CPC B24D 3/04 (2013.01) [B24D 3/10 (2013.01); B24D 3/18 (2013.01); B24D 18/00 (2013.01); C09K 3/1436 (2013.01)] | 20 Claims |
1. A method of making an abrasive article comprising:
forming a mixture comprising abrasive particles having an average size of at least 200 microns, a bond precursor material, and a foaming agent;
adding a foaming catalyst to the mixture, wherein the foaming catalyst interacts with the foaming agent to create bubbles in the mixture; and
forming a bonded abrasive body from the mixture, wherein the bonded abrasive body comprises a bond material comprising an inorganic material and further comprising a permeability as defined by Darcy's number of at least 350.
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