Turbine components with skin bonded to substrates

Details Turbine components with skin bonded to substrates Turbine components with skin bonded to substrates

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/18 (2006.01) B23K 20/02 (2006.01) B23K 20/16 (2006.01) B23K 35/30 (2006.01) B23P 15/00 (2006.01) B23P 15/04 (2006.01) C22C 19/05 (2006.01) C22F 1/10 (2006.01) C30B 11/00 (2006.01) F01D 5/14 (2006.01) F01D 5/28 (2006.01)

Patent

CA 2307496

High efficiency, thin walled turbine components (10) include a superalloy substrate (12) covered by a thin skin (14). The thin skin (14) may be bonded to the inner spar structure of the turbine blade airfoil by a transient liquid phase bonding process. The inner spar preferably includes a cast single crystal nickel base superalloy. The thin skin may include a single crystal or polycrystalline nickel base superalloy.

Composants de turbine à paroi mince et à haute efficacité, tels que contours d'aubes de turbine, qui comprennent un substrat en superalliage recouvert par une peau mince. Cette dernière peut être liée à la structure du longeron intérieur d'un contour d'aube par un procédé de liaison en phase liquide transitoire. Le longeron intérieur comprend de préférence un superalliage monocristallin coulé à base de nickel. La peau mince comprend un superalliage de nickel monocristallin ou polycristallin ou similaire.

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