INVESTIGATION OF VACANCY DEFECTS ON THE YOUNG’S MODULUS OF CARBON NANOTUBE REINFORCED COMPOSITES IN AXIAL DIRECTION VIA A MULTISCALE MODELING APPROACH

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DAVOUDABADI M.R.; FARAHANI S.D.

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Journal: JOURNAL OF SOLID MECHANICS Year:2010 | Volume:2 | Issue:3 Page(s): 248-256

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Title

INVESTIGATION OF VACANCY DEFECTS ON THE YOUNG’S MODULUS OF CARBON NANOTUBE REINFORCED COMPOSITES IN AXIAL DIRECTION VIA A MULTISCALE MODELING APPROACH

Author(s)

DAVOUDABADI M.R. | FARAHANI S.D. | Issue Writer Certificate

Keywords

POLYMER MATRIX

CARBON NANOTUBES

NONLINEAR SPRING

MULTISCALE MODELING

DEFECT

INTER-PHASE

FINITE ELEMENT MODEL

Abstract

In this article, the influence of various vacancy DEFECTs on the Young’s modulus of carbon nanotube (CNT) - reinforcement polymer composite in the axial direction is investigated via a structural model in ANSYS software. Their high strength can be affected by the presence of DEFECTs in the nanotubes used as reinforcements in practical nanocomposites. Molecular structural mechanics (MSM) /finite element (FE) MULTISCALE MODELING of carbon nanotube/polymer composites with linear elastic POLYMER MATRIX is used to study the effect of CNT vacancy DEFECTs on the mechanical properties. The nanotube is modeled at the atomistic scale using MSM, whereas the interface we assumed to be bonded by Vander Waals interactions based on the Lennar- Jonze potential at the interface and POLYMER MATRIX. A NONLINEAR SPRING is used for modeling of interactions. It is studied for zigzag and armchair Nanotubes with various aspect ratios (Length/Diameter). Finally, results of the present structural model show good agreement between our model and the experimental work.

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APA: Copy

DAVOUDABADI, M.R., & FARAHANI, S.D.. (2010). INVESTIGATION OF VACANCY DEFECTS ON THE YOUNG’S MODULUS OF CARBON NANOTUBE REINFORCED COMPOSITES IN AXIAL DIRECTION VIA A MULTISCALE MODELING APPROACH. JOURNAL OF SOLID MECHANICS, 2(3), 248-256. SID. https://sid.ir/paper/319222/en

Vancouver: Copy

DAVOUDABADI M.R., FARAHANI S.D.. INVESTIGATION OF VACANCY DEFECTS ON THE YOUNG’S MODULUS OF CARBON NANOTUBE REINFORCED COMPOSITES IN AXIAL DIRECTION VIA A MULTISCALE MODELING APPROACH. JOURNAL OF SOLID MECHANICS[Internet]. 2010;2(3):248-256. Available from: https://sid.ir/paper/319222/en

IEEE: Copy

M.R. DAVOUDABADI, and S.D. FARAHANI, “INVESTIGATION OF VACANCY DEFECTS ON THE YOUNG’S MODULUS OF CARBON NANOTUBE REINFORCED COMPOSITES IN AXIAL DIRECTION VIA A MULTISCALE MODELING APPROACH,” JOURNAL OF SOLID MECHANICS, vol. 2, no. 3, pp. 248–256, 2010, [Online]. Available: https://sid.ir/paper/319222/en

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