Bonded abrasive article

Abstract

An abrasive article with an abrasive body a reinforcing member disposed within the body and a bond material that includes a bulk molding compound material. The abrasive article can have an average burst speed of at least (Formula (I)) wherein c is the circumferences of the wheel in mm.26800⁢RPM-27⁢RPMm⁢m*C(I)

1 . An abrasive article comprising:
 a body having an average thickness of not greater than 15 mm, the body comprising:
 abrasive particles contained in a bond material, wherein the bond material comprises an organic material; 
 a reinforcing member disposed in the body; and 
 a normalized average burst speed of at least 
   
       
         
           
             
               
                 26800 
                 ⁢ 
                     
                 RPM 
               
               - 
               
                 27 
                 ⁢ 
                 
                   RPM 
                   mm 
                 
                 * 
                 C 
               
             
           
         
       
       wherein c is the circumferences of the wheel in mm. 
     
     
         2 . The abrasive article of  claim 1  wherein the reinforcing member has an average aperture size of not greater than 15 mm 2 . 
     
     
         3 . The abrasive article of  claim 1  wherein the bond material comprises a bulk molding compound. 
     
     
         4 . The abrasive article of  claim 1  wherein the bond material comprises an additive including fibers. 
     
     
         5 . The abrasive article of  claim 4  wherein the fibers have an average length of at least 0.02 inches. 
     
     
         6 . The abrasive article of  claim 4  wherein the fibers comprise glass. 
     
     
         7 . The abrasive article of  claim 4  wherein the fibers comprise chopped strand fibers. 
     
     
         8 . The abrasive article of  claim 1  wherein the reinforcing member comprises a woven material comprising glass fibers. 
     
     
         9 . The abrasive article of  claim 1  wherein the reinforcing member extends for a majority of a radius of the body. 
     
     
         10 . The abrasive article of  claim 1  wherein the abrasive particles have a random distribution within the bond material. 
     
     
         11 . The abrasive article of  claim 1  wherein the abrasive particles have a random orientation relative to any surfaces of the body. 
     
     
         12 . The abrasive article of  claim 1  wherein the reinforcing member comprises a plurality of openings extending through the body of the reinforcing member and wherein the body comprises a fill percentage of the openings of at least 85%. 
     
     
         13 . The abrasive article of  claim 1  wherein the bond material extends throughout the entire volume of the body. 
     
     
         14 . The abrasive article of  claim 1  wherein the body comprises a porosity of not greater than 20 vol % for a total volume of the body. 
     
     
         15 . The abrasive article of  claim 1 , wherein the body comprises essentially no porosity. 
     
     
         16 . The abrasive article of  claim 4 , wherein the fibers have an average length of not greater than 0.25 inches. 
     
     
         17 . The abrasive article of  claim 4 , wherein the bond material comprises at least 1 vol % fibers for a total volume of the body. 
     
     
         18 . The abrasive article of  claim 1 , wherein the body comprises an average thickness (t) and an average diameter (D), and wherein the body comprises an aspect ratio (D:t) of at least 10:1. 
     
     
         19 . The abrasive article of  claim 1 , wherein the body comprises a porosity of not greater than 10 vol %. 
     
     
         20 . The abrasive article of  claim 2 , wherein the average aperture size is within a range of at least 0.1 mm 2  to not greater than 15 mm 2 .