Topic
Projectile
About: Projectile is a research topic. Over the lifetime, 13047 publications have been published within this topic receiving 115563 citations.
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TL;DR: In this paper, the impact resistance of ultra-high performance cement based composites (UHPCC) with the additions of steel fibers and basalt coarse aggregates was investigated experimentally by conducting the high-speed projectile penetration tests with the broad striking velocities from 510 to 1320m/s.
98 citations
TL;DR: In this paper, the experimental results pertinent to the penetration of steel plates of varying hardness in the range HV295-HV520 and of thickness 20 and 80 mm by ogive-shaped 20mm-diameter projectiles over the velocity range 300-800 m s −1.
97 citations
05 Dec 2005-Materials Science and Engineering A-structural Materials Properties Microstructure and Processing
TL;DR: In this article, the ballistic impact behavior of composite targets depends upon target geometrical and material parameters as well as projectile parameters, and the effect of stress wave transmission factor is studied.
Abstract: Polymer matrix composites undergo various loading conditions during their service life. For the effective use of such materials for high performance applications, their behaviour under impact/ballistic impact loading should be clearly understood. This is because the polymer matrix composites are susceptible to impact/ballistic impact loading. Ballistic impact behaviour of composite targets depends upon target geometrical and material parameters as well as projectile parameters. In the present study, investigations on the ballistic impact behaviour of two-dimensional woven fabric E-glass/epoxy composites are presented as a function of projectile and target parameters. The ballistic impact behaviour predictions are based on the analytical method presented in our earlier work [N.K. Naik, P. Shrirao, Composite structures under ballistic impact, Compos. Struct. 66 (2004) 579]. Firstly, perforation and partial penetration of the projectile into the target and cone formation on the exit side of the target are studied. Further, effect of stress wave transmission factor is studied. The other parameters considered are: thickness of the target and mass and diameter of the projectile. Ballistic limit, contact duration at ballistic limit and residual velocity are presented as a function of different target and projectile parameters.
96 citations
Patent•
07 Apr 2000
TL;DR: In this article, a non-lethally inhibiting a living target, multi-functional launching devices for delivering the non-lethal projectile systems to a target, methods of assembling the nonlethal projectiles, and tactical methods of the use of the non lethal projectile are discussed.
Abstract: A non-lethal projectile system for non-lethally inhibiting a living target, multi-functional launching devices for delivering the non-lethal projectile systems to a target, methods of assembling the non-lethal projectiles, and tactical methods of the use of the non-lethal projectile, the non-lethal projectile consists of a projectile body to be impacted with a living target and an inhibiting substance within the projectile body, wherein upon impact with the target, the inhibiting substance is dispersed on and about the target. In a variation, the projectile body ruptures upon impact releasing the substance. In another variation, the inhibiting substance is a powdered substance comprising a powdered pepper derived substance, for example, oleoresin capsicum or capsaicin.
96 citations
TL;DR: A series of low and high velocity impact tests have been undertaken on a number of CFRP laminates in order to assess the influence of the projectile mass upon the impact response and subsequent loadbearing capability of a composite structure.
96 citations