New Methods of Comminuting Powders of Refractory-Metal Carbides
The optimum conditions for comminuting zirconium carbide by means of ultrasound and by using a planetary centrifugal mill have been determined. The use of ultrasound leads to the production of powder having spherical particles with a high degree of dispersivity and containing only a small amount of ground impurities. To reduce the impurities ground from the surface of the planetary centrifugal mill during comminution, it is proposed that a zirconium carbide lining to the mill be used.
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