Accession Number : ADD004523

Title :   High Strength Nickel-Base Alloys.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Rozner,Alexander G ; Buchler,William J

Report Date : 07 Nov 1967

Pagination or Media Count : 2

Abstract : This invention pertains to high strength nickel based alloys and more particularly to high strength near stoichiometric nickel-titanium alloys and a method for their preparation. The near stoichiometric nickel-titanium alloys and their unique properties are fully described in Patent No. 3,174,851. For many applications, however, it would be desirable to produce these alloys with higher yield strengths but attempts to effect increases in yield strengths by conventional means such as heat treatment have met with little success, probably due to the fact that the alloy exists essentially in a single phase. Accordingly, it is an object of this invention to produce high strength near stoichiometric nickel-titanium alloys. It is another object of this invention to provide a novel method for producing such high strength alloys. It is a further object to provide nickel-titanium alloys with improved yield strengths without significantly affecting ductility and toughness.

Descriptors :   *Patents, *Nickel alloys, *High strength alloys, Titanium alloys, Stoichiometry, Yield strength, Heat treatment, Ductility, Toughness, Tensile strength, Production control

Subject Categories : Metallurgy and Metallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE