Load transfer and deformation mechanisms in carbon nanotube-polystyrene composites

被引:2113
作者
Qian, D
Dickey, EC [1 ]
Andrews, R
Rantell, T
机构
[1] Univ Kentucky, Dept Chem & Mat Engn, Lexington, KY 40506 USA
[2] Univ Kentucky, Ctr Appl Energy Res, Lexington, KY 40511 USA
关键词
D O I
10.1063/1.126500
中图分类号
O59 [应用物理学];
学科分类号
摘要
Multiwall carbon nanotubes have been dispersed homogeneously throughout polystyrene matrices by a simple solution-evaporation method without destroying the integrity of the nanotubes. Tensile tests on composite films show that 1 wt % nanotube additions result in 36%-42% and similar to 25% increases in elastic modulus and break stress, respectively, indicating significant load transfer across the nanotube-matrix interface. In situ transmission electron microscopy studies provided information regarding composite deformation mechanisms and interfacial bonding between the multiwall nanotubes and polymer matrix. (C) 2000 American Institute of Physics. [S0003-6951(00)04120-6].
引用
收藏
页码:2868 / 2870
页数:3
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