F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 5/28 (2006.01) B23K 26/00 (2006.01) B23P 6/00 (2006.01) B23P 15/04 (2006.01) C23C 4/10 (2006.01) C23C 6/00 (2006.01)
Patent
CA 2551249
A turbine component (10) formed from a niobium silicide-based composition is described. The component (10) can be compositionally-graded through at least a portion of its structure. A turbine blade (10) formed from a composition which includes a niobium silicide alloy is also described. The blade includes an airfoil (12); an airfoil tip region (31); a platform (24) on which the airfoil (12) is mounted; and a dovetail root (26) attached to an underside of the platform (24). The niobium silicide alloy in at least one portion of the turbine blade (10) is compositionally different from the niobium silicide alloy in another portion of the blade. Processes for fabricating a niobium silicide-based turbine article are also described, using laser cladding techniques. Repair methods are also set forth in the application.
Azer Magdi N.
Bewlay Bernard Patrick
Cretegny Laurent
Ritter Ann Melinda
Young Craig Douglas
Company General Electric
Craig Wilson And Company
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