C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 19/05 (2006.01) C22C 5/04 (2006.01) C22F 1/10 (2006.01) C30B 11/00 (2006.01) C30B 29/52 (2006.01) F01D 5/28 (2006.01) F02C 7/00 (2006.01) B22D 21/00 (2006.01) C22F 1/00 (2006.01)
Patent
CA 2451299
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 (18), such as a component (20) of a gas turbine engine.
Une composition de matière contenant environ 1 à 3 pour cent de rhénium, environ 6 à environ 9 pour cent d'aluminium, de 0 à environ 0,5 pour cent de titane, d'environ 4 à 6 pour cent de tantale, d'environ 12,5 à environ 15 pour cent de chrome, d'environ 3 à environ 10 pour cent de cobalt, d'environ 2 à environ 5 pour cent de tungstène, de 0 à environ 0,2 pour cent de hafnium, de 0 à environ 1 pour cent de silicium, de 0 à environ 0,25 pour cent de molybdène, de 0 à environ 0,25 pour cent de niobium, plus du nickel et des éléments mineurs. Il est préférable que cette composition soit réalisée en un article en cristal sensiblement unique (18), tel qu'un composant (20) d'un moteur à turbine à gaz.
Jackson Melvin Robert
Mukira Charles Gitahi
O'hara Kevin Swayne
Walston William Scott
Company General Electric
Craig Wilson And Company
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