Nickel-base alloy for gas turbine applications

Details Nickel-base alloy for gas turbine applications Nickel-base alloy for gas turbine applications

C - Chemistry, Metallurgy

22

C

C22C 19/05 (2006.01) B22D 25/00 (2006.01) C22F 1/10 (2006.01)

Patent

CA 2658848

A nickel-based alloy suitable for casting gas turbine components having a lower density and basic heat treating process while achieving improved strength is disclosed. Multiple embodiments of the alloy are disclosed capable of providing both directionally-solidified and equiaxed castings. Also disclosed is a method of making a cast and heat treated article utilizing the improved nickel-base alloy.

L'invention concerne un alliage à base de nickel adapté au coulage de composants de turbines à gaz, présentant une densité inférieure et un processus de traitement thermique de base, ainsi qu'une résistance améliorée. Des modes de réalisation multiples dudit alliage permettent d'obtenir des coulages à la fois solidifiés directionnellement et équiaxiaux. L'invention concerne également un procédé de fabrication d'un article coulé et traité thermiquement contenant cet alliage à base de nickel amélioré.

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