Abstract
Various textile materials have been employed in the past for protection against the ballistic with only limited satisfaction without realizing in underlying mechanism of ballistic impact. The multicomponent fabrics was prepare by nylon yarn with plain constraction with thickness of 0.18 mm. The multicomponent fabrics were made 35 layers (laminated) with various thickness. A computational constitutive model has been developed to characterize the progressive failure behaviours of multicomponent fabrics with jalaba structure as reinforcement under high velocity impact conditions. Test result indicates that multicomponent fabric with jalaba structure can reach second level of International Standar of NIJ-010104 for hand gun (revolver) at shoot distance 5 meters. If compared with panel from biotextile composite the multicomponent fabrics have advantages in structure stability, flexibility, lightly and confortable. The integrated modeling was sucessful utilized to predict the damage and ballistic bihavior of multicomponent fabrics to various ballistic impact conditions.
Highlights
Ballistic protection is a class of protective cloting which aims at protecting the individuals from the bullets and steel fraghment from hand held weapons and exploding munitions
Due to the fact that ballistic protection process is a complex phenomenon involving the transverse velocity, tensile properties and the fine structure, this article a brief account of multicomponent fabrics used for the desinging of ballistic protective clothing with JaLaBa structure.The analysis penetration and ballistic modeling of multicomponent fabrics has been discussed
The fill and warp fiber tensile damage are given by the quadratic inter-action between the associated axial and through the thickness tesile strains as follow; Where SxT and SyT are axial tensile strength in the fill and wrap directions and SxFS and SyFS are layer multicomponent fabric shear strengths due to fiber shear failure in the fill and wrap directions
Summary
Ballistic protection is a class of protective cloting which aims at protecting the individuals from the bullets and steel fraghment from hand held weapons and exploding munitions. The use of armour to protect the personal has a long history and dates back to time immemorial. As the man developed for better clothing for protection. The best known method of protecting the human body in old days from all kinds of missile was to use a hard rigid material which resisted the penetration and dissipated the load of impact. With the advent of synthetic textiles better ballistic protective systems have been developed. The basic idea of spreading the load over a large area is still applied, because it is better to dissipate the energy of impact by deformation and breaking the protective material (Aboot, 1999). Nylon fabric, which has high work of rupture was thought to be ideal for ballistoc protection. It became very clear that simple rupture is not the only creterion for ballistic protection. Due to the fact that ballistic protection process is a complex phenomenon involving the transverse velocity, tensile properties and the fine structure, this article a brief account of multicomponent fabrics used for the desinging of ballistic protective clothing with JaLaBa structure.The analysis penetration and ballistic modeling of multicomponent fabrics has been discussed
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