EVALUATION OF EFFECTIVE MATERIAL PROPERTIES OF RANDOMLY DISTRIBUTED CARBON NANOTUBE COMPOSITES CONSIDERING INTERFACE EFFECT

Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

NCMII01_022

تاریخ نمایه سازی: 22 اردیبهشت 1393

Abstract:

The superlative mechanical properties of carbon nanotubes (CNTs) make them the filler material of choice for composite reinforcement. Substantial improvements in mechanical properties of polymers have been attained through the addition of small amounts of carbon nanotubes. The way in which CNTs are distributed inside the matrix can be divided into two main categories namely: aligned and randomly distributed. In this research the effect of both aligned and randomly distributed carbon nanotubes on the effective material properties of nanocomposite is investigated. In addition, effect of CNT/Matrix interface strength on the carbon nanotube reinforced polymer mechanical properties is considered. Theory of elasticity of anisotropic materials and finite element approach are used for the estimation of the effective material properties of randomly oriented carbon nanotube reinforced composites. Nanocomposite mechanical properties are evaluated using a square 3D nanoscale Representative Volume Element (RVE). RVEs consisting of aligned and randomly oriented CNTs are modeled to investigate the effects of nanotube dispersion on nanocomposite mechanical properties. The computational results indicated that mechanical properties of nanocomposite are remarkably dependent on the dispersion of the CNTs and also CNT/Matrix interface strength

Authors

Hossein Mamanpush

Mechanical Engineering Departement, University of Shahrekord, Shahrekord, Iran

Hossein Golestanian

Faculty of Engineering, University of Shahrekord, Shahrekord, Iran Nanotechnology Research Center, University of Shahrekord, Shahrekord, Iran

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