Siemens Energy, Inc.

David G Maire

Gerald Joseph Bruck

Ahmed Kamel

Dhafer Jouini

Daniel J Ryan

A gas turbine engine component (), including: a surface () subject to loss caused by a wear instrument during operation of the component in a gas turbine engine and a performance feature () associated with the surface. The surface and the performance feature interact in a manner that changes with the loss such that a change in performance of the gas turbine engine resulting from the loss is mitigated.

Gas turbine engine component with performance feature

An electrode () is presented including a sheath () formed of a ductile material, an outer coating () including a flux material, and a core () including at least one of flux material and alloying material. The ductile material may be an extrudable subset of elements of a desired superalloy material and the alloying material may include elements that complement the ductile material to form a desired superalloy material when the electrode is melted. The outer coating may be formed of a flexible bonding material or it may be segmented () to facilitate bending the electrode onto a spool. Any hygroscopic material of the electrode may be included in the core to protect it from exposure to atmospheric moisture.

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Winter Springs, FL, United States of America

David G Maire