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Bonded abrasive article and method of grinding

  • US 9,833,877 B2
  • Filed: 03/31/2014
  • Issued: 12/05/2017
  • Est. Priority Date: 03/31/2013
  • Status: Active Grant
First Claim
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1. An abrasive wheel configured to grind a workpiece having a fracture toughness of at least about 5.5 MPa·

  • m0.5 comprising;

    a body comprising abrasive particles contained within a bond material comprising a metal and at least about 1 vol. % of an active bond composition for a total volume of the bond material,wherein the body comprises a ratio of VAG/VBM of at least 1.7 and not greater than 9.0, wherein VAG is a volume percent of abrasive particles within a total volume of the body and VBM is a volume percent of bond material within the total volume of the body,wherein the abrasive particles have an average particle size of at least about 1 micron and not greater than about 20 microns,wherein the body comprises at least about 30 vol. % porosity, andwherein the abrasive wheel comprises a tip radius of not greater than 0.002 inches.

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