Previous studies have shown that various additives can greatly improve the properties of copper based electrodes.In this paper, the influence of Cr content changes and different pressing and sintering process parameters on mechanical and physical properties was investigated.The results showed that 2 vol.%Cu-Cr powder composite alloys prepared by pressing pressure 450 MPa and sintering temperature of 1100 °C had the optimal mechanical and physical properties, and its density, porosity, hardness and tensile strength were 8,35 g/cm 3 , 2%, 124 HB and 264 MPa, respectively.In addition, the hardness was increased by 5-7% compared with that of pure copper prepared by conventional casting method.
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