Reliability evaluation of Carbon-Nanotube-Reinforced-Polymer composites based on multiscale finite element model

2019 ◽  
Vol 229 ◽  
pp. 111381 ◽  
Author(s):  
Jorge Alberto Palacios ◽  
Rajamohan Ganesan
Keyword(s):  
Finite Element ◽  
Carbon Nanotube ◽  
Finite Element Model ◽  
Polymer Composites ◽  
Element Model ◽  
Reliability Evaluation ◽  
Reinforced Polymer ◽  
Multiscale Finite Element

Electrothermomechanical Modeling and Analyses of Carbon Nanotube Polymer Composites

2013 ◽  
Vol 135 (2) ◽  
Author(s):  
S. Xu ◽  
O. Rezvanian ◽  
M. A. Zikry
Keyword(s):  
Finite Element ◽  
Carbon Nanotube ◽  
Polymer Composites ◽  
Volume Fraction ◽  
Electron Tunneling ◽  
Three Dimensional ◽  
Fe Modeling ◽  
Aspect Ratios ◽  
Reinforced Polymer ◽  
Polymer Dispersions

A new finite element (FE) modeling method has been developed to investigate how the electrical-mechanical-thermal behavior of carbon nanotube (CNT)–reinforced polymer composites is affected by electron tunneling distances, volume fraction, and physically realistic tube aspect ratios. A representative CNT polymer composite conductive path was chosen from a percolation analysis to establish the three-dimensional (3D) computational finite-element (FE) approach. A specialized Maxwell FE formulation with a Fermi-based tunneling resistance was then used to obtain current density evolution for different CNT/polymer dispersions and tunneling distances. Analyses based on thermoelectrical and electrothermomechanical FE approaches were used to understand how CNT-epoxy composites behave under electrothermomechanical loading conditions.

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