CPC C09K 3/1436 (2013.01) [H01F 1/11 (2013.01)] | 17 Claims |
1. A method of making magnetizable abrasive particles, comprising:
forming a ceramic particle precursor from a sol-gel precursor material, the sol-gel precursor material comprising alpha-alumina, wherein forming comprises drying the sol-gel precursor material in a shaped mold cavity;
applying a coating directly to a surface of the ceramic particle precursor, wherein the, coating comprises a magnetically responsive material; and
firing the coated ceramic particle precursor to create a sintered ceramic particle and wherein, after firing, the magnetically responsive material is responsive to a magnetic field.
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