Improvement of high-velocity impact properties of anisogrid stiffened composites by multi-walled carbon nanotubes

2017 ◽  
Vol 18 (5) ◽  
pp. 965-970 ◽  
Author(s):  
Reza Eslami-Farsani ◽  
Alireza Shahrabi-Farahani
Keyword(s):  
Carbon Nanotubes ◽  
High Velocity ◽  
High Velocity Impact ◽  
Impact Properties ◽  
Velocity Impact ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

High velocity impact response of carbon nanotubes-reinforced composite sandwich panels

2017 ◽  
Vol 22 (2) ◽  
pp. 303-324 ◽  
Author(s):  
Zahra Naghizadeh ◽  
Mehdi Faezipour ◽  
Mohammad Hossein Pol ◽  
Gholamhossein Liaghat ◽  
Ali abdolkhani
Keyword(s):  
Carbon Nanotubes ◽  
High Velocity ◽  
Sandwich Panels ◽  
Nylon 6 ◽  
Impact Response ◽  
Ballistic Limit ◽  
High Velocity Impact ◽  
Velocity Impact ◽  
Damage Area ◽  
Multi Walled Carbon Nanotubes

Effect of adding carboxyl-modified multi-walled carbon nanotubes (COOH-MWCNTs) on the high velocity impact of sandwich panels with plywood core and two different facesheets, E-glass/epoxy and E-glass/ nylon 6, was investigated in this study. Facesheets were prepared with and without COOH-MWCNTs. Three different weight percentages of 0.3, 0.5, and 1 wt% of COOH-MWCNTs were used to reinforce epoxy and nylon 6 polymers. The sandwich panels’ estimated ballistic limit ( Vbl) and impact energy absorbed ( Eab) were determined by subjecting them to impact velocities in their ballistic limit range and above by conical nose projectile. It was found that the sandwich panels containing E-glass/ epoxy facesheets exhibited more energy absorption than those containing E-glass/nylon 6 facesheets. Moreover, the high velocity impact response of sandwich panels improved with the increase of COOH-MWCNT content. Besides, the damage area for different types of materials studied is presented, and it is observed that at a given impact velocity, the damage size on the rear facesheet of target around the point of impact decreases on addition of COOH-MWCNTs.

Deformation and damage mechanisms of multiwalled carbon nanotubes under high-velocity impact

2008 ◽  
Vol 59 (5) ◽  
pp. 499-502 ◽  
Author(s):  
Srinivasa R. Bakshi ◽  
Virendra Singh ◽  
D. Graham McCartney ◽  
Sudipta Seal ◽  
Arvind Agarwal
Keyword(s):  
Carbon Nanotubes ◽  
Multiwalled Carbon Nanotubes ◽  
High Velocity ◽  
High Velocity Impact ◽  
Multiwalled Carbon ◽  
Damage Mechanisms ◽  
Velocity Impact
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