Ceramic armor penetration models analytical
WebSep 1, 2024 · The Johnson-Holmquist-2 (JH-2) constitutive model has been used for simulating the material behaviour of ceramic and the Johnson-Cook (JC) elasto-viscoplastic material model for simulating... WebJun 1, 1992 · Initially we demonstrate an experimental set-up to impose pre-stress to ceramic-metal bi-layer armor and study the depth of penetration to measure the ballistic efficiency as a function of pre ...
Ceramic armor penetration models analytical
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WebThe ceramic composite projectile with the ZrO2 ceramic tip has a lower critical penetration velocity than a 12.7 mm metal KE projectile for Al2O3 ceramic composite armor. WebDec 19, 2024 · The armor provides resistance to penetration by 5.56–14.5 mm small and medium caliber armor-piercing shells and to penetration by fragments or an explosion. Gamache et al. [ 28 ] developed a body armor composite material which include a flexible liner, a polymer binder disposed on the liner, and ceramic solids embedded in the binder.
WebOct 1, 2005 · 1.. IntroductionThe role of a ceramic tile in the defeat of an armor-piercing (AP) projectile is to erode and decelerate the projectile. The phenomenon called dwell or interface defeat is where the impacting projectile flows radially outward (erodes) along the surface of the target, usually ceramic, with no significant penetration. During dwell, the … WebJun 1, 2011 · The ceramic/composite target material has the total constant thickness 40 mm and radius 50 mm.The 2D, axi-symmetric model of projectile and ceramic–composite target has been shown in Fig. 1.A two-layer target has been made of alumina 99.5% with the density of 3700 kg/m 3 and thickness 20 mm as front plate backed with the Twaron …
WebJan 1, 2016 · In the numerical simulations, Johnson–Holmquist 2 model for alumina ceramics and the Johnson–Cook damage model for Ti6Al4V material were used … WebMar 1, 2024 · The bi-layer composite ceramic armors are widely used in the protection field, and its design method is keep changing since the Florence model has been found. In this study, an analytical...
WebMar 1, 2006 · Summary This chapter contains sections titled: Introduction Analytical Model Examples Discussion Penetration Analysis of Ceramic Armor Backed by Composite …
how to insert object in excel 2013WebSep 1, 1999 · An analytical model has been developed to model the penetration process into ceramic-faced thick armour. The model predictions have been compared with experimental data utilising long-rod and spherical projectiles. Low values for penetration were obtained from the model for impacts with spherical projectiles. jonathan miller channel 4WebMar 15, 2024 · Besides, the influence of back plate material on the penetration performance of ceramic armor is analyzed. The current theoretical model can provide a guide for enhancing the ceramic armor performance by setting the appropriate back plate. 2. Analytical model of ceramic composite impacted by projectile2.1. how to insert object in excel windows 10WebMay 14, 2015 · Numerical simulations and analysis of ballistic impact and penetration by tungsten alloy rods into composite targets consisting of layers of aluminum nitride ceramic tile(s), polymer laminae, and aluminum backing are conducted over a range of impact velocities on the order of 1.0 to 1.2 km/s. Computational results for ballistic … how to insert object in ms wordWebJul 10, 1998 · An analytical model of normal ballistic impact on the ceramic/metal gradient armor, which is based on modified Alekseevskii-Tate equations, has been developed. … jonathan miller joncar realtyWebThe criteria to be looked for are the Depth of Penetration, Deflection and Final Projectile Length. ... 𝑇 ∗ As for the model with ceramic materials, the Johnson-Holmquist Strength Continuous (JH-2) constitutive equation is used. ... and G. E. B. Tan, “Ballistic impact on bi-layer alumina/aluminium armor: A semi-analytical approach ... how to insert object in excel sheetWebThe analytical penetration model provides a fast-running, accurate capability to estimate penetration performance in metallic, ceramic, and fabric armors. Analytical Penetration Modeling Applications Long-rod projectiles Small arms (armor-piercing and ball rounds) Fragment-simulating projectiles (FSP) Brittle materials (e.g., glass and ceramics) how to insert object in powerpoint