Accession Number : ADD002563

Title :   Lightweight Cartridge Case of Improved Aluminum Alloy Material Which Eliminates Catastrophic Failures.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON D C

Personal Author(s) : Gruner,Frederick R

Report Date : 09 Dec 1975

Pagination or Media Count : 3

Abstract : The patent relates to a high strength aluminum alloy cartridge case wherein said alloy includes a dispersoid of finely divided aluminum oxide (Al2O3) which coats the aluminum alloy particles to markedly improve the burnthru resistance of the case. Al2O3 comprises about 6 to 13% by weight of the cartridge case, and preferably about 10 to 12% thereof.

Descriptors :   *Cartridge cases, *Aluminum alloys, *Patents, Aluminum coatings, Oxides, Burnthrough

Subject Categories : Metallurgy and Metallography
      Ammunition and Explosives

Distribution Statement : APPROVED FOR PUBLIC RELEASE