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:

1975-12-09

Pagination or Media Count:

3.0

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