Twin roll casting of aluminum alloy ADC12 using commercial machine

Abstract

Twin roll strip casting of aluminum alloy ADC12 using commercial scale machine was operated. Roll diameter is 1,000 mm and the width is 240 mm. Roll material is SKD61. The aims of this study is to investigate the possibility of strip casting for aluminum alloy. The effect of the gap between the rolls and the roll speed on the strip surface condition was researched. ADC12 strip was able to be produced continuously at the conditions of pouring temperature 590 ℃, initial roll gap 1.0 mm and roll speed 10 m/min. Strip surface had a metallic luster. Flakes were created with the roll gap of 2 mm. At the roll gap of 3 mm, the molten metal passed through without solidifying at the roll gap portion. The strip was able to be produced continuously at the conditions of initial roll gap 1.0 mm and roll speed 20 m/min.