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AssigneeGeneral Electric Company
InventorsJon Schaeffer, Ariel Jacala, Doyle Lewis, Thaddeus Strusinski, Frederick Dantzler, Eugene Clemens, Paul Wilson, Michael Butler, Jeffrey Killough
Estimating the term…
A weld process cuitable for repairing precipitation-strengthened superalloys, and particularly gamma prime-strengthened nickel-based superalloys. The process entails forming a weldment in a cavity present in a surface of an article formed of a precipitation-strengthened superalloy. The cavity has a root region and a cap region between the root region and the surface of the article. A solid body formed of a superalloy composition is placed in the root region of the cavity so as to occupy a first portion but not a second portion of the root region. A first filler material formed of a solid solution-strengthened superalloy is then weld-deposited in the second portion of the root region. Subsequently, a second filler material formed of a precipitation-strengthened superalloy is weld-deposited in the cap region of the cavity.
A process of forming a weldment in a cavity present in a surface of an article formed of a first precipitation-strengthened superalloy, the cavity having a root region and a cap region between the root region and the surface of the article, the process comprising the steps of:
A process of forming a weldment in a cavity present in a surface of a single-crystal casting formed of a first precipitation-strengthened nickel-based superalloy, the cavity having a root region and a cap region between the root region and the surface of the casting, the process comprising the steps of:
Dependencies are inferred from the claim text.