Superfine spherical tungsten powder has good fluidity and high density, and is widely used in industrial production. The porous tungsten cathode materials prepared with superfine spherical tungsten powder have more uniform pores and will replace the conventional tungsten powder for the preparation of porous tungsten components.
In the field of powder metallurgy, superfine spherical tungsten powder has high density of pine, which is very uniform during sintering process and can achieve good size control.
Radio frequency plasma with high temperature (104°C), plasma torch large volume, high energy density, heat transfer and cooling speed, uniform is the preparation of components, the spherical degree is high, less defects, liquid spherical powder is a good way. With plasma as the heat source, it has a great technical advantage in refractory metal spherification treatment.
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