Results 31 to 40 of about 2,618 (239)

Ballistic performance of multilayered armor with intermediate polyester composite reinforced with fique natural fabric and fibers

open access: yesJournal of Materials Research and Technology, 2019
Multilayered Armor Systems (MASs) with a front ceramic followed by synthetic fabric are currently used against high velocity ammunition. In these armors, the front layer, which shatters the ceramic and spalls the bullet, is followed by an intermediate ...
Artur Camposo Pereira   +6 more
doaj   +1 more source

MetaMesh: A hierarchical computational model for design and fabrication of biomimetic armored surfaces [PDF]

open access: yes, 2014
Many exoskeletons exhibit multifunctional performance by combining protection from rigid ceramic components with flexibility through articulated interfaces. Structure-to-function relationships of these natural bioarmors have been studied extensively, and
Brainerd   +32 more
core   +1 more source

Evaluation of the Projectile's loss of Energy in Polyester Composite Reinforced with Fique Fiber and Fabric [PDF]

open access: yesMaterials Research, 2019
Firearms threat has always been a matter of personal concern, especially to soldiers in armed conflicts as well as police officers and civilians involved with public security.
Artur Camposo Pereira   +6 more
doaj   +1 more source

Ballistic behavior of epoxy matrix composites reinforced with piassava fiber against high energy ammunition

open access: yesJournal of Materials Research and Technology, 2020
Multilayered Armor Systems are low density plates used in personal protection against high-impact energy ammunition. Such system promotes effective protection, by dissipating the projectile energy and preventing the penetration of fragments.
Fabio Da Costa Garcia Filho   +5 more
doaj   +1 more source

Guaruman: a Natural Amazonian Fiber with Potential for Polymer Composite Reinforcement [PDF]

open access: yesMaterials Research, 2019
The Amazonian region of South America is known for its diversified number of plants from which food, medicine, wood and fibers have, since long time, been produced by local natives.
Miriane Alexandrino Pinheiro   +5 more
doaj   +1 more source

Kevlar fabric reinforced polybenzoxazine composites filled with silane treated microcrystalline cellulose in the interlayers: The next generation of multi-layered armor panels

open access: yesDefence Technology, 2022
The design of astonishing combinations of benzoxazine resins with various fillers is nowadays of great interest for high quality products, especially in ballistic armors.
Wissam Bessa   +3 more
doaj   +1 more source

Theoretical Analysis of Bulletproof Capability of Multilayer Ceramic Composites Subjected to Impact by an Armor Piercing Projectile

open access: yesAdvances in Materials Science and Engineering, 2021
Inspired by the theories of Tate and Zaera, a theoretical analysis model including the erosion of the projectile, the cracking of ceramic composites, and the deformation of metal backplate was established in this study to investigate the bulletproof ...
Yu-Liang Chen   +2 more
doaj   +1 more source

How the toughest inorganic fullerene cages absorb shockwave pressures in a protective nanocomposite: experimental evidence from two in situ investigations [PDF]

open access: yes, 2017
Nanocomposites fabricated using the toughest caged inorganic fullerene WS2 (IF-WS2) nanoparticles could offer ultimate protection via absorbing shockwaves; however, if the IF-WS2 nanomaterials really work, how they behave and what they experience within ...
Fang Xu   +8 more
core   +2 more sources

Experimental Study on Penetration of Small Caliber Ammunition into Different Multilayer Compact Armors [PDF]

open access: yesInternational Conference on Aerospace Sciences and Aviation Technology, 2017
Abstract: Nowadays Lightweight armor is very important and used in many applications. Through this study, Penetration behavior was studied through two different types of armors. The first one produced was lightweight composite armor with reducing the number of layers to less than 25 layers of Kevlar using polyurethane rubber resin with high impact and ...
Y. Abo El Amaim   +3 more
openaire   +1 more source

Performance of natural curaua fiber-reinforced polyester composites under 7.62 mm bullet impact as a stand-alone ballistic armor

open access: yesJournal of Materials Research and Technology, 2017
A multilayered armor system (MAS) is intended to personal protection against high kinetic energy ammunition. MAS layers are composed of materials such as a front ceramic and a back composite that must show both high impact resistance and low weight ...
Fábio de Oliveira Braga   +3 more
doaj   +1 more source

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