Results 1 to 10 of about 38,940 (240)

Polyimide aerogels for ballistic impact protection

open access: yesScientific Reports, 2022
The ballistic performance of edge-clamped monolithic polyimide aerogel blocks (12 mm thickness) has been studied through a series of impact tests using a helium-filled gas gun connected to a vacuum chamber and a spherical steel projectile (approximately ...
Sadeq Malakooti   +9 more
doaj   +3 more sources

Ballistics of Standard Fragments used for Testing Ballistic Protecting Shields [PDF]

open access: yesProblemy Mechatroniki, 2014
Some aspects of propelling systems and external ballistics for 5.56 mm and 20 mm standard fragments called also fragment simulating projectiles (FSP) used for determining the level of ballistic protection for ballistic protective shields are presented in
Andrzej WRÓBLEWSKI, Monika PRACHT
doaj   +2 more sources

Impact Behavior of the Ballistic Targets Package Composed of Dyneema Polymer and High Entropy Alloy Structures [PDF]

open access: yesArchives of Metallurgy and Materials, 2022
Ballistic targets are multi-material assemblies that can be made of various materials, such as metal alloys, ceramics, and polymers. Their role is to provide collective or individual ballistic protection against high-speed dynamic penetrators or kinetic ...
I. Voiculescu   +6 more
doaj   +1 more source

Ballistic resistance of bulletproof vests level IIIA. Development of testing methodology [PDF]

open access: yesMATEC Web of Conferences, 2020
This study presents the process of development of a methodology for testing the ballistic resistance of bulletproof vests. The methodology is especially intended for testing bulletproof vests with protection level IIIA, according to NIJ 0101.04.
Yaneva Svetlana
doaj   +1 more source

Ballistic properties of curaua-aramid laminated hybrid composites for military helmet

open access: yesJournal of Materials Research and Technology, 2023
The present research aimed to develop laminated hybrid-composite with aramid woven fabric and curaua non-woven mat, to evaluate the possibility of using as military ballistic helmets.
Natalin Michele Meliande   +6 more
doaj   +1 more source

The Concept of a Poly-Functional Ballistic Shield [PDF]

open access: yesProblemy Mechatroniki, 2020
Police and military units are employing the use of additional, portable protection in the form of various types of ballistic shields ever more often. They are not only used for protecting a single operator, but rather entire assault groups or bystanders.
Andrzej ZIŃCZUK
doaj   +1 more source

A Comparison of the Ballistic Performances of Various Microstructures in MIL-A-12560 Armor Steel

open access: yesMetals, 2020
Due to their advantageous properties, there is a growing interest in developing armor steels containing fully or partially bainitic microstructures. In this study, bainitic and martensitic microstructures were obtained in rolled homogeneous armor (RHA ...
Erkan Konca
doaj   +1 more source

Experimental study about the influence of adhesive stiffness to the bonding strengths of adhesives for ceramic/metal targets

open access: yesDefence Technology, 2016
The aim of the investigations presented here was to understand how the stiffness of the adhesive affects the failure of ceramic tiles adhered to metallic backings.
W. Seifert   +3 more
doaj   +1 more source

Ballistic performance and mechanism of B4C/Al laminated targets with different configurations

open access: yesJournal of Materials Research and Technology, 2023
The present paper explores the ballistic performance of B4C/6061Al laminated targets with the typical configurations of double-layer, sandwich and gradient impacted by 7.62 mm API projectile.
Run-wei Zhang   +11 more
doaj   +1 more source

Transparent glass–ceramics for ballistic protection: materials and challenges

open access: yesJournal of Materials Research and Technology, 2019
The military ballistic protection market has reached approximately US$ 10 billion/year, and the civil market is also very significant and is steadily increasing, which drives research for new ballistic protection alternatives.
Leonardo Sant’Ana Gallo   +4 more
doaj   +1 more source

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