Heat treatment for dual alloy turbine wheels

Details Heat treatment for dual alloy turbine wheels Heat treatment for dual alloy turbine wheels

1988-07-29

1990-03-13

Powell, Jr., E. A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Coating, specific composition or characteristic

416213R, 416244A, 148162, F01D 534

Patent

active

049079476

ABSTRACT:
A dual alloy gas turbine rotor is heat treated by HIP bonding a cast superalloy blade ring to a consolidated, powdered-metal hub. After bonding, the assembly is solution treated and aged at certain specific temperatures so as to optimize the mechanical properties of the dual alloy assembly for use in a high performance gas turbine engine.

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