The properties of tungsten copper alloy are mainly reflected in the following aspects: small volume expansion coefficient, excellent electrical conductivity, thermal conductivity, high temperature resistance, wear resistance, corrosion resistance and oxidation resistance.
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In terms of production, due to the relatively large melting points of tungsten and copper, tungsten-copper alloy cannot be produced by melting and casting, and powder alloy technology is generally used.
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The steps to prepare tungsten-copper alloy using powder metallurgy include: Powder making: Mix tungsten powder and copper powder according to a certain ratio to obtain the required powder mixture; Batching mixing: Batter the mixed powder to make its composition comply with Requirements; Press molding: Put the prepared powder into the mold and apply pressure to shape it; Sintering and infiltration: The formed body is sintered to allow the atoms of tungsten and copper to penetrate each other to form an alloy; Cold working: Sintering The final blank is subjected to cold processing, such as cutting, grinding, etc., to obtain the required shape and size.
