Metallic composite of a nickel-based super alloy and...

Details Metallic composite of a nickel-based super alloy and... Metallic composite of a nickel-based super alloy and...

C - Chemistry, Metallurgy

22

C

75/109, 261/5

C22C 19/00 (2006.01) C22C 19/05 (2006.01) C30B 21/02 (2006.01)

Patent

CA 1052597

ABSTRACT OF THE DISCLOSURE A refractory composite material and gas turbine blades for aviation applications manufactured therefrom. The com- posite material comprises a nickel-based superalloy matrix containing cobalt, aluminium in the form of a Ni3Al precipi- tate, and tungsten, and a reinforcing phase of oriented monocrystalline niobium carbide fibers formed in situ during production, by unidirectional solidification. The composition of the composite material by weight expressed in percent is : Co - 20-30% Cr - 6-15 % W - 7-10 % Al - 3-6 % Nb - 4-6 % C - 014-0.65 % Ni balance to 100.

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