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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0633678 (2009-12-08) |
등록번호 | US-9109429 (2015-08-18) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 440 |
An engineered dispersed particle-cellular nanomatrix composite material is disclosed. The engineered dispersed particle-cellular nanomatrix composite material is configured for contact with a fluid and configured to provide a selectable and controllable transition from one of a first strength condit
An engineered dispersed particle-cellular nanomatrix composite material is disclosed. The engineered dispersed particle-cellular nanomatrix composite material is configured for contact with a fluid and configured to provide a selectable and controllable transition from one of a first strength condition to a second strength condition that is lower than a functional strength threshold, or a first weight loss amount to a second weight loss amount that is greater than a weight loss limit, as a function of a time in contact with the fluid.
1. An engineered dispersed particle-cellular nanomatrix composite material comprising a substantially-continuous, cellular nanomatrix of a nanomatrix material, a plurality of dispersed particles comprising a particle core material dispersed within the nanomatrix and a solid-state bond layer extendin
1. An engineered dispersed particle-cellular nanomatrix composite material comprising a substantially-continuous, cellular nanomatrix of a nanomatrix material, a plurality of dispersed particles comprising a particle core material dispersed within the nanomatrix and a solid-state bond layer extending throughout the cellular nanomatrix between the dispersed particles, the dispersed particle-cellular nanomatrix composite material comprising deformed powder particles formed by compacting powder particles comprising a particle core and at least one coating layer, the coating layers joined by solid-state bonding to form the substantially-continuous, cellular nanomatrix and leave the particle cores as the dispersed particles, the dispersed particle-cellular nanomatrix composite material configured for contact with a fluid and configured to provide a selectable and controllable transition from one of a first strength condition to a second strength condition that is lower than a functional strength threshold, or a first weight loss amount to a second weight loss amount that is greater than a weight loss limit, as a function of a time in contact with the fluid. 2. The engineered material of claim 1, wherein the particle core material comprises Mg, Al, Zn or Mn, or a combination thereof, having a melting temperature (TP); and a nanomatrix material having a melting temperature (TC), wherein the solid-state bond layer is formed at a predetermined sintering temperature (TS), and TS is less than TP and TC. 3. The engineered material of claim 2, wherein the cellular nanomatrix between adjacent ones of the plurality of dispersed particles comprises a single metallic coating layer of one particle, a bond layer and a single metallic coating layer of another one. 4. The engineered material of claim 2, the cellular nanomatrix between adjacent ones of the plurality of dispersed particles comprises a multilayered metallic coating layer of one particle, a bond layer and a multilayered metallic coating layer of another one. 5. The engineered material of claim 1, wherein the time in contact with the fluid at which the selectable and controllable transition occurs is a critical service time. 6. The engineered material of claim 5, wherein the critical service time comprises a time required to dissolve a portion of the nanomatrix in contact with the fluid. 7. The engineered material of claim 5, wherein the critical service time comprises a predetermined time corresponding to a change in a property of the engineered material or the fluid, or a combination thereof. 8. The engineered material of claim 7, wherein there is a change in the property of the engineered material, and wherein the change is a change of a temperature of the engineered material. 9. The engineered material of claim 7, wherein there is a change in the property of the fluid, and the change comprises a change in a fluid temperature, pressure, flow rate, chemical composition or pH, or a combination thereof. 10. The engineered material of claim 7, wherein the changed condition is a change in chemical composition comprising a change in a chloride ion concentration. 11. The engineered material of claim 1, wherein the dispersed particles comprise a metal having a standard oxidation potential greater than or equal to Zn. 12. The engineered material of claim 11, wherein the dispersed particles comprise Mg, Al, Zn or Mn, or a combination thereof. 13. The engineered material of claim 12, wherein the cellular nanomatrix 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 wherein the nanomatrix has a chemical composition and the dispersed particles have a chemical composition that is different than the chemical composition of the nanomatrix. 14. The engineered material of claim 1, wherein the dispersed particles comprise a metal having a standard oxidation potential less than Zn, ceramic, glass, or carbon, or a combination thereof. 15. The engineered material of claim 14, wherein the cellular nanomatrix 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 wherein the nanomatrix has a chemical composition and the dispersed particles have a chemical composition that is different than the chemical composition of the nanomatrix. 16. The engineered material of claim 1, wherein the cellular nanomatrix has an average thickness of about 50 nm to about 5000 μm. 17. The engineered material of claim 1, wherein the dispersed particles comprise Mg and the dispersed particle-cellular nanomatrix composite material has a room temperature compressive strength of at least about 37 ksi. 18. The engineered material of claim 1, wherein the dispersed particles comprise Mg and the dispersed particle-cellular nanomatrix composite material has a room temperature shear strength of at least about 20 ksi. 19. The engineered material of claim 1, wherein the dispersed particle-cellular nanomatrix composite material comprises a powder compact having a predetermined theoretical density and an actual density that is substantially equal to the predetermined theoretical density. 20. The engineered material of claim 1, wherein the dispersed particles comprise Mg and the dispersed particle-cellular nanomatrix composite material has a density of about 1.738 g/cm3 to about 2.50 g/cm3. 21. The engineered material of claim 1, wherein the particle core material comprises Mg and the powder compact is selectably dissolvable at a rate of about 0 to about 7000 mg/cm2/hr of the powder compact. 22. The engineered material of claim 1, wherein the fluid is a wellbore fluid. 23. The engineered material of claim 22, wherein the wellbore fluid comprises KCl, HCl, CaBr2, CaBr2 or ZnBr2, or a combination thereof.
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