CONTINUUM MODELING OF INTERFACES IN POLYMER MATRIX COMPOSITES REINFORCED BY CARBON NANOTUBES

Author:

JIANG LIYING1,TAN HONGLAI2,WU JIAN3,HUANG YONGGANG2,HWANG KEH-CHIH3

Affiliation:

1. Department of Mechanical and Materials Engineering, The University of Western Ontario, London, Ontario N6A 5B9, Canada

2. Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA

3. Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China

Abstract

The interface behavior may significantly influence the mechanical properties of carbon nanotube (CNT)-reinforced composites due to the large interface area per unit volume at the composite. The modeling of CNT/polymer interfaces has been a challenge in the continuum modeling of CNT-reinforced composites. This paper presents a review of recent progress to model the CNT/matrix interfaces via a cohesive law established from the van der Waals force. A simple, analytical cohesive law is obtained from the inter-atomic potential, and is used to study the effect of CNT/matrix interfaces on the macroscopic properties of CNT-reinforced composites.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,General Materials Science

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