High velocity penetration of steel targets

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WebOct 1, 1994 · @article{osti_10188807, title = {CTH analyses of steel rod penetration into aluminum and concrete targets with comparisons to experimental data}, author = {Kmetyk, L N and Yarrington, P}, abstractNote = {Calculational results are presented here for a class of intermediate-velocity penetration problems. The problems of interest involve penetration … WebJun 17, 2004 · Aluminum and steel rods with aspect ratios of 1/6 to 25 were impacted into metallic and ... Empirically developed equations are presented for predicting crater …

Penetration by High-Velocity (`Munroe

WebDec 1, 2010 · Finite element method (FEM) suffers from a serious mesh distortion problem when used for high velocity impact analyses. The smooth particle hydrodynamics (SPH) method is appropriate for this class ... WebApr 1, 2024 · Effects of steel fiber and target thickness on the penetration resistance of UHPC under high velocity small projectile impact loading Xiao Jiang, Qing-hua Li, +1 … fizy song

High-velocity penetrators - NASA/ADS

WebApr 11, 2024 · Detailed analysis of the effects of the steel fiber, striking velocity and target thickness is presented in Section 5. Table 5. Detailed impact test data of UHPC panels with 2% fiber volume ratio. Test No. Thickness (mm) ... In this study, high–velocity penetration tests of 45 UHPC panels with different thicknesses, fiber volume ratios and ... WebThe test series utilized 1/2-in., 3-in., and 5 1/2-in. diameter, ogive-nose steel projectiles and grout and concrete targets. The tests confirmed that penetration depth increased as striking velocity increased to 4000 ft/sec. WebThis study aims to verify the efficacy of a high strength steel, Armox 600T, against high velocity impact of a M193 bullet. See ... model to predict the performance of high … fizyx investment group

High-velocity penetrators (Conference) OSTI.GOV

Penetration and perforation processes in metal targets at and …

WebThe response of multi-layered ceramic/steel targets to high velocity impact and penetration has been investigated through experiments and finite element simulations. Damage … WebTo study the penetration and cratering effect of reactive material composite jets, a series of experiments are carried out for the shaped charge (SC) with different composite liners damaging steel targets. The inner layer of composite liners is metal and the outer one is a polytetrafluoroethylene/aluminum (PTFE/Al) reactive material. Copper (Cu), titanium (Ti) … fizy web playerWebThe process of cratering in materials is described in terms of four phases: transient, primary, secondary, and recovery. Rod projectiles were used in an experimental study of the … cannon quinn and associates tampa fl

"WebFeb 26, 2024 · The transition of the failure modes from plugging to disking with the increasing impact velocity. Full size image. Disking fracture is observed on rear layers of the targets which were shot at impact velocities higher than 1200 m/s. A remained plate thickness, below the projectile, is stretched and bent forward. " - High velocity penetration of steel targets

High velocity penetration of steel targets

Effects of steel fiber and target thickness on the penetration ...

WebStriking a hardened steel plate at high velocity imparted significant force to the projectile and standard armour ... that is designed to retain its shape and carry the maximum possible amount of energy as deeply as possible into the target. Generally, the penetration capability of an armour-piercing round increases with the projectile's ... WebThen, impact experiments of a projectile obliquely penetrating thick steel targets at different striking velocities and inclination angles are carried out, and the influences of the striking velocity and angle of attack on the damage pattern, area and penetration depth are discussed to identify the ricochet phenomenon.

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WebAbstract The response to normal impact of hard-steel blunt and conically-nosed projectiles on multi-layered plates of soft aluminum, both adjacent and spaced, as well as on adjacent disks of thin aluminum and polycarbonate, including sandwich arrangements, was studied experimentally in the subordnance velocity regime in the vicinity of the ballistic limit. WebThe U.S. Department of Energy's Office of Scientific and Technical Information

WebApr 19, 2013 · In this study, two different scale projectile high velocity penetration experiments with concrete targets that had an average compressive strength of 35 MPa … WebJan 1, 2024 · The two stages of penetration, above and below V cav, are shown in Fig. 11, which shows the numerical result for the channel profile in an aluminum target, impacted …

WebMay 10, 2000 · We conducted three sets of depth-of-penetration experiments with limestone targets and 3.0 caliber-radius-head (CRH), ogive-nose steel rod projectiles. WebOct 1, 1971 · A study was made of the penetration, perforation and fragmentation of 0·05- to 0·25-in. thick 2024 aluminum and SAE 1020 and 4130 steel alloy plates impacted …

WebApr 1, 2024 · @article{Jiang2024EffectsOS, title={Effects of steel fiber and target thickness on the penetration resistance of UHPC under high velocity small projectile impact loading}, author={Xiao Jiang and Qing-hua Li and Xing Yin and Shilang Xu}, journal={Cement and Concrete Composites}, year={2024} } Xiao Jiang, Qing-hua Li, +1 author Shilang Xu cannon projectsWebNov 1, 1994 · High-velocity penetrators Full Record Related Research Authors: Lundgren, R G Publication Date: Tue Nov 01 00:00:00 EST 1994 Research Org.: Sandia National Labs., … can nonqualified plans discriminateWebJan 1, 1991 · Researchers at the U.S. Army Ballistic Research Laboratory (BRL) have conducted a combined experimental and numerical research program in high-velocity penetration aimed at increasing the understanding of penetration mechanics over the … cannon protectionWebNov 16, 2024 · penetration of a high-velocity jet into any combination of ductile targets, using the results obtained from a very small number of standard experiments. It is known that when a conical metal lining is used for a hollow charge, the metal divides into two parts, the high-velocity Munroe jet in front and a slower, fizy youtubeWebBullet parts: 1 metal jacket, 2 lead core, 3 steel penetrator. Terminal ballistics (also known as wound ballistics) is a sub-field of ballistics concerned with the behavior and effects of a projectile when it hits and transfers its energy to a target. Bullet design (as well as the velocity of impact) largely determines the effectiveness of ... cannon racecraft oklahoma city okWeb2 days ago · The paper presents a combined experimental - numerical research that tries to evaluate the ballistic capabilities of three different types of protecti… cannon racecraft okcWebJun 29, 2024 · Theoretical and experimental studies were conducted to investigate the penetration mechanisms of high-velocity projectiles (500 m/s to 1700 m/s) in concrete targets [ 20 ]. The results from these investigations show that there was a linear correlation between the impact velocity and the diameter and depth of the craters in the concrete … can non qualified annuities be rolled over