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Ballistic impact behavior of 2D plain weave fabric targets with multiple layers: Analytical formulation

DSpace at IIT Bombay

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Title Ballistic impact behavior of 2D plain weave fabric targets with multiple layers: Analytical formulation
 
Creator SHAKTIVESH
NAIR, NS
NAIK, NK
 
Subject YARN PULL-OUT
ENERGY-ABSORPTION
ANALYTICAL-MODEL
THICK COMPOSITES
WOVEN FABRICS
PERFORMANCE
PROJECTILE
ARMOR
PENETRATION
PERFORATION
Fabric target
ballistic impact
stress wave propagation in porous medium
energy balance
energy absorbing mechanisms
conical deformation
 
Description An analytical formulation is presented for the prediction of ballistic impact behavior of fabric targets. The formulation is based on stress wave propagation in porous medium and energy balance between the rigid projectile and the fabric target. During the ballistic impact event, energy lost by the projectile is absorbed by the fabric target through various damage and energy absorbing mechanisms such as compression of the fabric target directly below the projectile, compression in the region surrounding the impacted zone, shear plugging, stretching and tensile failure of yarns/layers in the region consisting of primary yarns, tensile deformation of yarns/layers in the region consisting of secondary yarns, conical deformation on the back face of the fabric target, in-plane friction between the warp and fill yarns and through the thickness friction between the moving projectile and the fabric target. The formulation presented considers both shear plugging and tensile failure of yarns during conical deformation and is valid for a wide range of fabric target thicknesses. Solution procedure for the evaluation of ballistic impact performance is presented. Further, experimental results are presented for the validation of analytical predictions. A good match is observed between the analytical predictions and the experimental results.
 
Publisher SAGE PUBLICATIONS LTD
 
Date 2016-01-15T10:05:44Z
2016-01-15T10:05:44Z
2015
 
Type Article
 
Identifier INTERNATIONAL JOURNAL OF DAMAGE MECHANICS, 24(1)116-150
1056-7895
1530-7921
http://dx.doi.org/10.1177/1056789514524074
http://dspace.library.iitb.ac.in/jspui/handle/100/18326
 
Language en