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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Casati, R. |
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Kočí, Jan | Prague |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Abbasi, Ali
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article
An analytical approach to determine coefficients of thermal expansion of CNT/polymer nanocomposites
Abstract
<jats:p> In this study, thermo-mechanical properties of CNT/polymer nanocomposite were investigated. Semi-continuum analytical method was used to simulate thermal behavior of CNT-reinforced polymers. CNT was modeled in an atomistic scale, whereas polymer was modeled as a continuum. Interfacial effects or the Van Der Waals interactions between matrix and CNT were simulated employing cohesive strength. The results indicate that using the cohesive law for CNT/polymer interface could provide very close results to the available experimental data. Also, adding a small quantity of CNTs to polymer leads to a slight decrease in the radial and axial thermal expansion coefficients of polymer matrix depending on temperature, volume fraction, aspect ratio, and also diameter of CNTs. </jats:p>