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US 2008/0164301 A1Published application
High temperature laser welding
AssigneeGeneral Electric Company
InventorsDaniel A. Nowak, Michael D. Arnett, Srikanth C. Kottilingam, Charles G. Mukira
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Abstract
A method of welding superalloy components comprising: pre-heat one or more components to be welded to a temperature of at least 1500° F. in a substantially enclosed inert gas atmosphere; supplying multiple fillers to the weld zone, at least two of said fillers having different compositions; and welding the one or more preheated components utilizing a laser beam, while maintaining said pre-heat temperature.
Claims14
A method of welding components comprising:
- preheating one or more components to be welded to a pre-heat temperature of at least 1500° F. in a substantially enclosed inert gas atmosphere;
- supplying multiple fillers to the weld zone, at least two of said fillers having different compositions;
- and
- welding the one or more preheated components utilizing a laser beam, while maintaining said pre-heat temperature.
1 more element
A method of welding superalloy turbine components comprising:
- preheating the one or more components to be welded to a pre-heat temperature of at least 1500° F. in a substantially enclosed inert gas atmosphere;
- supplying multiple fillers of identical composition to the weld zone utilizing at least two different filler supply methods;
- and
- welding the one or more preheated components utilizing a laser beam, while maintaining said pre-heat temperature.
1 more element
Dependencies are inferred from the claim text.