Grading spherical tungsten powder has the advantages of fine particle size, large specific gravity, and high purity. It is a raw material for preparing thorium tungsten cathodes and micro tungsten filters. It can be prepared by grading with a fluidization technique.
Preparation
Grading spherical tungsten powder is prepared by a fluidization technology grading method. This method can reduce or avoid the false granulation of the powder and the wall effect of the grading equipment. It effectively prepares graded tungsten powder that meets the special requirements of thorium-tungsten cathodes in particle size composition.
Applications
Grading spherical tungsten powder is used to prepare yttrium tungsten cathodes and micro tungsten filters, which can significantly improve and control the physical properties of products and materials. The thorium-tungsten cathode emission properties prepared with graded tungsten powder have been significantly improved and improved.
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