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An Investigation into the Solubility and Solidification Behavior of Molybdenum in Cu-Zn Liquids Abstract In electronics, connectors are machined from copper alloys. The copper alloys contain lead to enhance machinability and the productivity of the manufacturing operation. This project explores the possibility of replacing lead with molybdenum. Many aspects of the fundamental science, which would facilitate scale-up to an industrial process, are simply not known. One fundamental aspect is the solubility and solidification behavior of molybdenum in copper – zinc liquids. Seven different copper alloy samples were cast and examined using the methods of optical and scanning electron microcopy and X-ray diffraction to determine the amounts and compositions of the phases present. Alloy samples are also held at 500ºC for two weeks at in order to determine if any deleterious intermetallic compounds or crystallographic transformations occur in the system that would affect alloy processing. Biography
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