نتایج جستجو برای: explosive loading
تعداد نتایج: 88869 فیلتر نتایج به سال:
OBJECTIVE We investigated electroencephalographic (EEG) correlates of moderate intermittent explosive disorder (mIED), which is characterized by uncontrollable, impulsive attacks that either manifest in aggressive outbursts of temper, or in implosive, auto-aggressive behaviour. METHODS In two Experiments, EEG data were recorded during rest conditions, and while subjects were presented with au...
In this research, the effect of standoff distance and explosive material thickness on metallurgical features of explosive welding connection of copper to 304 stainless steel has been investigated. Experimental analysis were performed using optical microscopy, scanning electron microscopy, microhardness test and tensile shear strength test. The results indicated that due to severe plastic deform...
In this research, the effect of standoff distance and explosive material thickness on the Interface properties of three layers explosively bonded AA5083 and AA 1050 aluminum alloys to carbon steel by ABAQUS version 6.9 finite element software was investigated. For the simulation, Johnson cook equation and Williams Burg equation was used for the simulation of plates and explosive materials behav...
Shaped charges defeat armours by means of high velocity jets formed by the collapse of a metallic liner as a result of the detonation of an explosive. The explosive formulation is an important factor influencing the properties of a shaped charge. Explosive charges used in penetrating devices have usually high detonation velocity and high density. In this research, composition based on HTPB havi...
Two-dimensional numerical simulations with Eulerian-Lagrangian method are conducted to study propagation and extinction of stoichiometric hydrogen/air detonations in fine water sprays. Parameterized by mass loading initial droplet size, a detonation map is developed. Detonation would occur larger and/or smaller size. General features gas phase droplets local frontal structures well captured. Nu...
Abstract Reactive materials applied to warhead fragments or charge liner will be driven by strong detonation, so their mechanical behavior and energy release characteristics affected a certain extent. In this paper, dynamic static tests impact initiation experiment were carried out on the detonation-loaded Al/Ni reactive material. Compared with that have not subjected explosive shock, it is fou...
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