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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0913310 (2010-10-27) |
등록번호 | US-9127515 (2015-09-08) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 1 인용 특허 : 440 |
A nanomatrix carbon composite is disclosed. The nanomatrix carbon composite includes a substantially-continuous, cellular nanomatrix comprising a nanomatrix material. The composite also includes a plurality of dispersed particles comprising a particle core material that comprises an allotrope of car
A nanomatrix carbon composite is disclosed. The nanomatrix carbon composite includes a substantially-continuous, cellular nanomatrix comprising a nanomatrix material. The composite also includes a plurality of dispersed particles comprising a particle core material that comprises an allotrope of carbon dispersed in the nanomatrix and a bond layer extending throughout the nanomatrix between the dispersed particles. The nanomatrix carbon composites are uniquely lightweight, high-strength, high thermal conductivity materials that also provide uniquely selectable and controllable corrosion properties, including very rapid corrosion rates, useful for making a wide variety of degradable or disposable articles, including various downhole tools and components.
1. A nanomatrix carbon composite, comprising: a substantially-continuous, cellular nanomatrix comprising a metallic nanomatrix material;a plurality of dispersed carbon particles comprising a particle core material that comprises an allotrope of carbon dispersed in the cellular nanomatrix, the plural
1. A nanomatrix carbon composite, comprising: a substantially-continuous, cellular nanomatrix comprising a metallic nanomatrix material;a plurality of dispersed carbon particles comprising a particle core material that comprises an allotrope of carbon dispersed in the cellular nanomatrix, the plurality of dispersed carbon particles comprising a plurality of carbon microparticles and a plurality of carbon nanoparticles; anda bond layer extending throughout the cellular nanomatrix between the dispersed carbon particles, the nanomatrix carbon composite formed by compacting powder particles comprising a carbon particle core and a plurality of metallic coating layers disposed on the core, the metallic coating layers of adjacent powder particles joined by solid-state bonding of the metallic coating layers to form the substantially-continuous, cellular nanomatrix and metallic nanomatrix material and leave the carbon particle cores as the dispersed carbon particles, wherein the plurality of metallic coating layers comprises a first layer that is disposed on the particle core and a second layer that is disposed on the first layer, and wherein the composite is formed from a sintered powder comprising a plurality of powder particles, each powder particle having a particle core that upon sintering comprises a dispersed particle and a plurality of metallic particle coating layers disposed thereon, and wherein the cellular nanomatrix between adjacent ones of the plurality of dispersed particles comprises the plurality of metallic particle coating layers of one powder particle, the bond layer and the plurality of metallic particle coating layers of another of the powder particles, and wherein adjacent ones of the plurality of metallic coating layers have different chemical compositions, and wherein the dispersed carbon nanoparticles comprise a graphene, fullerene or nanodiamond nanoparticle, or a combination thereof, and the first layer comprises Al, Zn, Mn, Mg, Mo, W, Cu, Fe, Si, Ca, Co, Ta, Re or Ni, or an oxide, carbide or nitride thereof, or a combination of any of the aforementioned materials, and the second layer comprises Al, Zn, Mn, Mg, Mo, W, Cu, Fe, Si, Ca, Co, Ta, Re or Ni, or a combination thereof. 2. The nanomatrix carbon composite of claim 1, wherein the bond layer comprises a solid-state bond layer. 3. The nanomatrix carbon composite of claim 2, wherein the solid-state bond layer does not include a melted and resolidified microstructure. 4. The nanomatrix carbon composite of claim 1, wherein the dispersed carbon nanoparticle comprises a fullerene, and the fullerene comprises a single-wall nanotube, multi-wall nanotube, buckyball or buckyball cluster, or a combination thereof. 5. The nanomatrix carbon composite of claim 1, wherein the dispersed carbon particles include carbon microparticles that have an average particle size of about 0.3 μm to about 700 μm. 6. The nanomatrix carbon composite of claim 1, wherein the dispersion of dispersed carbon particles comprises a substantially homogeneous dispersion within the cellular nanomatrix. 7. The nanomatrix carbon composite of claim 1, wherein the dispersed particles have an equiaxed particle shape. 8. The nanomatrix carbon composite of claim 1, further comprising a plurality of dispersed second particles, wherein the dispersed second particles are also dispersed within the cellular nanomatrix and with respect to the dispersed carbon particles. 9. The nanomatrix carbon composite of claim 8, wherein the dispersed second particles comprise Fe, Ni, Co or Cu, or oxides, nitrides or carbides thereof, or a combination of any of the aforementioned materials. 10. The nanomatrix carbon composite of claim 1, wherein the nanomatrix material comprises Mg, Al, or Ni, or a combination thereof. 11. The nanomatrix carbon composite of claim 1, wherein the cellular nanomatrix has an average thickness of about 50 nm to about 5000 nm. 12. The nanomatrix carbon composite of claim 1, further comprising a third layer that is disposed on the second layer. 13. The nanomatrix carbon composite of claim 12, wherein the first layer comprises Mg, Al or Ni, or a combination thereof, the second layer comprises Al, Zn, Mn, Mg, Mo, W, Cu, Fe, Si, Ca, Co, Ta, Re or Ni, or an oxide, nitride or carbide thereof, or a combination of any of the aforementioned second layer materials, and the third layer comprises Al, Zn, Mn, Mg, Mo, W, Cu, Fe, Si, Ca, Co, Ta, Re or Ni, or a combination thereof, wherein the second layer has a chemical composition that is different than a chemical composition of the third layer. 14. The nanomatrix carbon composite of claim 13, further comprising a fourth layer that is disposed on the third layer. 15. The nanomatrix carbon composite of claim 14, wherein the first layer comprises Mg, Al or Ni, or a combination thereof, the second layer comprises Al, Zn, Mn, Mg, Mo, W, Cu, Fe, Si, Ca, Co, Ta, Re or Ni, or an oxide, nitride or carbide thereof, or a combination of any of the aforementioned second layer materials, the third layer comprises Al, Zn, Mn, Mg, Mo, W, Cu, Fe, Si, Ca, Co, Ta, Re or Ni, or an oxide, nitride or carbide thereof, or a combination of any of the aforementioned third layer materials, and the fourth layer comprises Al, Mn, Fe, Co or Ni, or a combination thereof, wherein the second layer has a chemical composition that is different than a chemical composition of the third layer and the third layer has a chemical composition that is different than a chemical composition of the third layer. 16. The nanomatrix carbon composite of claim 1, wherein the carbon microparticles comprise diamond microparticles. 17. The nanomatrix carbon composite of claim 1, wherein the nanomatrix carbon composite comprises a downhole article. 18. The nanomatrix carbon composite of claim 17, wherein the downhole article comprises a downhole tool or component. 19. The nanomatrix carbon composite of claim 17, wherein the downhole article is selectively and controllably dissolvable in response to a changed condition in a wellbore fluid that includes the downhole article. 20. The nanomatrix carbon composite of claim 19, wherein the changed condition in a wellbore fluid is a change in a pH, fluid composition, pressure, or a temperature of the wellbore fluid proximate the article, or a combination thereof.
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