Effect of Tungsten Powder Granularity on W-Cu Electrode IV

Besides, according to the priority of the shortest distance, W grain will gather and come into being obturator when tungsten powder granularity is small. Due to the block and the unevenness of pores, the distance of electron is longer so that the conductivity decreases. On the contrary, the larger size of tungsten powder granularity distributes more uniformly, fewer pores left so that the distance of electron is straight and the conductivity is better.

In conclusion, firstly, the finer tungsten powder will cause much Cu gathering and have an effect on the uniformity of tungsten copper. Secondly, with tungsten powder granularity decreasing, the density and hardness of tungsten copper (W-Cu) will be remarkably improved. Finally, tungsten powder granularity has a huge effect on the porosity and micro-structure of tungsten copper.

More information about the effect of tungsten powder granularity on W-Cu electrode, click here:

http://news.chinatungsten.com/en/tungsten-information/79564-ti-10150 
http://news.chinatungsten.com/en/tungsten-information/79567-ti-10151 
http://news.chinatungsten.com/en/tungsten-information/79625-ti-10156

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