Abrasive particles comprising shaped abrasive particles each having a sidewall, each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by a sidewall and having a maximum thickness, T; and the shaped abrasive particles further comprising a p
Abrasive particles comprising shaped abrasive particles each having a sidewall, each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by a sidewall and having a maximum thickness, T; and the shaped abrasive particles further comprising a plurality of grooves on the second face.
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1. Abrasive particles comprising: shaped abrasive particles each having a sidewall, each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by the sidewall and having a maximum thickness, T;a perimeter of the first face and a perimeter of th
1. Abrasive particles comprising: shaped abrasive particles each having a sidewall, each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by the sidewall and having a maximum thickness, T;a perimeter of the first face and a perimeter of the second face comprises a triangle;a draft angle α between the second face and the sidewall and the draft angle α is between about 95 degrees to about 130 degrees; andthe shaped abrasive particles further comprising a plurality of grooves on the second face. 2. The abrasive particles of claim 1 wherein the plurality of grooves comprise parallel lines on the second face. 3. The abrasive particles of claim 2 wherein the plurality of grooves extend completely across the second face and intersect with a first edge of the second face at a 90 degree angle. 4. The abrasive particles of claim 1, 2, or 3 wherein the cross sectional geometry of the plurality of grooves comprises a triangle or a truncated triangle. 5. The abrasive particles of claim 1, 2, or 3 wherein the plurality of grooves comprises a percent spacing and the percent spacing is between about 1% to about 50%. 6. The abrasive particles of claim 1, 2, or 3 wherein each of the plurality of grooves comprises a depth, D, and a percentage ratio of D/T is between about 0.1% to about 30%. 7. The abrasive particles of claim 1, 2, or 3 wherein the draft angle α between the second face and the sidewall is between about 95 degrees to about 120 degrees. 8. The abrasive particles of claim 1, 2, or 3 wherein the perimeter of the first face and the perimeter of the second face comprise an equilateral triangle. 9. The abrasive particles of claim 1, 2, or 3, wherein the first face is recessed or concave and the second face is substantially planar. 10. The abrasive particles of claim 1, 2, or 3, wherein the first face is convex and the second face is concave. 11. The abrasive particles of claim 1 wherein the plurality of grooves comprises a cross hatch pattern of intersecting lines. 12. The abrasive particles of claim 1 comprising a binder forming an abrasive article selected from the group consisting of bonded abrasive articles, coated abrasive articles, nonwoven abrasive articles, and abrasive brushes. 13. A coated abrasive article comprising the abrasive particles of claim 1, and a make coat on a first major surface of a backing and a blend of the shaped abrasive particles adhered to the make coat by the sidewall forming an abrasive layer, the abrasive layer coated with a size coat, and wherein the blend of the shaped abrasive particles comprises a plurality of shaped abrasive particles with the plurality of grooves and a plurality of shaped abrasive particles without the plurality of grooves. 14. The abrasive article of claim 13 wherein the blend of the shaped abrasive particles comprises approximately 40%-60% by weight of the shaped abrasive particles with the plurality of grooves and approximately 40%-60% by weight of the shaped abrasive particles without the plurality of grooves. 15. The abrasive particles of claim 1, 2, or 3 wherein the plurality of grooves comprises a percent spacing and the percent spacing is between about 1% to about 20%. 16. The abrasive particles of claim 1, 2, or 3 wherein each of the plurality of grooves comprises a depth, D, and a percentage ratio of D/T is between about 0.1% to about 10%. 17. Precursor abrasive particles comprising: precursor shaped abrasive particles each having a sidewall, each of the precursor shaped abrasive particles comprising aluminum oxide monohydrate and having a first face and a second face separated by the sidewall;a draft angle α between the second face and the sidewall and the draft angle α is between about 95 degrees to about 130 degrees; andthe precursor shaped abrasive particles further comprising a plurality of grooves on the second face. 18. The precursor abrasive particles of claim 17 wherein the plurality of grooves comprise parallel lines on the second face. 19. The precursor abrasive particles of claim 18 wherein the plurality of grooves extend completely across the second face and intersect with a first edge of the second face at a 90 degree angle. 20. The precursor abrasive particles of claim 17 wherein the cross sectional geometry of the plurality of grooves comprises a triangle or a truncated triangle. 21. The precursor abrasive particles of claim 17 wherein the plurality of grooves comprises a percent spacing and the percent spacing is between about 1% to about 20%. 22. The precursor abrasive particles of claim 17 wherein each of the plurality of precursor abrasive particles comprise a maximum thickness, T; each of the plurality of grooves comprises a depth, D, and a percentage ratio of D/T is between about 0.1% to about 10%. 23. The precursor abrasive particles of claim 17 wherein the draft angle α between the second face and the sidewall is between about 95 degrees to about 120 degrees. 24. The precursor abrasive particles of claim 23 wherein a perimeter of the first face and a perimeter of the second face comprise a triangle. 25. The precursor abrasive particles of claim 24 wherein the draft angle α between the second face and the sidewall is between about 95 degrees to about 100 degrees. 26. The abrasive particles of claim 8 wherein the draft angle α between the second face and the sidewall is between about 95 degrees to about 100 degrees.
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Martin Lawrence L. (St. Paul MN) Storer Jonathan (St. Paul MN) Carpenter Michael W. (St. Paul MN), Method of coating alumina particles with refractory material, abrasive particles made by the method and abrasive product.
Erickson Dwight D. (Oakdale MN) Monroe Larry D. (Eagan MN) Wood Thomas E. (Stillwater MN) Wilson David M. (Bloomington MN), Method of making alpha alumina-based abrasive grain containing silica and iron oxide.
Spurgeon Kathryn M. (River Falls WI) Culler Scott R. (Burnsville MN) Hardy David H. (New Richmond WI) Holmes Gary L. (Vadnais Heights MN), Method of making an abrasive article.
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Seitz, David S.; Edblom, Elizabeth C.; McKeague, Karl T., Patterned surface friction materials, clutch plate members and methods of making and using same.
Coblenz William S. (Arlington VA) Kavanaugh Michael D. (North Grafton MA), Process for the preparation of ceramic flakes, fibers, and grains from ceramic sols.
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Berg Todd A. (Louis Park) Rowenhorst Donley D. (Maplewood) Berg James G. (Lino Lakes MN) Leonard William K. (River Falls WI), Shaped abrasive particles and method of making same.
Rue Charles V. (Petersham MA) van de Merwe Ronald H. (Niagara Falls CAX) Bauer Ralph (Niagara Falls CAX) Pellow Scott W. (Niagara Falls CAX) Cottringer Thomas E. (Niagara Falls CAX) Klok Richard J. (, Sintered sol gel alumina abrasive filaments.
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Keipert, Steven J.; Thurber, Ernest L.; Anderson, Thomas J., Method of making a coated abrasive article having shaped abrasive particles and resulting product.
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