IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0370378
(2009-02-12)
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| 등록번호 |
US-8455377
(2013-06-04)
|
|
발명자
/ 주소 |
|
| 출원인 / 주소 |
- Materials Evolution and Development
|
| 대리인 / 주소 |
|
| 인용정보 |
피인용 횟수 :
0 인용 특허 :
20 |
초록
▼
A novel metal/ceramic hybrid material in which the void space of the ceramic is filled with metal. The metal may be bonded to the ceramic, for example by formation of a metal oxide. The metal may be introduced into the ceramic as small particles in a suspension then heated to melt the metal, allowin
A novel metal/ceramic hybrid material in which the void space of the ceramic is filled with metal. The metal may be bonded to the ceramic, for example by formation of a metal oxide. The metal may be introduced into the ceramic as small particles in a suspension then heated to melt the metal, allowing bonding to the ceramic or better filling of the void space. The hybrid material may be used in a variety of applications.
대표청구항
▼
1. A method of making a hybrid material comprising: providing a porous ceramic with a matrix of interconnected void space wherein the ceramic includes exposed surfaces comprising at least 50% silicon dioxide prior to introducing metal particles into the void space;introducing a fluid comprising the
1. A method of making a hybrid material comprising: providing a porous ceramic with a matrix of interconnected void space wherein the ceramic includes exposed surfaces comprising at least 50% silicon dioxide prior to introducing metal particles into the void space;introducing a fluid comprising the metal particles into the porous ceramic such that the metal particles flow throughout the interconnected void space of the ceramic; andheating the metal particles to cause the metal particles present in the interconnected void space of the ceramic to react with oxygen of the silicon dioxide of the ceramic to form a covalent bond between the metal and the ceramic. 2. The method of claim 1, wherein the metal particles are heated by supplying an electric current to the metal particles. 3. The method of claim 1, wherein the ceramic comprises 100% silica. 4. The method of claim 1, wherein the ceramic comprises up to 50% cristobalite. 5. The method of claim 1, wherein the ceramic comprises up to 60% alumina. 6. The method of claim 1, wherein the ceramic includes exposed surfaces comprising titanium dioxide or platinum oxide prior to introducing the metal particles. 7. The method of claim 1, wherein the metal particles are selected from the group consisting of: Mg, Ca, Sc, Ti, Cr, Mn, Fe, Co, Ni, Cu, Zn, Pd, Ag, Cd, Pt, Au, any ionic forms thereof, and any combinations thereof. 8. The method of claim 1, wherein the metal particles comprise an alloy. 9. The method of claim 1, wherein the metal particles are microparticles. 10. The method of claim 1, wherein the metal particles are nanoparticles. 11. The method of claim 1, wherein the ceramic has an average pore size and the metal particles have an average diameter and wherein the average diameter of the metal particles is less than the average pore size of the ceramic. 12. The method of claim 10, wherein the average diameter of the metal particles is no greater then two thirds the average pore size of the ceramic. 13. The method of claim 1, wherein introducing metal particles into the matrix of interconnected void space comprises introducing a suspension of metal particles into the ceramic. 14. The method of claim 13, wherein the suspension of metal particles comprises alcohol, water or a combination thereof. 15. The method of claim 1, wherein heating the metal particles further comprises convection heating. 16. The method of claim 1, wherein the at least 50% of the void space is occupied by the metal. 17. The method of claim 1, wherein the metal comprises at least 50% of the hybrid material by weight. 18. The method of claim 1, wherein the metal comprises at least 50% of the hybrid material by volume. 19. The method of claim 1, wherein introducing a fluid comprising the metal particles into the porous ceramic such that the metal particles flow throughout the interconnected void space of the ceramic comprises: surrounding the ceramic with the fluid comprising the metal particles, such that the fluid flows throughout the interconnected void space of the ceramic; andremoving the ceramic from the fluid, wherein fluid that has flowed in the interconnected void space of the ceramic remains in the void space after removing the ceramic from the fluid.
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