Patent ID: 8089028

Claim:
A method for repairing a gas turbine engine knife edge seal comprising: providing a knife edge of a gas turbine component, the component comprising a material composition, the knife edge being degraded; directing a laser beam toward the knife edge; and dispensing a material composition powder such that the material composition powder is melted by the laser beam and is deposited on the knife edge and wherein said material composition comprises chromium 8.0-11.0%, cobalt 13.0-17.0%, molybdenum 2.0-4.0%, vanadium 0.70-1.20%, titanium 4.50-5.00%, aluminum 5.0-6.0%, carbon 0.15-0.20%, boron 0.01-0.02%, zirconium 0.03-0.09%, iron 1.0% maximum, manganese 0.20% maximum, silicon 0.20% maximum, sulfur 0.015% maximum, with the remainder being nickel.