Tungsten copper alloy
An alloy of tungsten and copper. The copper content of common alloys is 10% to 50%. The alloy is prepared by powder metallurgy method and has good electrical and thermal conductivity, good high temperature strength and certain plasticity. At very high temperatures, such as above 3000 ° C, the copper in the alloy is liquefied and evaporated, which absorbs a large amount of heat and lowers the surface temperature of the material. So this type of material is also known as metal sweating material.
Tungsten-copper alloys have a wide range of applications, mainly for the manufacture of high-voltage electrical switch contacts for arc ablation and high-temperature components such as rocket nozzle throat linings and tail rudders, as well as electrodes for electromachining, high temperature molds and others. Requirements for conductive and thermal conductivity and high temperature use
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