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Ballistic impact behavior of carbon nanotube and nanosilica dispersed resin and composites

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Title Ballistic impact behavior of carbon nanotube and nanosilica dispersed resin and composites
 
Creator PANDYA, KS
AKELLA, K
JOSHI, M
NAIK, NK
 
Subject HIGH-VELOCITY IMPACT
MECHANICAL-PROPERTIES
ENERGY-ABSORPTION
TOUGHENING MECHANISMS
POLYMER COMPOSITES
EPOXY COMPOSITES
LOAD-TRANSFER
STRAIN RATES
FILLED EPOXY
IN-SITU
 
Description Experimental studies are presented on the ballistic impact behavior of nanoparticle dispersed materials viz. symmetric balanced cross-ply laminates made using unidirectional E-glass fabric with epoxy resin and neat epoxy resin. The nanoparticles used are nanosilica and multi-walled carbon nanotube for polymer matrix composites and nanosilica for epoxy resin. For comparison, studies are carried out on symmetric balanced cross-ply E-glass/epoxy and neat epoxy resin without nanoparticles. Effect of nanoparticle dispersion on ballistic limit velocity, V-50 and energy absorbed has been studied. It is observed that V-50 can be enhanced up to 6.3% for polymer matrix composites and up to 7.3% for neat resin on addition of nanoparticles. Also, energy absorbed can be increased up to 13.0% for polymer matrix composites and up to 15.2% for neat resin on addition of nanoparticles. Damage and energy absorbing mechanisms for different types of materials studied is also presented. Further, it is observed that the damage size on the target around the point of impact decreases on addition of nanoparticles. Quantitative data are given for high velocity impact behavior of the five types of specimens studied. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4769750]
 
Publisher AMER INST PHYSICS
 
Date 2014-10-15T13:33:57Z
2014-10-15T13:33:57Z
2012
 
Type Article
 
Identifier JOURNAL OF APPLIED PHYSICS, 112(11)
http://dx.doi.org/10.1063/1.4769750
http://dspace.library.iitb.ac.in/jspui/handle/100/15015
 
Language en