Lightweight Cartridge Case of Improved Aluminum Alloy Material Which Eliminates Catastrophic Failures.
DEPARTMENT OF THE ARMY WASHINGTON D C
Pagination or Media Count:
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.
- Metallurgy and Metallography
- Ammunition and Explosives