Abrasive grain having rare earth oxide therein

Details Abrasive grain having rare earth oxide therein Abrasive grain having rare earth oxide therein

1995-05-26

1996-03-12

Jones, Deborah

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51294, 51309, B24D 1100, B24D 1102

Patent

active

054982693

ABSTRACT:
A preferred abrasive grain comprises a sintered product of a precursor material comprising alumina, zirconia, 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.multidot.m.sup.1/2. A method of preparing preferred abrasive grain is provided. The improved abrasive grain are useful in abrasive products.

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