Tungsten Copper Electrode and Other Materials Comparison VII

Besides graphite, copper, and Cu-based alloy, Cu-based composite material is also a kind of common materials of electrode.

3. Cu-based Composite Material

Cu-based composite electrode has good conductivity and thermo-plasticity and use air and water as medium, which usually for EDM or polishing. It is composed of 60%-65% solid carbon material (such as graphite powder, graphite slices or carbon nano-tubes and other mixture) distributes thermoplastic matrix and soften over and over again for molding. Compared with graphite and tungsten copper electrode, it has many advantages, like low cost, available for complicated shape and better efficiency, etc.

However, due to its density is much lower than tungsten copper, the electrical resistivity is higher and the wastage of electrode is increasing. This composite material is under development, which requires that low electrical resistivity, low coefficient of expansion, thermal cycling resistance, excellent conductivity and good dimensional stability in liquid.












 

More information about tungsten copper electrode and other materials comparison, click here:

http://news.chinatungsten.com/en/tungsten-information/79286-ti-10093 
http://news.chinatungsten.com/en/tungsten-information/79316-ti-10129 
http://news.chinatungsten.com/en/tungsten-information/79338-ti-10130 
http://news.chinatungsten.com/en/tungsten-information/79339-ti-10131 
http://news.chinatungsten.com/en/tungsten-information/79397-ti-10135 
http://news.chinatungsten.com/en/tungsten-information/79398-ti-10136

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