Ceramics, and methods of making and using the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C03C-010/02
C03C-010/00
C03C-003/253
C03C-003/12
C03C-003/14
C03C-003/145
C03C-003/15
C03C-003/155
C03C-003/062
C03C-003/064
C03C-003/068
C09K-003/14
C03B-032/02
C03B-032/00
출원번호
US-0902455
(2004-07-29)
등록번호
US-7332453
(2008-02-19)
발명자
/ 주소
Rosenflanz,Anatoly Z.
Endres,Berkan K.
Anderson,Thomas J.
출원인 / 주소
3M Innovative Properties Company
대리인 / 주소
Allen,Gregory D.
인용정보
피인용 횟수 :
8인용 특허 :
96
초록
Ceramics (including glasses and glass-ceramics) comprising nitrogen, and methods of making the same.
대표청구항▼
What is claimed is: 1. Glass comprising (a) in a range from 35 to 65 percent by weight Al2O3 and (b) at least 0.1 percent by weight N, based on the total weight of the glass, wherein the glass contains not more than 10 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V
What is claimed is: 1. Glass comprising (a) in a range from 35 to 65 percent by weight Al2O3 and (b) at least 0.1 percent by weight N, based on the total weight of the glass, wherein the glass contains not more than 10 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass. 2. The glass according to claim 1, wherein the glass comprises at least 0.2 percent by weight N, based on the total weight of the glass. 3. The glass according to claim 1, wherein the glass further comprises at least one metal oxide other than Al2O3 selected from the group consisting of BaO, CaO, CeO2, CuO, Dy2O3, Er2O3, Eu2O3, Gd2O3, Ho2O3, La2O3, Lu2O3, MgO, Nd2O3, Pr6O11, Sm2O3, Sc2O3, SrO, Tb2O3, Th4O7, TiO2, Tm2O3, Yb2O3, Y2O3, ZrO2, and combinations thereof. 4. Ceramic comprising the glass according to claim 1. 5. A method for making a glass according to claim 1, the method comprising: providing a melt comprising sources of Al2O3 and N sufficient to provide the melt with Al2O3 in a range from 35 to 65 percent by weight and (b) at least 0.1 percent by weight N, wherein the melt contains not more than 10 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the melt; and cooling the melt to provide the glass. 6. A method for making an article comprising glass, the method comprising: providing glass beads comprising glass according to claim 1, the glass having a Tg; heating the glass beads above the Tg such that the glass beads coalesce to form a shape; and cooling the coalesced shape to provide the article. 7. A method for making an article comprising glass, the method comprising: providing glass powder comprising glass according to claim 1, the glass having a Tg; heating the glass powder above the Tg such that the glass powder coalesces to form a shape; and cooling the coalesced shape to provide the article. 8. A method of making a glass-ceramic, the method comprising heat-treating glass according to claim 1 to convert at least a portion of the glass to the glass-ceramic. 9. Glass comprising (a) in arange from 40 to 65 percent by weight Al2O3, based on the total weight of the glass, (b) a first metal oxide other than Al2O3, (c) a second, different metal oxide other than Al2O3, and (d) at least 0.1 percent by weight N, based on the total weight of the glass, wherein the Al2O3, the first metal oxide, and the second metal oxide collectively comprise at least 75 percent by weight of the glass, and wherein the glass contains not more than 25 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass. 10. Ceramic comprising the glass according to claim 9. 11. A method for making a glass according to claim 9, the method comprising: providing a melt comprising sources of Al2O3, a first metal oxide other than Al2O3, a second, different metal oxide other than Al2O3, and N, wherein the Al2O3, and N is present in an amount sufficient to provide the melt Al2O3 in a range from 35 to 65 and at least 0.1 percent by weight N, wherein at least 70 percent by weight of the melt comprises the Al2O3, the first metal oxide, and the second metal oxide, and wherein the melt contains not more than 30 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the melt; and cooling the melt to provide the glass. 12. A method for making an article comprising glass, the method comprising: providing glass beads comprising glass according to claim 9, the glass having a Tg; heating the glass beads above the Tg such that the glass beads coalesce to form a shape; and cooling the coalesced shape to provide the article. 13. A method for making an article comprising glass, the method comprising: providing glass powder comprising glass according to claim 9, the glass having a Tg; heating the glass powder above the Tg such that the glass powder coalesces to form a shape; and cooling the coalesced shape to provide the article. 14. A method of making a glass-ceramic, the method comprising heat-treating glass according to claim 9 to convert at least a portion of the glass to the glass-ceramic. 15. Glass comprising Al2O3 in a range from 35 to 65 percent by weight, at least 0.1 percent by weight N, based on the total weight of the glass, at least one of REO or Y2O3, and at least one of ZrO2 or HfO2, wherein at least 80 percent by weight of the glass collectively comprises the Al2O3, the at least one of REO or Y2O3, and the at least one of ZrO2 or HfO2, based on the total weight of the glass. 16. The glass according to claim 15, wherein the glass comprises at least 0.2 percent by weight N, based on the total weight of the glass, and wherein at least 80 percent by weight of the glass collectively comprises the Al2O3, the at least one of REO or Y2O3, and the at least one of ZrO2 or HfO2, based on the total weight of the glass. 17. Ceramic comprising the glass according to claim 15. 18. A method for making a glass according to claim 15, the method comprising: providing a melt comprising sources of Al2O3, at least one of REO or Y2O3, and at least one of ZrO2 or HfO2, and N, wherein the Al2O3 is present in an amount sufficient to provide the melt with in a range from 35 to 65 percent by weight Al2O3, wherein the N is present in an amount sufficient to provide the melt with at least 0.1 percent by weight N, and wherein at least 80 percent by weight of the melt comprises the Al2O3, the at least one of REO or Y2O3, and the at least one of ZrO2 or HfO2, based on the total weight of the melt; and cooling the melt to provide the glass. 19. A method for making an article comprising glass, the method comprising: providing glass beads comprising glass according to claim 15, the glass having a Tg; heating the glass beads above the Tg such that the glass beads coalesce to form a shape; and cooling the coalesced shape to provide the article. 20. A method for making an article comprising glass, the method comprising: providing glass powder comprising glass according to claim 15, the glass having a Tg; heating the glass powder above the Tg such that the glass powder coalesces to form a shape; and cooling the coalesced shape to provide the article. 21. A method of making a glass-ceramic, the method comprising heat-treating glass according to claim 15 to convert at least a portion of the glass to the glass-ceramic. 22. Glass-ceramic comprising (a) in a range from 35 percent by weight Al2O3 and (b) at least 0.1 percent by weight N, based on the total weight of the glass-ceramic, wherein the glass-ceramic contains not more than 10 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass-ceramic. 23. The glass-ceramic according to claim 22, wherein the glass-ceramic comprises and at least 0.2 percent by weight of N, based on the total weight of the glass-ceramic. 24. Abrasive particles comprising the glass-ceramic according to claim 22. 25. A plurality of abrasive particles having a specified nominal grade, wherein at least a portion of the plurality of abrasive particles are abrasive particle according to claim 22. 26. An abrasive article comprising a binder and a plurality of abrasive particles, wherein at least a portion of the abrasive particles are the abrasive particles according to claim 22. 27. The abrasive article according to claim 26, wherein the abrasive article is a bonded abrasive article, a non-woven abrasive article, or a coated abrasive article. 28. A method for making a glass according to claim 22, the method comprising: heat treating glass to convert at least a portion of the glass to the glass-ceramic, the glass comprising (a) in a range from 35 to 65 percent by weight Al2O3 and (b) at least 0.1 percent by weight N, based on the total weight of the glass, wherein the glass contains not more than 10 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass. 29. A method for making an article, the method comprising: providing glass beads comprising glass, the glass comprising (a) in a range from 35 to 65 percent by weight Al2O3 and (b) at least 0.1 percent by weight N, based on the total weight of the glass, wherein the glass contains not more than 10 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of glass, and the glass having a Tg; heating the glass beads above the Tg such that the glass beads coalesce to form a shape; and heat-treating the coalesced glass to convert at least a portion of the glass to the glass-ceramic according to claim 22. 30. A method for making an article, the method comprising: providing glass powder comprising glass, the glass comprising (a) in a range from 35 to 65 percent by weight Al2O3 and (b) at least 0.1 percent by weight N, based on the total weight of the glass, wherein the glass contains not more than 10 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass, and, the glass having a Tg; heating the glass powder above the Tg such that the glass powder coalesces to form a shape; and heat-treating the coalesced glass to convert at least a portion of the glass to the glass-ceramic according to claim 22. 31. Glass-ceramic comprising (a) in a range from 35 to 65 percent by weight Al2O3, based on the total weight of the glass-ceramic, (b) a first metal oxide other than Al2O3, (c) a second, different metal oxide other than Al2O3, and (d) at least 0.1 percent by weight N, based on the total weight of the glass-ceramic, wherein the Al2O3, the first metal oxide, and the second metal oxide collectively comprise at least 70 percent by weight of the glass-ceramic, and wherein the glass-ceramic contains not more than 30 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass-ceramic. 32. The glass-ceramic according to claim 31, wherein the glass-ceramic comprises at least 0.2 percent by weight N, based on the total weight of the glass-ceramic, and wherein the Al2O3, the first metal oxide, and the second metal oxide collectively comprise at least 75 percent by weight of the glass, based on the total weight of the glass-ceramic. 33. Abrasive particles comprising the glass-ceramic according to claim 31. 34. A plurality of abrasive particles having a specified nominal grade, wherein at least a portion of the plurality of abrasive particles are abrasive particle according to claim 33. 35. An abrasive article comprising a binder and a plurality of abrasive particles, wherein at least a portion of the abrasive particles are the abrasive particles according to claim 33. 36. The abrasive article according to claim 35, wherein the abrasive article is a bonded abrasive article, a non-woven abrasive article, or a coated abrasive article. 37. A method for making a glass-ceramic, the method comprising: heat treating glass to convert at least a portion of the glass to the glass-ceramic according to claim 31, the glass comprising (a) in a range from 35 to 65 percent by weight Al2O3, based on the total weight of the glass, (b) a first metal oxide other than Al2O3, (c) a second, different metal oxide other than Al2O3, and (d) at least 0.1 percent by weight N, based on the total weight of the glass, wherein the Al2O3, the first metal oxide, and the second metal oxide collectively comprise at least 70 percent by weight of the glass, and wherein the glass contains not more than 30 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass. 38. A method for making an article, the method comprising: providing glass beads comprising glass, the glass comprising (a) in a range from 35 to 65 percent by weight Al2O3, based on the total weight of the glass, (b) a first metal oxide other than Al2O3, (c) a second, different metal oxide other than Al2O3, and (d) at least 0.1 percent by weight N, based on the total weight of the glass, wherein the Al2O3, the first metal oxide, and the second metal oxide collectively comprise at least 70 percent by weight of the glass, and wherein the glass contains not more than 30 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass, and the glass having a Tg; heating the glass beads above the Tg such that the glass beads coalesce to form a shape; and heat-treating the coalesced glass to convert at least a portion of the glass to the glass-ceramic according to claim 31. 39. A method for making an article, the method comprising: providing glass powder comprising glass, the glass comprising (a) in a range from 35 to 65 percent by weight Al2O3, based on the total weight of the glass, (b) a first metal oxide other than Al2O3, (c) a second, different metal oxide other than Al2O3, and (d) at least 0.1 percent by weight N, based on the total weight of the glass, wherein the Al2O3, the first metal oxide, and the second metal oxide collectively comprise at least 70 percent by weight of the glass, and wherein the glass contains not more than 30 percent by weight collectively As2O3, Bi2O3, B2O3, GeO2, P2O5, SiO2, TeO2, and V2O5, based on the total weight of the glass, and, the glass having a Tg; heating the glass powder above the Tg such that the glass powder coalesces to form a shape; and heat-treating the coalesced glass to convert at least a portion of the glass to the glass-ceramic according to claim 31. 40. Glass-ceramic comprising Al2O3 in a range from 35 to 65 percent by weight, at least 0.1 percent by weight N, based on the total weight of the glass-ceramic, at least one of REO or Y2O3, and at least one of ZrO2 or HfO2, wherein at least 80 percent by weight of the glass-ceramic collectively comprises the Al2O3, the at least one of REO or Y2O3, and the at least one of ZrO2 or HfO2, based on the total weight of the glass-ceramic. 41. The glass-ceramic according to claim 40, wherein the glass-ceramic comprises at least 0.2 percent by weight N, based on the total weight of the glass-ceramic, wherein at least 80 percent by weight of the glass-ceramic collectively comprises the Al2O3, the at least one of REO or Y2O3, and the at least one of ZrO2 or HfO2, based on the total weight of the glass-ceramic, and wherein the glass-ceramic comprises at least 60 percent by weight Al2O3, based on the total weight of the glass-ceramic. 42. Abrasive particles comprising the glass-ceramic according to claim 40. 43. A plurality of abrasive particles having a specified nominal grade, wherein at least a portion of the plurality of abrasive particles are abrasive particle according to claim 42. 44. An abrasive article comprising a binder and a plurality of abrasive particles, wherein at least a portion of the abrasive particles are the abrasive particles according to claim 42. 45. The abrasive article according to claim 44, wherein the abrasive article is a bonded abrasive article, a non-woven abrasive article, or a coated abrasive article. 46. A method for making a glass-ceramic, the method comprising: heat treating glass to convert at least a portion of the glass to the glass-ceramic according to claim 40, the glass comprising Al2O3 in a range from 35 to 65 percent by weight, at least 0.1 percent by weight N, based on the total weight of the glass, at least one of REO or Y2O3, and at least one of ZrO2 or HfO2, wherein at least 80 percent by weight of the glass collectively comprises the Al2O3, the at least one of REO or Y2O3, and the at least one of ZrO2 or HfO2, based on the total weight of the glass.
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