Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 19, 2006
Patent Application Number
10715892
Date Filed
November 18, 2003
Patent Primary Examiner
Patent abstract
A weld nugget between aluminum alloy parts is inoculated with a material in order to refine the grain structure of the weld and thereby improve its mechanical strength. The inoculate may be a Ti or Na based compound in the form of a paste, powder or film, which is applied to the sheets before welding. The inoculation promotes nucleation of desirable equiaxed grain within the molten weld nugget as the weld cools and solidifies.
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