Abrasive grain including rare earth oxide therin

Details Abrasive grain including rare earth oxide therin Abrasive grain including rare earth oxide therin

C - Chemistry, Metallurgy

09

K

C09K 3/14 (2006.01) B24D 3/28 (2006.01) C04B 35/119 (2006.01)

Patent

CA 2142466

A preferred abrasive grain comprises a sintered product of a precursor material comprising alumina, sirconia, and rare earth oxide. The preferred abrasive grain has an average hardness of at least about 21 GPa and an average toughness of at least about 4 MPa.m. A method of preparing preferred abrasive grain is provided. The improved abrasive grains are useful in abrasive products.

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