Solubility of yttrium in copper and its effect on the properties of leaded brasses
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Additions of 0.02–0.1% yttrium enhance the plasticity of copper and its alloys.
The solubility of yttrium in copper is less than 0.05% at 20°C.
When yttrium is added the zone of cold deformability of LS74-3 alloy and the zone of hot working of LS59-1 alloy expand; this can be exploited to speed up the pressure shaping technology and increasing the satisfactory output in the production of leaded brasses.
KeywordsCopper Yttrium Satisfactory Output Pressure Shaping Cold Deformability
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