| Recently, it has become increasingly difficult for only a single metallic material to meet the demand, which asks for the effective charateristics, such as mechanical properties and electric conductivity, at the same time. The development of clad material, which consists of two or more metals, has risen in which the clad material has developed advanced fuctional properties by utilizing the property of each metal. In this paper, Al/Cu clad composite material fabricated by indirect extrusion method which has similar advantage of hydrostatic extrusion method there is no friction between billet surface and container in. It was to find the suitable extrusion conditions on working criterion and bonding charateristics of interface along the variation of extrusion conditions and heat treatment temperature. |
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