Flexural modulus (FM) of these composites also improved by 28%, 54% and 46%, respectively. (c) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1608 / 1615

页数：8

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