Accession Number : AD0164596

Title :   Columbium-Base Alloy.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Cornie,James A.

Report Date : 07 NOV 1972

Pagination or Media Count : 9

Abstract : The patent application concerns columbium-based alloys having high tensile strength, excellent creep-resistance and excellent workability at elevated temperatures. The alloys are composed of from about 10 to 28 weight percent tungsten, about 3.5 to 5.0 weight percent hafnium, about 0.04 to 0.10 weight percent nitrogen, about 0.04 to 0.10 weight percent carbon with the balance columbium.

Descriptors :   *Niobium alloys, *Tungsten alloys, *Hafnium alloys, Patents, Additives, Nitrogen, Carbon

Subject Categories : Metallurgy and Metallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE