C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
57/18, 261/28
C04B 35/48 (2006.01) C04B 35/119 (2006.01) C09K 3/14 (2006.01)
Patent
CA 1298322
ABSTRACT An abrasive grit is made by sintering a seeded alumina gel containing zirconia powder. At least 50% of the zirconia is in the tetragonal stabilized crystal structure with up to 50% being in the monoclinic form. The zirconia powder is produced by rapid quenching, preferably in quenching of a fusion of zirconia with or without a stabilizing agent such as yttrium oxide. The abrasive grits so produced are useful in heavy duty grinding of both stainless and carbon steel.
566376
Bauer Ralph
Knapp Christopher E.
Pellow Scott W.
Trischuk Ronald W.
Gowling Lafleur Henderson Llp
Norton Company
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