Tungsten-copper composite material is pseudo alloy mainly composed of copper and tungsten. Due to the large physical differences between copper and tungsten , this composite can not be produced by casting method. Tungsten-copper composite materials have combined the both advantages of tungsten and copper, widely applying in mechanical, electrical, electronics, metallurgy, aerospace and other industries.
Advantage and Application:
With high density, transpiration cooling performance, high temperature strength and resistance to erosion ablative properties, tungsten-copper composite is used for producing nozzle throat for missile,rocket and other aerospace industry,together with gas rudder components, air rudder, hoods and counterweight components;
After sintered under temperature above 2000 ℃ and treated under overall high vacuum, tungsten-copper matrix composite possess consistent texture, low gas and impurity content, high conductivity, better composite interface, and a high dense copper layer,and become a better materials for vacuum switch contact ;
With high electrical corrosion rate, low loss rate, precise electrode shape, excellent processing performance, and good surface after processing, tungsten-copper composite is commonly used for processing to EDM electrodes;
Combining tungsten's low expansion characteristics, with high thermal conductivity properties of copper,tungsten-copper composite materials are excellent electronic packaging materials.
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