FIELD: preparation of abrasive powders with intermittent coating, possibly for making different type tools and also as separate products.
SUBSTANCE: abrasive powders whose particles have relief surface with protruded portions and recesses are coated only in recesses of their particles. In order to realize it, at first continuous coating is applied onto relief surface of particles. Then applied coating is partially removed at least from protruded portions of powder particle surfaces.
EFFECT: enhanced cutting capability of abrasive powders.
6 cl, 4 dwg, 3 ex
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