Casting of clad strips using a twin roll caster

Three types of roll casters for clad strips were devised and investigated. In these roll caster, a horizontal type twin roll caster was useful for clad strip casting. This paper described features of clad strip casting using this caster and clad strips. The clad strip could be cast directly from melt. The two pieces of strips could be connected easily by very small force, for example, 5N/mm width. Interface between the strips was formed clearly, and two pieces of strips were connected strongly. To cast strongly connected clad strip, connecting surface had to be semi-solid condition. Both of overlay type clad strip and inlay type clad strip could be cast using the twin roll caster in this study. Wire could be inserted easily into the clad strip using this twin roll caster. The clad strip was rapidly solidified like a single strip. Casting conditions which affected the connection of the strips, the interface between the strips and diffusion of the element were investigated in the present study.