Particulate materials and methods of forming same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09K-003/14
C04B-035/111
C03C-003/17
C04B-035/628
출원번호
US-0143656
(2013-12-30)
등록번호
US-9074119
(2015-07-07)
발명자
/ 주소
Panzarella, Tracy H.
Yener, Doruk O.
Kavanaugh, Michael D.
Brandes, Alan J.
출원인 / 주소
Saint-Gobain Ceramics & Plastics, Inc.
대리인 / 주소
Keser, Adam
인용정보
피인용 횟수 :
1인용 특허 :
311
초록▼
A particulate material having a body including a first phase having at least about 70 wt % alumina for a total weight of the first phase, and a second phase comprising phosphorus, wherein the body includes at least about 0.1 wt % of the second phase for the total weight of the body, and wherein the
A particulate material having a body including a first phase having at least about 70 wt % alumina for a total weight of the first phase, and a second phase comprising phosphorus, wherein the body includes at least about 0.1 wt % of the second phase for the total weight of the body, and wherein the second phase has an average grain size of not greater than about 1 micron.
대표청구항▼
1. A particulate material having a body including a first phase comprising alumina and a second phase comprising phosphorus and a rare earth element, wherein the second phase is substantially uniformly dispersed throughout the body, wherein the second phase comprises grains and the first phase compr
1. A particulate material having a body including a first phase comprising alumina and a second phase comprising phosphorus and a rare earth element, wherein the second phase is substantially uniformly dispersed throughout the body, wherein the second phase comprises grains and the first phase comprises grains, and wherein the grains of the second phase have an average grain size less than an average grain size of the grains of the first phase. 2. The particulate material of claim 1, wherein the first phase comprises at least about 71 wt % alumina for the total weight of the first phase. 3. The particulate material of claim 1, wherein the body comprises at least about 0.2 wt % of the second phase for the total weight of the body. 4. The particulate material of claim 1, wherein the body comprises not greater than about 30 wt % of the second phase for the total weight of the body. 5. The particulate material of claim 1, wherein the second phase comprises monazite (LaPO4). 6. The particulate material of claim 1, wherein the first phase comprises grains having an average grain size of not greater than about 1 micron. 7. The particulate material of claim 1, wherein the body is a shaped abrasive particle. 8. The particulate material of claim 1, wherein the body comprises a shape selected from the group consisting of triangular, quadrilateral, rectangular, trapezoidal, pentagonal, heptagonal, hexagonal, octagonal, and a combination thereof. 9. The particulate material of claim 1, wherein the body comprises a ratio [W1/W2], wherein W1 represents a weight percent of the first phase within the body and W2 represents a weight percent of the second phase within the body, and wherein the ratio [W1/W2] is at least about 1.5. 10. The particulate material of claim 1, wherein the body comprises a ratio [W1/W2], wherein W1 represents a weight percentage of the first phrase within the body and W2 represents the weight percent of the second phase within the body, and wherein the ratio [W1/W2] is not greater than about 100. 11. The particulate material of claim 1, wherein the first phase comprises grains and the second phase is primarily disposed at grain boundaries between the grains of the first phase. 12. The particulate material of claim 1, wherein the body comprises a third phase comprising lanthanum aluminate (LaAl11O18). 13. The particulate material of claim 1, wherein the particulate material is part of a fixed abrasive article selected from the group consisting of a coated abrasive article and a bonded abrasive article. 14. A particulate material having a body including a first phase comprising alumina and a second phase comprising phosphorus and a rare earth element, wherein the second phase is non-uniformly dispersed throughout the body, and wherein the first phase has an average grain size of not greater than about 10 microns. 15. The particulate material of claim 14, wherein the first phase comprises at least about 71 wt % alumina for the total weight of the first phase. 16. The particulate material of claim 14, wherein the body comprises at least about 0.2 wt % of the second phase for the total weight of the body. 17. The particulate material of claim 14, wherein the body comprises not greater than about 30 wt % of the second phase for the total weight of the body. 18. The particulate material of claim 14, wherein the second phase comprises monazite (LaPO4). 19. The particulate material of claim 14, wherein the body is a shaped abrasive particle. 20. The particular material of claim 14, wherein the body comprises a third phase comprising lanthanum aluminate (LaAl11O18).
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