Results 271 to 280 of about 14,989 (305)
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Ballistics of Transversely Impacted Fibers
Textile Research Journal, 1977The rate-independent theory of transverse impact of textile fibers is reviewed and cast in a form that provides convenient preliminary guidance to designers of impact-resistant textile structures. It is shown that energy-absorption rate increases monotonically with fiber modulus, but that decreased ductility at high modulus may result in an optimum ...
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Effect of ballistic impacts on batteries and the potential for injury
BMJ Military Health, 2019Introduction On military operations, ballistic impact damage is possible to lithium ion (Li-ion) batteries worn on the body by military personnel and the potential for exothermic reactions may result in injury. This paper investigated the effect of impact on batteries that might be worn in front or behind body ...
Alex Rabbitt, I Horsfall, D J Carr
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Journal of Forensic Sciences, 2014
AbstractModern ballistic helmets defeat penetrating bullets by energy transfer from the projectile to the helmet, producing helmet deformation. This deformation may cause severe injuries without completely perforating the helmet, termed “behind armor blunt trauma” (BABT).
Karin A, Rafaels +11 more
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AbstractModern ballistic helmets defeat penetrating bullets by energy transfer from the projectile to the helmet, producing helmet deformation. This deformation may cause severe injuries without completely perforating the helmet, termed “behind armor blunt trauma” (BABT).
Karin A, Rafaels +11 more
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IEEE Transactions on Electron Devices, 2008
A drift-diffusion-like formulation for including ballistic and quasi-ballistic transport in the simulation of double-gate MOSFETs has been implemented in a technology computer-aided design (TCAD) simulator. This model is based on a description of the quasi-ballistic mobility through a dynamical description of the mean free path.
Martinie, Sebastien +4 more
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A drift-diffusion-like formulation for including ballistic and quasi-ballistic transport in the simulation of double-gate MOSFETs has been implemented in a technology computer-aided design (TCAD) simulator. This model is based on a description of the quasi-ballistic mobility through a dynamical description of the mean free path.
Martinie, Sebastien +4 more
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Ballistic Impact Testing of Composite Structures
Earth & Space 2006, 2006This article deals with techniques which have been developed to study the behavior of composite materials and structures under high speed ballistic impact conditions at the NASA Glenn Research Center (GRC) Ballistic Impact Facility. The techniques include launching systems, fixture methods, imaging systems and instrumentation systems.
J. Michael Pereira +2 more
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On the Ballistic Impact of Textile Body Armor
Journal of Applied Mechanics, 1975A mathematical model is developed and methods of analysis are formulated for determining the structural response of textile fabric flat panels subjected to ballistic impact by a dense projectile. A stepwise procedure in time is formulated which is suitable for either desk calculator use or for a digital computer in calculating strains, projectile ...
J. R. Vinson, J. A. Zukas
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Crack behavior of ballistically impacted ceramic
AIP Conference Proceedings, 2000A hot isostatically pressed (HIP) assembly of titanium alloy encapsulated AD995 ceramic, subjected to ballistic impact, is studied in detail. The crack behavior of ceramic confined in this way is studied in a combined experimental and computational effort. Fabrication of the HIP assembly is described.
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Polybenzoxazine Composites for Ballistic Impact Applications
2013This chapter discusses the utilization of polybenzoxazine/urethane alloys with fine-tuning properties for ballistic impact composite application. The ballistic impact study of KevlarTM fiber-reinforced polybenzoxazine alloys under the test weapon with standard 124 grains round lead projectile and a copper outer coating (Full Metal Jacket) typically ...
Sarawut Rimdusit +2 more
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Synthesis of Nanocomposites by Ballistic Impaction of Nanoparticles
Design, Synthesis, and Applications, 2005We are investigating ballistic impact assembly of nanoparticles to form a new class of materials for superhard coatings and micromolded MEMS parts. Nanoparticles are generated by dissociating vapor-phase reactants injected downstream of a thermal plasma and expanding the resultant flow through a converging nozzle into a low-pressure chamber.
R. Mukherjee +7 more
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Ballistic Impact of Single and Spaced Plates
1972Abstract : The report summarizes some results of FY72 research task. The investigation has attempted to provide a basic understanding of plate impacts. Three categories of ballistic effects have been considered, viz., perforation without shatter, perforation with shatter and no perforation with shatter.
Yun K. Huang, William P. Dunn
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