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Fabrication and Mechanical property Prediction of Carbon Nanotube Reinforced Aluminium Nanocomposites

N. Nouri, S. Ziaei-Rad, S. Adibi, F. Karimzadeh
Materials and Design 2012, 34, pp. 1–14

The use of carbon nanotubes (CNTs) in nanotechnology and leading industries is of extreme importance due to its various applications. One such application is producing Aluminum reinforced nanocomposites which may find applications in the aerospace and automobile industries. Scientists and engineers have, recently, concentrated increasing attention on the manufacturing and modeling of such materials. This paper deals with preparing Carbon Nanotube Reinforced Aluminum Nanocomposite (CNRAN) and predicting its mechanical and surface properties using the finite element method (FEM). To prepare the reinforced nanocomposite, a pre-alloyed powder was milled in a planetary ball mill under the argon atmosphere. Multi-wall carbon nanotubes (MWCNTs) were then added to the powder in a particular procedure. Next, a finite element model consisting of MWCNTs as the fibers and Aluminum as the matrix was constructed. A series of nano-indentation tests were carried out to obtain the mechanical and surface properties of the constructed material. The finite element models were then used to predict the results obtained from real indentation tests. The predicted hardness and elastic modulus from the FE model show good agreement with experimental findings.


Nanomaterials, Mechanical, Elastic behavior


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