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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0728628 (2015-06-02) |
등록번호 | US-9676982 (2017-06-13) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 333 |
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.
1. A particulate material having a body including a first phase comprising alumina and a second phase comprising an oxide compound, wherein the oxide compound comprises phosphorus and a rare earth element, wherein the body comprises a greater content of the second phase within a peripheral region of
1. A particulate material having a body including a first phase comprising alumina and a second phase comprising an oxide compound, wherein the oxide compound comprises phosphorus and a rare earth element, wherein the body comprises a greater content of the second phase within a peripheral region of the body as compared to a content of the second phase within a central region of the body wherein the body is a shaped abrasive particle. 2. 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 body comprises a greater content of the second phase within a peripheral region of the body as compared to a content of the second phase within a central region of the body, and wherein the body further comprises a third phase, and wherein the third phase comprises lanthanum aluminate. 3. The particulate material according to claim 2, wherein the body includes at least 0.5 to 30 wt % of the third phase for the total weight of the body. 4. The particulate material according to claim 2, wherein the second phase comprises monazite. 5. The particulate material according to claim 2, wherein the body comprises a ratio [W3/W2], wherein W3 represents a weight percent of the third phase within the body and W2 represents a weight percent of the second phase within the body, and wherein the ratio [W3/W2] is at least about 1.5. 6. The particulate material according to claim 2, wherein the body comprises a ratio [G1/G3], wherein G1 represents an average grain size of the first phase and G3 represents an average grain size of the third phase, and wherein the ratio [G1/G3 ] is in a range between about 0.2 and 5. 7. The particulate material according to claim 2, wherein the third phase is disposed within grains of the first or second phases. 8. The particulate material according to claim 1, wherein the body includes at least 0.5 to 30 wt % of the second phase for the total weight of the body. 9. The particulate material according to claim 1, wherein the second phase comprises LaPO4. 10. The particulate material according to 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. 11. The particulate material according to claim 1, wherein the body comprises a two-dimensional shape selected from the group consisting of triangular, quadrilateral, rectangular, trapezoidal, pentagonal, heptagonal, hexagonal, and octagonal. 12. The particulate material according to claim 2, wherein the body is a shaped abrasive particle. 13. The particulate material according to claim 1, wherein the first phase has an average grain size of not greater than about 500 μm and the second phase has an average grain size of not greater than about 1 micron. 14. The particulate material according to claim 2, wherein the body comprises a greater content of the third phase within a peripheral region of the body as compared to a content of the third phase within a central region of the body. 15. The particulate material according to claim 2, wherein the content of the third phase is uniformly dispersed in the body. 16. The particulate material according to claim 1, wherein the content of the second phase in the peripheral region is greater than half of the total amount of second phase in the body based on the weight of the second phase. 17. The particulate material according to claim 1, wherein the first phase includes at least 70 to 99.5 wt % alumina for the total weight of the first phase. 18. 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 body comprises a greater content of the second phase within a peripheral region of the body as compared to a content of the second phase within a central region of the body, and wherein the body is a shaped abrasive particle. 19. The particulate material according to claim 18, wherein the second phase comprises LaPO4. 20. The particulate material according to claim 18, 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.
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