A pull-out model for perfectly bonded carbon nanotube in polymer composites

Ahmed, Khondaker; Ang, Kok

doi:10.2140/jomms.2012.7.753

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A pull-out model for perfectly bonded carbon nanotube in polymer composites

Khondaker Sakil Ahmed and Ang Kok Keng

Vol. 7 (2012), No. 8-9, 753–764

DOI: 10.2140/jomms.2012.7.753

Abstract

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A pull-out model for carbon nanotube (CNT) reinforced composite is presented to obtain the interface characteristic in which perfect bonding at the interface is considered. In the model, a partially embedded CNT in a cylindrical polymer matrix is subjected to an axial load at the open end. By using representative volume element (RVE) concept, analytical solutions are derived for axial and interfacial shear stresses in the CNT. Parametric studies are also conducted to obtain the influence of aspect ratio, modulus ratio and relative size of RVE on stress components. Variation of critical pull-out stress with embedded length and CNT/polymer Young’s modulus ratio are also investigated.

Keywords

perfectly bonded interface, representative volume element, stress transfer, aspect ratio, critical pull-out stress

Milestones

Received: 2 April 2012

Revised: 29 September 2012

Accepted: 16 October 2012

Published: 23 January 2013

Authors

Khondaker Sakil Ahmed
Department of Civil and Environmental Engineering 1 Engineering Drive 2 National University of Singapore Singapore 117576

Ang Kok Keng
Department of Civil and Environmental Engineering 1 Engineering Drive 2 National University of Singapore Singapore 117576

Vol. 7, No. 8-9, 2012

Khondaker Sakil Ahmed and Ang Kok Keng

Abstract

Keywords

Milestones

Authors