scholarly journals Molecular dynamics simulation for the analysis of mechanical properties and effect of Stone-Wales and bi-vacancy defect on carbon nanotube reinforced iron composites

2021 ◽  
Author(s):  
Raashiq Ishraaq ◽  
Santosh Chhetri ◽  
Omkar Gautam ◽  
Shahriar Muhammad Nahid ◽  
A. M. Afsar
Keyword(s):  
Mechanical Properties ◽  
Molecular Dynamics ◽  
Carbon Nanotube ◽  
Molecular Dynamics Simulation ◽  
Vacancy Defect ◽  
Dynamics Simulation

Effect of temperature on properties of aluminum/single-walled carbon nanotube nanocomposite by molecular dynamics simulation

2019 ◽  
Vol 234 (2) ◽  
pp. 635-642 ◽  
Author(s):  
Mohsen Motamedi ◽  
AH Naghdi ◽  
SK Jalali
Keyword(s):  
Mechanical Properties ◽  
Molecular Dynamics ◽  
Carbon Nanotube ◽  
Molecular Dynamics Simulation ◽  
Young’S Modulus ◽  
Young's Modulus ◽  
Strain Curve ◽  
Dynamics Simulation ◽  
Effect Of Temperature ◽  
Metal Composite

Composite materials have become popular because of high mechanical properties and lightweight. Aluminum/carbon nanotube is one of the most important metal composite. In this research, mechanical properties of aluminum/carbon nanotube composite were obtained using molecular dynamics simulation. Then, effect of temperature on stress–strain curve of composite was studied. The results showed by increasing temperature, the Young’s modulus of composite was decreased. More specifically increasing the temperature from 150 K to 620 K, decrease the Young’s modulus to 11.7%. The ultimate stress of composite also decreased by increasing the temperature. A continuum model of composite was presented using finite element method. The results showed the role of carbon nanotube on strengthening of composite.

Effect of Defects on Oscillatory Behaviors of Double-Walled Carbon Nanotube Oscillators

2011 ◽  
Vol 308-310 ◽  
pp. 584-588
Author(s):  
Jian Li
Keyword(s):  
Molecular Dynamics ◽  
Carbon Nanotube ◽  
Molecular Dynamics Simulation ◽  
Friction Force ◽  
Vacancy Defect ◽  
Defect Size ◽  
Dynamics Simulation ◽  
Vacancy Defects ◽  
The Core ◽  
Temperature Dependences

Molecular dynamics simulation is performed on the inter-tube friction force and energy dissipation of double-walled carbon nanotube oscillators with vacancy defects. It is found that there are vacancy defect-size and temperature dependences of the friction force between the inner tube and the defective outer tube. The original distance between the “hole” formed by the vacancy carbon atoms and the inserted end of the core has a significant influence on the oscillation profile.

Sign in / Sign up

Export Citation Format

Share Document