Copper - Tungsten Carbide - Carbon - Titanium - Rare Earth Alloy Material

The present invention describes a copper - tungsten - carbon - titanium - rare earth alloy material, the copper - tungsten - carbon - titanium - rare earth alloy materials by Cu, WC, C, Ti, rare earth elements, and each substance mass percentage content follows: WC5-20%, C1.0-4%, Ti0.8-2.5%, 0.1-1.2%, rare earths, and the balance Cu. Characterized in that:

1) The alloy material is a metal - carbide series based on the development of a new successful electrical contact materials, which reduces the content of WC, increases the weight percentage of Cu with good conductive properties, to improve the material's electrical conductivity, reduced the effect of resistivity, effective control of the material technical problems in the use of temperature rise, the heat burning the contacts;

2) While adding a small amount of an appropriate amount of C and Ti, rare earth elements, to further improve the welding resistance, electrical wear resistance and overall performance of electric arc, the electrical life of other materials;

3) In particular, the use of advanced mechanical alloying production process, replacing the traditional mix powder metallurgy method to improve the degree of fine material internal organizational structure, so that the scope of application of the material switches from a particular large current appliances, circuit breakers use extended to most moderate current series of switches, circuit breakers can be used.

4) Especially in the silver section, there is a significant effect on saving silver, low cost advantages as well, so it  has a  market prospect.

tungsten -carbide-powder


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