Accession Number:

ADD018970

Title:

Lead-Free Percussion Primer Mixes Based on Metastable Interstitial Composite (MIC) Technology

Descriptive Note:

Patent, Filed 19 Feb 97, patented 10 Feb 98

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Report Date:

1998-02-10

Pagination or Media Count:

4.0

Abstract:

A lead-free percussion primer composition and a percussion cup containing the composition. The lead-free percussion primer composition is comprised of a mixture of about 45 wt aluminum powder having an outer coating of aluminum oxide and molybdenum trioxide powder or a mixture of about 50 wt aluminum powder having an outer coating of aluminum oxide and polytetrafluoroethylene powder. The aluminum powder, molybdenum trioxide powder and polytetrafluoroethylene powder has a particle size of 0.1 microns or less, more preferably a particle size of from about 200-500 angstroms.

Subject Categories:

  • Ammunition and Explosives

Distribution Statement:

APPROVED FOR PUBLIC RELEASE