C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
57/15
C09K 3/14 (2006.01) C01B 21/072 (2006.01) C04B 35/10 (2006.01) C04B 35/111 (2006.01) C04B 35/581 (2006.01)
Patent
CA 1327453
Abstract of the Disclosure The present invention provides a nearly fully dense, microcrystalline, composite ceramic abrasive particle comprising grains of alumina, gamma-aluminum oxynitride and, optionally, a Periodic Group IVB metal nitride in the system Al2O3/ALON/Group IVB metal nitride. In another aspect, two different processes for making an abrasive particle such as an abrasive grit, comprising a multiphase mixture of microcrystalline components in this system using sol gel techniques and pressureless reaction-sintering, are disclosed.
550066
Forester Thomas E.
Mathers James P.
Wood William P.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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