Aluminium and zirconium oxynitride abrasive grains

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 3/14 (2006.01) B24D 3/14 (2006.01) C01B 21/082 (2006.01) C04B 35/107 (2006.01) C04B 35/109 (2006.01) C04B 35/111 (2006.01) C04B 35/117 (2006.01) C04B 35/581 (2006.01) C04B 35/653 (2006.01)

Patent

CA 2511069

The invention concerns corundum-zirconia abrasive grains containing more than 50 wt. % of alumina-zirconia eutectic mixture, characterized in that they contain 0.3 to 3 % nitrogen, and more than 75 % of the zirconia crystals are cubic in shape. Said abrasive grains are used in particular for making die grinders, abrasive fabrics and papers, polishing compound and sprayed abrasives.

L'invention a pour objet des grains abrasifs à base de corindon-zircone contenant en poids plus de 50% de mélange eutectique alumine-zircone, caractérisés en ce qu'ils contiennent de 0,3 à 3% d'azote, et que les cristaux de zircone sont à plus de 75% sous forme cubique. Ces grains abrasifs sont utilisés notamment pour la fabrication de meules de rectification, de toiles et papiers abrasifs, de pâte à polir et d'abrasifs projetés.

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