Nickel-base superalloy composition and its use in...

Details Nickel-base superalloy composition and its use in... Nickel-base superalloy composition and its use in...

2005-06-14

2005-06-14

Wyszomierski, George (Department: 1742)

Metal treatment

Stock

Age or precipitation hardened or strengthened

C148S428000, C420S444000, C420S448000

Reexamination Certificate

active

06905559

ABSTRACT:
A composition of matter is about 1 to about 3 percent rhenium, from about 6 to about 9 percent aluminum, from 0 to about 0.5 percent titanium, from about 4 to about 6 percent tantalum, from about 12.5 to about 15 percent chromium, from about 3 to about 10 percent cobalt, from about 2 to about 5 percent tungsten, from 0 to about 0.2 percent hafnium, from 0 to about 1 percent silicon, from 0 to about 0.25 percent molybdenum, from 0 to about 0.25 percent niobium, balance nickel and minor elements. The composition is preferably made into a substantially single crystal article, such as a component of a gas turbine engine.

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patent: 2003/0211356 (2003-11-01), Beers et al.
patent: 1201778 (2002-05-01), None

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