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Abstract: Twin-roll casting for aluminum alloys offers the advantage of eliminating the need for additional hot rolling, thereby simplifying the manufacturing process. However, the effects of inline hot rolling on the anisotropy of mechanical properties, particularly elongation, in roll-cast strips have not been extensively studied. In the context of high-speed twin-roll casting, inline hot rolling shapes the metal while the temperature of the cast strip is still within the optimal range for hot working. This study investigates the effectiveness of inline hot rolling on strips cast with an unequal diameter twin-roll caster, focusing on its ability to minimize surface cracking and improve elongation anisotropy. By varying temperature and thickness reduction during the process, we evaluated their impact on surface and mechanical properties. The findings demonstrate that inline hot rolling significantly reduces surface cracking and enhances the anisotropy of mechanical properties, offering valuable insights for optimizing the process.
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