Abstract

In a view point of full exploit age of limited resources, environmental friendly manufacturing process for production of Cu alloy including hard-to-shape alloy such as nickel-silver alloy is introduced and suggested. In the present study, the effects of continuous casting speed on mechanical property and microstructure of leaded German silver(Cu-Ni-Zn) alloy were studied and energy requirements, atmospheric CO2 emission and yield for the production of the Cu-Ni-Zn alloy was investigated quantitatively with respect to continuous casting with small cross section and conventional material processing including casting, extrusion and heat treatment. The yield for production of Cu-Ni-Zn alloy wire can be improved above 30% by application of the continuous casting with small cross when the productivity is similar. A twice of energy requirement and CO2 were consumed and emitted in extrusion process when the yield of extrusion process is considered. I

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