Effect of CNT length and CNT-matrix interphase in carbon nanotube (CNT) reinforced composites

被引：141

作者：

Wan, H

Delale, F

Shen, L

机构：

[1] CUNY City Coll, Dept Mech Engn, New York, NY 10031 USA

[2] CUNY, Grad Ctr, New York, NY 10031 USA

来源：

MECHANICS RESEARCH COMMUNICATIONS | 2005年 / 32卷 / 05期

关键词：

single-walled nanotube (SWNT); CNT reinforced composites; effective moduli; critical fiber length; load transfer;

D O I：

10.1016/j.mechrescom.2004.10.011

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The load transfer mechanisms and effective moduli of single-walled nanotube (SWNT) reinforced composites are studied using a continuum model. A "critical" fiber length is defined for full load transfer by numerically evaluating the strain-energy-changes for different fiber lengths. The effective longitudinal Young's modulus and bulk modulus of the composite are derived. The effect of the interphase is also discussed. The results indicate the fiber length is critical both to the load transfer efficiency and effective moduli of the composite. The SWNT-matrix interphase plays an important role in load transfer efficiency but affects the effective moduli only slightly. (c) 2004 Elsevier Ltd. All rights reserved.

引用

页码：481 / 489

页数：9

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