IP Library › Granted Patent US 10,563,105
Granted Patent B2
US 10,563,105 · App. 15/420,701 · Granted Feb 18, 2020

Abrasive article including shaped abrasive particles

Inventors: Todd M. Cotter (Hudson, MA); Sidath S. Wijesooriya (Wayland, MA); Ronald Christopher Motta (Worcester, MA); Gary A. Guertin (Ashburnham, MA); Michael D. Kavanaugh (North Grafton, MA); Doruk O. Yener (Bedford, MA); Jennifer H. Czerepinski (Framingham, MA); Jun Jia (Newton, MA); Frederic Josseaux (Sausset les pins, FR); Ralph Bauer (Niagara Falls, CA); Frank J. Csillag (Hopkinton, MA); Francois Wagner (Nemours, FR); Yang Zhong (Hopkinton, MA); James P. Stewart (Leicester, MA); Mark P. Dombrowski (Worcester, MA); Sandhya Jayaraman Rukmani (Westborough, MA); Amandine Martin (Puteaux, FR); Stephen E. Fox (Worcester, MA); Nilanjan Sarangi (Shrewsbury, MA); Dean S. Matsumoto (Worcester, MA); Rene G. Demers (Niagara Falls, CA); Richard J. Klok (Niagara Falls, CA); Alexandra Marazano (Romans sur Isère, FR); Adam D. Lior (Brookline, MA); James A. Salvatore (Sutton, MA); Sujatha Iyengar (Northborough, MA); David F. Louapre (Paris, FR)
Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
C09K3/1409B24D3/14B24D99/00
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Quick Facts
Patent No.
US 10,563,105
App. No.
15/420,701
Granted
Feb 18, 2020
Kind
B2
Abstract

Various shaped abrasive particles are disclosed. Each shaped abrasive particle includes a body having at least one major surface and a side surface extending from the major surface.

Claims (20)

1. A shaped abrasive particle comprising a body including a first surface, a second surface, a side surface extending between the first surface and second surface, a flange portion extending from the side surface and the first surface; and wherein the body comprises a narrow end, a wide end, and a convex portion wherein the flange extends from the narrow end and the convex portion of the body.

2. The shaped abrasive particle of claim 1 , wherein the flange comprises a rounded shape.

3. The shaped abrasive particle of claim 1 , wherein the flange comprises a length that is less than a length of the body.

4. The shaped abrasive particle of claim 1 , wherein the flange has a height that is not greater than a thickness of the body.

5. The shaped abrasive particle of claim 1 , wherein the body comprises a single flange and wherein the single flange extends from the body and extends for a distance of not greater than 50% of a total peripheral length of the body.

6. The shaped abrasive particle of claim 5 , wherein the single flange extends around at least 1 exterior corner and not greater than 3 exterior corners.

7. The shaped abrasive particle of claim 1 , wherein the body comprises at least about 95 wt % alumina for a total weight of the particle.

8. The shaped abrasive particle of claim 1 , wherein the body consists essentially of alumina.

9. The shaped abrasive particle of claim 1 , wherein the body comprises a polycrystalline material.

10. The shaped abrasive particle of claim 1 , wherein the body is essentially free of a binder.

11. The shaped abrasive particle of claim 1 , wherein the body has an average grain size not greater than 100 microns.

12. The shaped abrasive particle of claim 1 , wherein the body has an average particle size of at least bout 100 microns.

13. The shaped abrasive particle of claim 1 , wherein the body comprises a dopant material selected from the group of hafnium, zirconium, niobium, tantalum, molybdenum, vanadium, lithium, sodium, potassium, magnesium, calcium, strontium, barium, scandium, yttrium, lanthanum, cesium, praseodymium, chromium, cobalt, iron, germanium, manganese, nickel, titanium, zinc, and a combination thereof.

14. The shaped abrasive particle of claim 13 , wherein the dopant material comprises a magnesium-containing species.

15. The shaped abrasive particle of claim 14 , wherein the magnesium-containing species is a distinct phase of material formed in the body of the shaped abrasive particle.

16. The shaped abrasive particle of claim 14 , wherein the body comprises a content of magensium-containing species of at least about 0.5 wt % for the total weight of the body.

17. The shaped abrasive particle of claim 1 , wherein the abrasive particle is incorporated into a fixed abrasive article.

18. The shaped abrasive particle of claim 1 , wherein the flange extends around a corner of the body.

19. A shaped abrasive particle comprising a body including a first surface, a second surface, a side surface extending between the first surface and second surface, a flange portion extending from the side surface and the first surface; and wherein the body comprises a narrow end and a wide end and wherein the flange extends from the wide end of the body.

20. The shaped abrasive particle of claim 19 , wherein the abrasive particle is incorporated into a fixed abrasive article.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 8, 2018
From: COTTER, TODD M.; WAGNER, FRANCOIS; DEMERS, RENE G.; KLOK, RICHARD J.; MARAZANO, ALEXANDRA; LIOR, ADAM D.; SALVATORE, JAMES A.; IYENGAR, SUJATHA; LOUAPRE, DAVID F.; WIJESOORIYA, SIDATH S.; MOTTA, RONALD CHRISTOPHER; GUERTIN, GARY A.; KAVANAUGH, MICHAEL D.; YENER, DORUK O.; CZEREPINSKI, JENNIFER H.; JIA, JUN; JOSSEAUX, FREDERIC; BAUER, RALPH; CSILLAG, FRANK J.; ZHONG, YANG; STEWART, JAMES P.; DOMBROWSKI, MARK P.; JAYARAMAN RUKMANI, SANDHYA; MARTIN, AMANDINE; FOX, STEPHEN E.; SARANGI, NILANJAN; MATSUMOTO, DEAN S.
To: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
Reel/Frame 046326/0001 →
Continuity (1)
Related Publication 20180215976A1 · Aug 2, 2018
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