Method for manufacturing a metal assembly
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United States of America Patent
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Jul 5, 2016
Grant Date -
Mar 14, 2013
app pub date -
Mar 11, 2011
filing date -
Mar 12, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a method for manufacturing an aluminum/metal assembly including the steps involving: thermally processing an aluminum sheet by heating said sheet to a temperature of between 80% and 100% of the melting temperature of the material of which it consists for a sufficiently long duration to create and stabilize by allotropic conversion an alpha alumina layer at the surface of said aluminum sheet, and then cooling same; providing a metal layer having a ductility less than or equal to the ductility of the aluminum sheet after cooling, said layer having surface irregularities having a depth greater than or equal to the thickness of the alpha alumina layer; and roll bonding the aluminum layer and the metal layer to produce the metal assembly.
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International Classification(s)
- C23C:COATING METALLIC MATERIAL; COATING MATERIAL WITH M....
- B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....
- B22F:WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES F....
- F28F:DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATU....
- C22F:CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS MET....
- B21D:WORKING OR PROCESSING OF SHEET METAL OR METAL TUBE....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- C22C:ALLOYS
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