PARTICULAS ABRASIVAS,ARTIGO ABRASIVO E PROCESSO PARA FAZER PARTICULAS ABRASIVAS

Abrasive particles comprising a core of alumina-based mineral coated by cathodic arc deposition to provide a first layer of a first refractory material, the first layer being substantially uniform, and a second refractory material covering at least a portion of the first refractory material. The cor...

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Bibliographische Detailangaben
Hauptverfasser: MICHAEL W. CARPENTER, JONATHAN G. STORER, LAWRENCE L. MARTIM
Format: Patent
Sprache:por
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Beschreibung
Zusammenfassung:Abrasive particles comprising a core of alumina-based mineral coated by cathodic arc deposition to provide a first layer of a first refractory material, the first layer being substantially uniform, and a second refractory material covering at least a portion of the first refractory material. The core can be fused alumina or an alumina-based ceramic. Improved abrasive products having at least a portion of their conventional abrasive particles replaced with the coated abrasive particles are also provided.