Tungsten Copper Electrode Infiltration III

Other experiment uses three different granularity of tungsten powder (8.7μm, 23.2μm and 65.2μm) for W-15Cu tungsten copper electrode. They thought different process parameters and tungsten powder granularity accounts for obturator or the changing of W-W adjacency rate, which has an effect on the density and resistivity. Nowadays, tungsten copper contacts made of 4-8μm (tungsten powder) granularity is widely used worldwide, which has good molding, contraction, low coefficient of thermal expansion and it is easily to be controlled in size or the porosity of tungsten blank.

In order to achieve that corrosion ratio and the efficiency of machining in electrical discharge machining (EDM) with tungsten copper electrode by diverse granularity of tungsten powder, researchers use 1.0-3.0μm five kinds of tungsten powder as tungsten copper electrode. It demonstrates that 2.0 μm average granularity of tungsten copper has better properties in 80WC-20Co tungsten carbide machining.

More infomation about tungsten copper electrode infiltration, click here:

http://news.chinatungsten.com/en/tungsten-information/79730-ti-10171 
http://news.chinatungsten.com/en/tungsten-information/79780-ti-10172

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