Turbine blade tip repair

A method for repairing a blade wherein the blade comprises a metallic substrate shaped to define an airfoil having a tip. A coating is on the tip. The method comprises: machining to at least partially remove the coating; plating a nickel-based base layer; and plating an abrasive layer comprising a n...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Minor, Michael J, Pietroniro, Anthony J, Bischof, Christopher J, Schubert, Mary E, Brown, Kayleigh J, Hiskes, David J, Stratton, Eric W, McCall, Thomas
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A method for repairing a blade wherein the blade comprises a metallic substrate shaped to define an airfoil having a tip. A coating is on the tip. The method comprises: machining to at least partially remove the coating; plating a nickel-based base layer; and plating an abrasive layer comprising a nickel-based matrix and an abrasive.