| abstract |
Abrasive particles comprising ceramic (including glasses, crystalline ceramics, and glass-ceramics) comprising (on a theoretical oxide basis) Al 2 O 3 and at least one other metal oxide (e.g., REO and; REO and at least one of ZrO 2 or HfO 2 ) and methods of making the same. The abrasive particles can be incorporated into a variety of abrasive articles, including bonded abrasives, coated abrasives, nonwoven abrasives, and abrasive brushes. |