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AssigneeExxonMobil Research and Engineering Company
InventorsSteven Ford, Neeraj Thirumalai, James Rigby, Mark Biegler, Narasimha-Rao Venkata Bangaru, Jayoung Koo, Glen Vaughn, Raghavan Ayer, Douglas Fairchild
Estimating the term…
A method for welding and repairing cracks in metal parts is provided by subjecting the metal parts to be welded to friction stir welding and the cracks to be repaired to friction stir processing under conditions sufficient to provide a weld joint or crack repair having a preselected property or set of properties based upon the intended use of the weldment. The FSW and FSP methods are advantageous in joining and repairing metal structures and components in applications for natural gas transportation and storage, oil and gas well completion and production, and oil and gas refinery and chemical plants.
A method for welding metal parts and repairing cracks in metal parts by subjecting the faying surfaces of the metal parts to be welded to FSW and the cracks to be repaired to FSP under conditions sufficient to provide a weld joint or crack repair having a preselected property or set of properties based on the intended use of the weldment.
A method for welding two pieces of metal to produce a weld joint having a specific property or set of properties chosen for an intended application, the method comprising:
An oil/gas and/or petrochemical ferrous or non-ferrous material component comprising:
An oil/gas and/or petrochemical ferrous or non-ferrous material component comprising:
Dependencies are inferred from the claim text.