Thermomechanical Properties of the Polymeric Nanocomposite Predicted by Molecular Dynamics

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Hadipeykani Majid; Aghadavoudi Farshid; TOGHRAIE DAVOOD

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY Year:2019 | Volume:12 | Issue:4 Page(s): 25-32

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Title

Thermomechanical Properties of the Polymeric Nanocomposite Predicted by Molecular Dynamics

Author(s)

Hadipeykani Majid | Aghadavoudi Farshid | TOGHRAIE DAVOOD | Issue Writer Certificate

Keywords

CNT

Epoxy

Molecular Dynamics

Nanocomposite

Thermomechanical Property

Abstract

A Molecular Dynamics simulation study is employed to investigate the elastic and basic thermal properties of thermoset polymer based Nanocomposite sample reinforced by CNT. The COMPASS force filed was used to construct the simulation box. The simulation box contains the cured Epoxy resin molecules obtained from cross linking process of DGEBA and DETA which were located around the CNT (10, 10). NVT and NPT ensembles were performed to equilibrate the system and convergence of temperature, energy and density have been checked. The elastic constants of molecular sample of Nanocomposite were determined based on stiffness matrix and compared with the molecular results of pure resin. The results show that the Young's modulus in the transverse direction of Nanocomposite model is less than that in longitudinal direction indicating the transversely isotropic behaviour at atomic scale. Glass transition temperature (Tg) and coefficient of thermal expansion (CTE) were calculated through the linear fitting of densitytemperature diagram for the CNT-reinforced Nanocomposite model. Atomistic simulation results showed decrease in Tg and CTE comparing to the pure Epoxy. Moreover, the simulation results were compared with the measured values and good agreements are observed.

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APA: Copy

Hadipeykani, Majid, Aghadavoudi, Farshid, & TOGHRAIE, DAVOOD. (2019). Thermomechanical Properties of the Polymeric Nanocomposite Predicted by Molecular Dynamics. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, 12(4), 25-32. SID. https://sid.ir/paper/739483/en

Vancouver: Copy

Hadipeykani Majid, Aghadavoudi Farshid, TOGHRAIE DAVOOD. Thermomechanical Properties of the Polymeric Nanocomposite Predicted by Molecular Dynamics. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY[Internet]. 2019;12(4):25-32. Available from: https://sid.ir/paper/739483/en

IEEE: Copy

Majid Hadipeykani, Farshid Aghadavoudi, and DAVOOD TOGHRAIE, “Thermomechanical Properties of the Polymeric Nanocomposite Predicted by Molecular Dynamics,” INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, vol. 12, no. 4, pp. 25–32, 2019, [Online]. Available: https://sid.ir/paper/739483/en

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