Finite Element Investigation of the Geometrical Parameters of Waviness Carbon Nanotube on Directional Young’s and Shear Elastic Modulus of Polymer Nanocomposites

The present study focuses on the characterization of directional mechanical properties of the polymer matrix reinforced with waviness carbon nanotubes (CNTs) by the finite element method. Young’s and shear elastic modulus in three dimensions have been investigated for representative volume element i...

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Bibliographic Details
Published in:Journal of the Institution of Engineers (India): Series D 2023-12, Vol.104 (2), p.609-622
Main Authors: Eghbalian, Mohsen, Ansari, Reza, Bidgoli, Mostafa Omidi, Rouhi, Saeed
Format: Article
Language:English
Subjects:
Carbon nanotubes
Engineering
Finite element method
Mechanical properties
Modulus of elasticity
Nanocomposites
Original Contribution
Parameters
Polymers
Shear
Waviness
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Summary:The present study focuses on the characterization of directional mechanical properties of the polymer matrix reinforced with waviness carbon nanotubes (CNTs) by the finite element method. Young’s and shear elastic modulus in three dimensions have been investigated for representative volume element including straight and waviness (5,5) and (7,7) CNTs with considering the interfacial interaction. These mechanical properties with the alteration of the different parameters such as the number of curves of a CNT, diameter, and length to diameter ratio ( L / D ) have been evaluated. The results show that the number of curves, and overall assuming a CNT in its natural state (more curves), significantly impact the longitudinal and directional elastic modulus of nanocomposites. Most outcomes confirm that the transverse Young's and shear elastic modulus of nanocomposites grow and reduce by adding the number of curves and the L / D ratio of CNTs, correspondingly. In addition, the opposite effect is observed in the longitudinal direction for Young’s modulus.
ISSN:2250-2122
2250-2130
DOI:10.1007/s40033-022-00414-1