Results 61 to 70 of about 75,589 (197)

Microstructure characteristic of spray formed 7055 Al alloy subjected to ballistic impact by two different steel core projectiles impact

open access: yesJournal of Materials Research and Technology, 2019
7055 aluminium (Al) alloy was synthesized by spray forming followed by hot extrusion, later subjected to (T6 & T74) aging treatments and its mechanical properties were examined.
Muhammad Abubaker Khan   +7 more
doaj   +1 more source

Numerical analysis of ballistic impact performance of two ceramic-based armor structures

open access: yesComposites Part C: Open Access, 2020
This paper investigates ballistic performance of two different ceramic-based armor designs using finite element analysis. The first design is a bi-layer armor consists of a ceramic front layer and a Kevlar-29 composite backing layer.
Guodong Guo, Shah Alam, Larry D. Peel
doaj   +1 more source

Impact of adhesive layer properties on ceramic multi-layered ballistic armour systems: A review

open access: yesDefence Technology
The role of the adhesive layer in the ballistic performance of ceramic multi-layer armour system is complex and multi-faceted, often with trade-offs between single- and multi-hit performance.
Ethan I.L. Jull   +2 more
doaj   +1 more source

Performance Analysis of Strained Monolayer MoS$_{2}$ MOSFET

open access: yes, 2013
We present a computational study on the impact of tensile/compressive uniaxial ($\varepsilon_{xx}$) and biaxial ($\varepsilon_{xx}=\varepsilon_{yy}$) strain on monolayer MoS$_{2}$ NMOS and PMOS FETs.
Ghosh, Ram Krishna   +2 more
core   +1 more source

Theoretical optimal modulation frequencies for scattering parameter estimation and ballistic photon filtering in diffusive media

open access: yes, 2016
The efficiency of using intensity modulated light for estimation of scattering properties of a turbid medium and for ballistic photon discrimination is theoretically quantified in this article. Using the diffusion model for modulated photon transport and
Alouini, Mehdi   +3 more
core   +3 more sources

Ballistic Performance of Lightweight Armor Aramid Fabric with Different Bounding Technologies

open access: yesFibers
The aim of this research was to develop a lightweight armor that could be used in bulletproof vests or vehicle protection, offering an alternative to the disadvantageous properties of high-strength steel plates.
István Péter Kondor   +2 more
doaj   +1 more source

Experimental and Numerical Investigation on the Layering Configuration Effect to the Laminated Aluminium/Steel Panel Subjected to High Speed Impact Test

open access: yesMetals, 2018
This paper presents the effect of laminated aluminium-steel panel with different configurations in a high-speed impact test. Layering aluminium plate with high strength steel has become an interest in reducing the overall density of armour vehicle body ...
Najihah Abdul Rahman   +5 more
doaj   +1 more source

Engineering Nanowire n-MOSFETs at Lg < 8 nm

open access: yes, 2013
As metal-oxide-semiconductor field-effect transistors (MOSFET) channel lengths (Lg) are scaled to lengths shorter than ...
Kim, SungGeun   +5 more
core   +1 more source

On momentum conservation and thermionic emission cooling [PDF]

open access: yes, 2009
The question of whether relaxing momentum conservation can increase the performance of thermionic cooling device is examined. Both homojunctions and heterojunctions are considered.
Jeong, Changwook   +2 more
core   +4 more sources

Experimental Analysis of Hybrid Panels Combining Flax/PLA Composite with UHMWPE and Steel Under Ballistic Impact

open access: yesJournal of Natural Fibers
This study investigates the feasibility of substituting UHMWPE and steel with flax/PLA green composite in ballistic applications with the objective to increase sustainability and cost-effectiveness.
Liu Jiao-Wang   +4 more
doaj   +1 more source

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