Turbine buckets wtih high hot hardness shroud-cutting deposits
AssigneeGeneral Electric Company
InventorsSrikanth Chandrudu Kottilingam, Surinder Singh Pabla, Brian Lee Tollison
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Abstract
Turbine buckets include a pressure side, a suction side opposite the pressure side, and a bucket squealer tip attached to the pressure side and the suction side. The bucket squealer tip includes a plurality of high hot hardness shroud-cutting deposits deposited on its exterior surface that have a hardness of at least about 1100 kg mm−2 and a melting temperature of at least about 1500° C.
Claims20
A turbine bucket comprising:
- a pressure side;
- a suction side opposite the pressure side;
- and, a bucket squealer tip attached to the pressure side and the suction side comprising a plurality of high hot hardness shroud-cutting deposits deposited on an exterior surface of the bucket squealer tip, wherein the plurality of high hot hardness shroud-cutting deposits have a hardness of at least about 1100 kg mm−2 and a melting temperature of at least about 1500° C.
A method for modifying a turbine bucket having a pressure side opposite a suction side and a bucket squealer tip attached to the pressure side and the suction side, the method comprising:
- depositing a plurality of high hot hardness shroud-cutting deposits on an exterior surface of the bucket squealer tip, wherein the plurality of high hot hardness shroud-cutting deposits have a hardness of at least about 1100 kg mm−2 and a melting temperature of at least about 1500° C.
Dependencies are inferred from the claim text.