Weldable metal article
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United States of America Patent
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Jul 22, 2014
Issued Date -
N/A
app pub date -
Apr 14, 2010
filing date -
Apr 16, 2009
priority date (Note) -
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Abstract
The invention relates to an extruded or rolled clad metal article having a core metal layer and a cladding metal layer on at least one surface of the core layer, wherein the metals of the core metal layer and the cladding metal layer are each aluminum alloys, preferably an aluminum-magnesium alloy, having at least Sc in a range of 0.05% to 1%, and wherein the Sc-content in the core metal layer is lower than in the cladding metal layer. This further relates to a welded structure incorporating such a metal article.
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