ABRASIVE PARTICLES, ABRASIVE ARTICLES, AND METHODS OF MAKING AND USING THE SAME
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United States of America Patent
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Dec 19, 2013
app pub date -
Jun 13, 2012
filing date -
Jun 13, 2012
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Abstract
Abrasive particles comprise an alpha-alumina crystalline phase and from 0.25 to 20 percent by weight of a beta-alumina crystalline phase, based on the total weight of the alpha-alumina crystalline phase and the beta-alumina crystalline phase combined. The beta-alumina crystalline phase is represented by the empirical formula (X)(Q)Al10O17, wherein: X is selected from the group consisting of Sr, Ca, and Ba; and Q is selected from the group consisting of Mg, Co, Ni, and Zn. Methods of making and using the abrasive articles and abrasive articles are also disclosed.
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