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Code 4 Armor

Y-12 National Security Complex

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PDF Document PublicationPoster (958 KB)

PDF Document PublicationPatent (179 KB)

PDF Document Publication
Fact Sheet
(499 KB)

Technology Marketing Summary

For DoD, law enforcement, and private security organizations that need personnel protection, Code 4 Armor is a multi-impact, customizable, monolithic armor technology. Unlike competitive products, Code 4 Armor uses cermet metallic patent-pending technology, a composite material composed of ceramic and metal, which provides multiple hit survivability. Code 4 Armor affords superior protection while reducing product weight and production costs. We’ve accomplished a proof-of-concept prototype for marine propulsion application, and we are now looking for a partner who will fully commercialize this technology.

  • Provides stopping power equal to steel armor
  • Weighs half as much as steel armor
  • Will not separate like glued, layered construction
  • Does not fragment catastrophically
  • Sustains multiple impacts
  • Can be mass produced on an assembly line
  • Can be custom fit and functionally graded for specific applications
  • Decreases final product weight and increases comfort
  • Improves safety by eliminating weak points caused by glued construction
  • Better meets protection needs in a combat zone
  • Reduces cost by eliminating handwork and reducing material waste
Applications and Industries
  • Military and other federal and state government personnel
  • Police officers
  • Security and money-transfer personnel
  • Counterterrorism agents
  • Ballistic protection for embassies, hotel lobbies,teller booths, check points
  • Structures and barriers
  • Exterior surface shielding for vehicles (air/land)
  • Stronger fuel tanks and sniper shields
More Information

Inventor - Ed Ripley

Important note - Y-12 does not have any data related to this specific application.

Patents and Patent Applications
ID Number
Title and Abstract
Primary Lab
Patent 7,857,193
Method of forming and assembly of parts
A method of assembling two or more parts together that may be metal, ceramic, metal and ceramic parts, or parts that have different CTE. Individual parts are formed and sintered from particles that leave a network of interconnecting porosity in each sintered part. The separate parts are assembled together and then a fill material is infiltrated into the assembled, sintered parts using a method such as capillary action, gravity, and/or pressure. The assembly is then cured to yield a bonded and fully or near-fully dense part that has the desired physical and mechanical properties for the part's intended purpose. Structural strength may be added to the parts by the inclusion of fibrous materials.
Y-12 National Security Complex 12/28/2010
Technology Status
Technology IDDevelopment StageAvailabilityPublishedLast Updated
2012Proposed - TRL 3 - Active R&D is initiated - Active research and development is initiated. This includes analytical studies and laboratory studies to physically validate analytical predictions of separate elements of the technology. Examples include components that are not yet integrated or representative.Available04/07/201112/06/2016

Contact Y12 About This Technology

To: Jeremy Benton<>