Method of fabricating a shape memory alloy damped structure

Details Method of fabricating a shape memory alloy damped structure Method of fabricating a shape memory alloy damped structure

2005-05-03

2005-05-03

Stoner, Kiley S. (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S100000

Reexamination Certificate

active

06886622

ABSTRACT:
A damped blade is provided that includes a blade structural member defining at least one coolant channel and a liner formed of a shape memory alloy extending at least partially along the at least one coolant channel defined by the blade structural member. The shape memory alloy that forms the liner is maintained generally at its transition temperature by means of coolant circulated through the coolant channel. The shape memory alloy that forms the liner will resist the onset of vibrations within the blade, thereby effectively damping blade vibrations. A method of fabricating a damped blade is also provided.

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