An Analytical Model of Stress-Transfer in the Nano-Composites with Debonding Interface

Abstract:

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An improved shear-lag analytical model has been established to study stress transfer in carbon nanotube (CNT) reinforced polymer matrix composites with and without debonding interface. The Poisson’s effect and radial effect of matrix is considered in the model for the first time, and a simplified 2D representative volume element (RVE) is modeled using a four-phase composite composed of matrix, nanotube, bonded, and debonded interfaces in this analysis, and the axial stress for CNT and matrix and interfacial shear stress along the CNT is predicted. The results show that load transfer efficiency in CNT reinforced composites is affected by the debonding length, and the abrupt change of shear stress is existent at the tip of debonding interface.

Info:

Periodical:

Advanced Materials Research (Volumes 163-167)

Edited by:

Lijuan Li

Pages:

4599-4603

DOI:

10.4028/www.scientific.net/AMR.163-167.4599

Citation:

W. L. Zhu et al., "An Analytical Model of Stress-Transfer in the Nano-Composites with Debonding Interface", Advanced Materials Research, Vols. 163-167, pp. 4599-4603, 2011

Online since:

December 2010

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Price:

$35.00

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