Journal ArticleDOI
Experimentation and modeling of inclined ballistic impact in thick polycarbonate plates
TLDR
In this article, a 3D transient non-linear adiabatic finite element simulation is performed using the commercial software Abaqus 6.9-EF1 for the penetration and perforation of a polycarbonate (PC) plate by an armor piercing 7.62mm projectile.About:
This article is published in International Journal of Impact Engineering.The article was published on 2011-10-01. It has received 30 citations till now. The article focuses on the topics: Projectile & Ballistic impact.read more
Citations
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Journal ArticleDOI
Design and material selection guidelines and strategies for transparent armor systems
TL;DR: A brief overview and discussion of the basic transparent armor architectures, functional layers and transparent materials is provided and a set of design and material selection guidelines is proposed.
Journal ArticleDOI
Impact of thick PMMA plates by long projectiles at low velocities. Part I: Effect of head’s shape
Daniel Rittel,A. Dorogoy +1 more
TL;DR: A hybrid experimental-numerical investigation of the penetration process in thick polymethylmethacrylate (PMMA) plates was carried out in this article, where the response of such plates to the impact of long hard steel projectiles having either blunt, hemispherical or ogive-head shapes was investigated experimentally in the range of velocities of 100m/s.
Journal ArticleDOI
Investigation of bullet penetration in ballistic gelatin via finite element simulation and experiment
TL;DR: In this article, the deformation processes and damages in the human body caused by high-speed impact were analyzed and quantitatively analyzed for bullet penetration into viscoelastic ballistic gelatin blocks.
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Predicting the low-velocity impact behavior of polycarbonate: Influence of thermal history during injection molding
TL;DR: In this article, the influence of thermal history experienced during injection molding on the low-velocity impact behavior of polycarbonate (PC) is investigated, and an integrated methodology consisting of prediction of the processing-induced yield stress and finite element simulation of the impact behavior is proposed.
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Stress wave and damage propagation in transparent materials subjected to hypervelocity impact
Nobuaki Kawai,Nobuaki Kawai,S. Zama,S. Zama,W. Takemoto,W. Takemoto,Kairi Moriguchi,Kairi Moriguchi,Kazuyoshi Arai,Sunao Hasegawa,Eiichi Sato +10 more
TL;DR: In this paper, the impact-induced damage process is visualized by employing the Edge-on-Impact technique coupled with an ultra-high-speed video camera, which clearly shows how stress wave propagate and interact each other, and how damages form and propagate during hypervelocity-impact event.
References
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Journal ArticleDOI
On the conversion of plastic work to heat during high strain rate deformation of glassy polymers
TL;DR: In this article, the authors investigated the thermomechanical behavior of glassy polymers (PC) deformed at strain rates ranging from 5000 to 8000 s ˇ1, and the temperature was assessed using small embedded thermocouples whose applicability to transient measurements has been recently revisited.
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An overview of the theory of hydrocodes
TL;DR: The concept of artificial viscosity is introduced to permit the continuum code to deal with the discontinuities of shocks and the question of how to best represent the continuum equations on a finite computer is answered by summarizing the topics of accuracy and stability.
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The Temperature Dependence of Yield of Polycarbonate in Uniaxial Compression and Tensile Tests
TL;DR: In this paper, the tensile yield stress was compared with the uniaxial compression yield stress for specimens of polycarbonate tested at constant strain rate from −120 to + 120°C.
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High Strain-Rate Shear Response of Polycarbonate and Polymethyl Methacrylate
TL;DR: In this paper, the authors measured the high strain rate response of polycarbonate and polymethyl methacrylate (PMMA) and found that the fracture stress for both materials obeys a thermal activation rate theory of Eyring type.
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The design of mosaic armour: The influence of tile size on ballistic performance
TL;DR: In this paper, the authors show that there is a critical dimension of tile that should be used in a silicon carbide-based ceramic-faced mosaic armour system design to ensure optimum system performance when each tile is struck centrally.