Abstract
Optimum conditions of preparation of abrasive powders using scrap from the manufacture of Silinit-R tool material have been determined. The strength of grains of powders investigated is comparable to or higher than, depending on their size, that of AS15 and AS6 synthetic diamond grains. The energy of rupture of their grains substantially exceeds that of grains of a silicon carbide abrasive powder, and grows with increasing filler content. Silinit with the maximum filler content is superior in abrasive ability to titanium carbide or titanium boride but inferior to Kubonit. Abrasive powders from Silinit tool material are suitable for the manufacture of abrasive tools.
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