F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 11/08 (2006.01) C22C 19/05 (2006.01) C30B 11/00 (2006.01) F01D 9/00 (2006.01) F01D 25/00 (2006.01) F01D 25/24 (2006.01)
Patent
CA 2048756
Patent 13DV-8800 SINGLE CRYSTAL, ENVIRONMENTALLY-RESISTANT GAS TURBINE SHROUD ABSTRACT OF THE DISCLOSURE A single crystal shroud, preferably used around the high pressure turbine section of a gas turbine engine, has a composition, in weight percent, of from about 5 to about 10 percent chromium, from about 5 to about 10 percent cobalt, from 0 to about 2 percent molybdenum, from about 3 to about 10 percent tungsten, from about 3 to about 8 percent tantalum, from 0 to about 2 percent titanium, from about 5 to about 7 percent aluminum, from 0 to about 6 percent rhenium, from 0 to about 0.50 percent hafnium, from 0 to about 0.07 percent carbon, from 0 to about 0.015 percent boron, and from 0 to about 0.075 percent yttrium, balance nickel. The environmentally- resistant shroud preferably is used in the as-cast condition without any oxidation and corrosion resistant flowpath coating.
Linko Peter J. III
Pilsner Brian H.
Wortman David J.
Company General Electric
Craig Wilson And Company
Linko Peter J. III
Pilsner Brian H.
Wortman David J.
LandOfFree
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