Introduction and Application of Tungsten Copper Alloy

Tungsten copper alloy is a powder metallurgical material produced by the means of infiltration with copper contents from 10 to 40% typically 75% tungsten 25% copper, materials are back-cast with copper and can be joined by welding or brazing with various supporting materials.

Advantages of tungsten copper alloy:
  high arc resistance combined with good electrical conductivity
  high thermal conductivity
  low thermal expansion
  back-castable with Cu

Application of tungsten copper alloy:
  arcing contacts in high and medium voltage breakers fortransmission and distribution of electrical power.
  carrier plates or heat sinks as passive cooling elements of electronic devices.
  erosion electrodes for EDM made of Sparkal.
  electrodes for other applications (surge protection, welding, laser  applications)


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