Multi-cast turbine airfoils and method for making same

Details Multi-cast turbine airfoils and method for making same Multi-cast turbine airfoils and method for making same

B - Operations, Transporting

23

P

B23P 15/04 (2006.01) B23K 20/12 (2006.01) F01D 5/14 (2006.01)

Patent

CA 2657262

A gas turbine engine airfoil is made from separate cast sections having different cast alloy structures. The cast alloy structures are selected on the basis of the local operating conditions of each section. Friction welding can be used to join the sections together.

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