Abrasive grain with metal oxide coating, method of making...

Details Abrasive grain with metal oxide coating, method of making... Abrasive grain with metal oxide coating, method of making...

C - Chemistry, Metallurgy

09

K

C09K 3/14 (2006.01) C04B 35/10 (2006.01) C04B 35/111 (2006.01) C04B 35/628 (2006.01)

Patent

CA 2139313

A method of preparing preferred abrasive grain material is provided. The method involves steps of coating a non-sintered aluminum base particles with a metal alkoxide containing coating; heating to convert the coating to a metal oxide coating; and then sinter the base particles to provide sintered particles having an alpha alumina-based core with an autogenously bonded me- tal oxide coating. The invention also concerns improved abrasive grain materials and abrasive products (1,10) including the im- proved abrasive grain materials (4,11,52) therein.

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