Method for twin roll casting of aluminum clad magnesium
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United States of America Patent
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Feb 28, 2012
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app pub date -
Jul 16, 2008
filing date -
Jul 16, 2008
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Abstract
A method for twin roll casting aluminum clad magnesium by joining one or more sheets of aluminum cladding to molten magnesium during twin roll casting. The method includes feeding aluminum cladding to at least one roll of a pair of rotating rolls, feeding a core of molten magnesium into a continuous casting mold formed by the roll, solidifying the magnesium core by heat extraction to the rolls and through the aluminum cladding, surface treating the aluminum cladding and the magnesium core to prevent inter-diffusion between the aluminum cladding and the magnesium core, bonding the aluminum cladding with the magnesium core and extruding the composite core and aluminum cladding out of the continuous casting mold by a casting load exerted by the rolls.
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