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Novel Ceramic Tile Designs for Armor

Inactive Publication Date: 2012-07-26
KARANDIKAR PRASHANT G +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0018]Back face features with geometry that prevents stress waves from reflecting directly back to the front face. An example is blind conical perforations on tile back face that will reflect the stress wave at an angle.
[0021]Quantifying the effects of the various geometries is significant because it gives rise to the ability to optimize performance.
[0026]As a result of these technical advantages, increased ballistic performance is seen.DEFINITIONS

Problems solved by technology

However, due to their relatively low hardness, their effectiveness on a weight basis is poor relative to ceramics.

Method used

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  • Novel Ceramic Tile Designs for Armor
  • Novel Ceramic Tile Designs for Armor

Examples

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example

[0046]This Example demonstrates the effect on ballistic performance of tile geometry or design. In other words, this example compares the ballistic performance of five ceramic-containing armor systems where the only difference is that one system featured a ceramic-containing tile of solid material of uniform cross-section (the control), and the other tiles featured a non-uniform strike face and / or non-uniformity in parts of the tile other than the strike face.

[0047]In addition to a baseline or “control”, four different tile designs were tested. The baseline tile was a solid, relatively smooth tile not containing any holes, depressions or projections, similar to what is described in Example 1 of U.S. Pat. No. 6,862,970. As illustrated in FIGS. 1a-1d, the other four designs consisted of[0048]Tile with through perforations[0049]Tile with solid front and blind holes on back[0050]Tile with solid front and blind cones on back[0051]Tile with knobby front and blind holes on back

[0052]From e...

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Abstract

A ceramic-containing armor tile exhibiting anisotropy exhibits different anti-ballistic performance compared to a uniform, isotropic tile. The ballistic performance has been quantified, and the results suggest that design can be optimized for even greater performance.

Description

STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT[0001]This invention was made with United States Government support under Contract No. W911QY-08-C-0093 awarded by the Department of the Navy. The Government has certain rights in the invention.CROSS REFERENCE TO RELATED APPLICATIONS[0002]None.BACKGROUND OF THE INVENTION[0003]1. Field of the Invention[0004]The present invention relates to ceramic-containing armor for defeating ballistic projectiles. More particularly, the present invention relates to the design, that is, the specific geometric features contained in the armor, and more specifically, it relates to the effect of non-uniform features.[0005]2. Discussion of Related Art[0006]Ceramic tiles are valuable components in armor systems for the defeat of armor piercing projectiles. Because of their high hardness, ceramics effectively break or blunt the projectile, thus allowing remaining portions of the armor system (e.g., metallic and / or polymeric backing materials) ...

Claims

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Application Information

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IPC IPC(8): F41H5/02
CPCF41H5/0414
Inventor KARANDIKAR, PRASHANT G.MARSHALL, ANDREW L.LISZKIEWICZ, JR., ANTHONYGIVENS, BRIAN P.AGHAJANIAN, MICHAEL K.
Owner KARANDIKAR PRASHANT G
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