http://orcid.org/0000-0002-8460-4770
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Abstract
A single-roll caster equipped with two scrapers and an unequal-diameter twin-roll caster equipped with two scrapers are proposed for casting clad strip without centerline porosity or segregation. Although usually found in roll cast 5182 strip, no centerline porosity or segregation occurred in the 5182 strip, which was the overlay clad strip cast by both types of roll casters. The interface between the 5182 strips and the 3003 base strip was clear. The two strips consisting of layers of the clad strip were bonded strongly at the interface. Both roll casters could cast the clad strip at 30 m/min. This casting speed is much higher than that for the conventional twin-roll caster for aluminum alloys.