A study on mechanical behavior of functionally-graded carbon nanotube-reinforced nanocomposites

Bafekrpour, Ehsan, Yang, Chunhui, Simon, George P., Abvabi, Akbar, Khoshmanesh, Khashayar and Fox, Bronwyn L. 2014, A study on mechanical behavior of functionally-graded carbon nanotube-reinforced nanocomposites, International journal of computational methods, vol. 11, no. Supplement 1, pp. 1-20, doi: 10.1142/S0219876213440039.

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Title A study on mechanical behavior of functionally-graded carbon nanotube-reinforced nanocomposites
Author(s) Bafekrpour, Ehsan
Yang, Chunhui
Simon, George P.
Abvabi, Akbar
Khoshmanesh, Khashayar
Fox, Bronwyn L.
Journal name International journal of computational methods
Volume number 11
Issue number Supplement 1
Start page 1
End page 20
Total pages 20
Publisher World Scientific Publishing
Place of publication Singapore
Publication date 2014-11
ISSN 0219-8762
Keyword(s) beams
carbon nanotubes
finite element modeling (FEM)
first-order shear theory
Functionally-graded nanocomposites
Science & Technology
Physical Sciences
Engineering, Multidisciplinary
Mathematics, Interdisciplinary Applications
Summary In this study, we are focusing on the investigation of the effects of gradient patterns on mechanical behavior of functionally-graded carbon nanotube-reinforced nanocomposites and considering typical beams made of such nanocomposites. Both analytic and finite element-based numerical models were developed. Analytic model was developed based on the first-order shear deformation and Timoshenko beam theories meanwhile finite element models were developed using Abaqus in conjunction with user-defined subroutines for defining the continuously gradient material properties for different gradient patterns. Position-dependent elastic modulus equations for four continuously graded patterns were studied. A nongraded pattern was used for benchmarking with the same geometry and total carbon nanotube (CNT) contents. For validation and verification, the results on both deflection and stress of these nanocomposite beams were analyzed, which clearly showed high influence from gradient patterns on these mechanical behaviors of such beams.
Language eng
DOI 10.1142/S0219876213440039
Field of Research 091307 Numerical Modelling and Mechanical Characterisation
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, World Scientific Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30067656

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