[특허]Metal carbide fibers and methods for their manufacture

Advanced Ceramic Fibers, LLC

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Metal carbide fibers and methods for their manufacture

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국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C04B-041/45 D01F-009/08 D01F-008/00 C08K-007/04 C04B-035/56 C04B-035/565 C04B-035/622 C04B-035/628 C04B-035/80 D01F-011/12
출원번호	US-0615685 (2015-02-06)
등록번호	US-9803296 (2017-10-31)
발명자 / 주소	Garnier, John E.
출원인 / 주소	Advanced Ceramic Fibers, LLC
대리인 / 주소	Workman Nydegger
인용정보	피인용 횟수 : 0 인용 특허 : 61

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A method of producing, from a continuous or discontinuous (e.g., chopped) carbon fiber, partially to fully converted metal carbide fibers. The method comprises reacting a carbon fiber material with at least one of a metal or metal oxide source material at a temperature greater than a melting temperature of the metal or metal oxide source material (e.g., where practical, at a temperature greater than the vaporization temperature of the metal or metal oxide source material). Additional methods, various forms of carbon fiber, metal carbide fibers, and artic...

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1. A method of forming metal carbide fibers, the method comprising: reacting a carbon fiber material with at least one of a metal or metal oxide source material, the metal or metal oxide source material being in a form of a gaseous vapor, the metal or metal oxide source material comprising aluminum, beryllium, calcium, cerium, chromium, dysprosium, erbium, europium, gadolinium, hafnium, holmium, iron, lanthanum, lithium, magnesium, manganese, molybdenum, niobium, neodymium, praseodymium, samarium, scandium, tantalum, terbium, thorium, titanium, tungsten, uranium, vanadium, ytterbium, yttrium, zirconium, aluminum oxide, beryllium oxide, calcium oxide, cerium oxide, chromium oxide, dysprosium oxide, erbium oxide, europium oxide, gadolinium oxide, hafnium oxide, holmium oxide, iron oxide, lanthanum oxide, lithium oxide, magnesium oxide, manganese oxide, molybdenum oxide, niobium oxide, neodymium oxide, praseodymium oxide, samarium oxide, scandium oxide, tantalum oxide, terbium oxide, thorium oxide, titanium oxide, tungsten oxide, uranium oxide, vanadium oxide, ytterbium oxide, yttrium oxide, zirconium oxide or a combination thereof, at a temperature greater than:the melting temperature of the metal or metal oxide source material; orthe vaporization temperature of the metal or metal oxide source material;so as to produce a metal carbide fiber as the carbon fiber material is converted to metal carbide by reaction with the at least one of a metal or metal oxide. 2. The method of claim 1, wherein the at least one of a metal or metal oxide is in gaseous form as metal atoms, metal oxide molecules, or combinations thereof. 3. The method of claim 1, wherein the at least one of a metal or metal oxide source material is initially in at least one of plated, lump, powder, or nanoparticle form. 4. The method of claim 1, wherein the carbon fiber material comprises at least one of a continuous carbon fiber, a woven carbon fiber material or a tubular woven carbon fiber material. 5. The method of claim 1, wherein the carbon fiber material comprises chopped, milled, or otherwise discontinuous carbon fiber material. 6. The method of claim 1, wherein the metal carbide of the metal carbide fiber comprises metal carbide having a formula comprising at least one of MC, MC2, M2C2, M2C3, or a combination thereof where M is the metal and C is carbon. 7. The method of claim 1, wherein the metal or metal oxide source material further comprises at least one of boron, boron oxide, silicon, or silicon oxide. 8. The method of claim 1, the method further comprising immersing the carbon fiber material in a bath composition, the bath composition comprising the at least one of metal or metal oxide source material, such immersion occurring before reacting the carbon fiber material with at least one metal or metal oxide source material. 9. The method of claim 8, the method further comprising removing excess bath composition from the carbon fiber material. 10. The method of claim 8, the method further comprising removing water, solvent or a carrier by exposing the carbon fiber material to a carrier gas. 11. The method of claim 10, wherein the carrier gas is heated. 12. The method of claim 8, wherein the bath composition further comprises at least one of boron, boron oxide, silicon, silicon oxide, carbon nanotubes or fullerenes. 13. The method of claim 1, wherein the produced metal carbide fiber is formed from one or more individual filaments having a diameter from approximately 2 μm to approximately 20 μm. 14. The method of claim 13, wherein the produced metal carbide fiber comprises a metal carbide material in fiber form, the metal carbide being a carbide of a metal selected from the group consisting of aluminum, beryllium, calcium, cerium, chromium, dysprosium, erbium, europium, gadolinium, hafnium, holmium, iron, lanthanum, lithium, magnesium, manganese, molybdenum, niobium, neodymium, praseodymium, samarium, scandium, tantalum, terbium, thulium, thorium, titanium, tungsten, uranium, vanadium, ytterbium, yttrium, zirconium, and combinations thereof. 15. The method of claim 14, wherein the metal carbide fiber includes a hollow core resulting from substantially all of the carbon fiber material having been converted to metal carbide. 16. The method of claim 8, wherein the produced metal carbide fiber comprises a metal carbide material in fiber form disposed over a carbon fiber material core, the metal carbide comprising at least one of aluminum carbide, beryllium carbide, calcium carbide, cerium carbide, chromium carbide, dysprosium carbide, erbium carbide, europium carbide, gadolinium carbide, hafnium carbide, holmium carbide, iron carbide, lanthanum carbide, lithium carbide, magnesium carbide, manganese carbide, molybdenum carbide, niobium carbide, neodymium carbide, praseodymium carbide, samarium carbide, scandium carbide, tantalum carbide, terbium carbide, thulium carbide, thorium carbide, titanium carbide, tungsten carbide, uranium carbide, vanadium carbide, ytterbium carbide, yttrium carbide or zirconium carbide. 17. The method of claim 16, wherein the metal carbide material comprises carbon from the carbon fiber material that has been converted to the metal carbide, and wherein the carbon fiber material core comprises unconverted carbon fiber material. 18. The method of claim 16, wherein a thickness of the metal carbide material is from approximately 0.001 μm to approximately 20 μm. 19. The method of claim 1, wherein the carbon fiber material comprises at least one of a pitch resin fiber, polyacrylonitrile (PAN), graphite, lonsdaleite, amorphous carbon, carbon nanotubes, or fullerenes. 20. The method of claim 1, further comprising dispersing the produced metal carbide fibers in a matrix, the matrix comprising at least one of a ceramic material, a refractory carbide material, a metal material, or a polymer material. 21. A method of forming metal carbide fibers, the method comprising: reacting a carbon fiber material with at least one of a metal or metal oxide source material, the metal or metal oxide source material comprising aluminum, beryllium, calcium, cerium, chromium, dysprosium, erbium, europium, gadolinium, hafnium, holmium, iron, lanthanum, lithium, magnesium, manganese, molybdenum, niobium, neodymium, praseodymium, samarium, scandium, tantalum, terbium, thorium, titanium, tungsten, uranium, vanadium, ytterbium, yttrium, zirconium, aluminum oxide, beryllium oxide, calcium oxide, cerium oxide, chromium oxide, dysprosium oxide, erbium oxide, europium oxide, gadolinium oxide, hafnium oxide, holmium oxide, iron oxide, lanthanum oxide, lithium oxide, magnesium oxide, manganese oxide, molybdenum oxide, niobium oxide, neodymium oxide, praseodymium oxide, samarium oxide, scandium oxide, tantalum oxide, terbium oxide, thorium oxide, titanium oxide, tungsten oxide, uranium oxide, vanadium oxide, ytterbium oxide, yttrium oxide, zirconium oxide or a combination thereof, at a temperature greater than:the melting temperature of the metal or metal oxide source material; orthe vaporization temperature of the metal or metal oxide source material;so as to produce a metal carbide fiber as the carbon fiber material is converted to metal carbide by reaction with the at least one of a metal or metal oxide;wherein the at least one of a metal or metal oxide is in gaseous form as metal atoms, metal oxide molecules, or combinations thereof. 22. A method of forming metal carbide fibers, the method comprising: reacting a carbon fiber material with at least one of a metal or metal oxide source material, the metal or metal oxide source material comprising aluminum, beryllium, calcium, cerium, chromium, dysprosium, erbium, europium, gadolinium, hafnium, holmium, iron, lanthanum, lithium, magnesium, manganese, molybdenum, niobium, neodymium, praseodymium, samarium, scandium, tantalum, terbium, thorium, titanium, tungsten, uranium, vanadium, ytterbium, yttrium, zirconium, aluminum oxide, beryllium oxide, calcium oxide, cerium oxide, chromium oxide, dysprosium oxide, erbium oxide, europium oxide, gadolinium oxide, hafnium oxide, holmium oxide, iron oxide, lanthanum oxide, lithium oxide, magnesium oxide, manganese oxide, molybdenum oxide, niobium oxide, neodymium oxide, praseodymium oxide, samarium oxide, scandium oxide, tantalum oxide, terbium oxide, thorium oxide, titanium oxide, tungsten oxide, uranium oxide, vanadium oxide, ytterbium oxide, yttrium oxide, zirconium oxide or a combination thereof, at a temperature greater than:the melting temperature of the metal or metal oxide source material; orthe vaporization temperature of the metal or metal oxide source material;so as to produce a metal carbide fiber as the carbon fiber material is converted to metal carbide by reaction with the at least one of a metal or metal oxide;wherein the produced metal carbide fiber is formed from one or more individual filaments having a diameter from approximately 2 μm to approximately 20 μm. 23. The method of claim 22, wherein the produced metal carbide fiber comprises a metal carbide material in fiber form, the metal carbide being a carbide of a metal selected from the group consisting of aluminum, beryllium, calcium, cerium, chromium, dysprosium, erbium, europium, gadolinium, hafnium, holmium, iron, lanthanum, lithium, magnesium, manganese, molybdenum, niobium, neodymium, praseodymium, samarium, scandium, tantalum, terbium, thulium, thorium, titanium, tungsten, uranium, vanadium, ytterbium, yttrium, zirconium, and combinations thereof. 24. The method of claim 23, wherein the metal carbide fiber includes a hollow core resulting from substantially all of the carbon fiber material having been converted to metal carbide. 25. A method of forming metal carbide fibers, the method comprising: reacting a carbon fiber material with at least one of a metal or metal oxide source material, the metal or metal oxide source material comprising aluminum, beryllium, calcium, cerium, chromium, dysprosium, erbium, europium, gadolinium, hafnium, holmium, iron, lanthanum, lithium, magnesium, manganese, molybdenum, niobium, neodymium, praseodymium, samarium, scandium, tantalum; terbium, thorium, titanium, tungsten, uranium, vanadium, ytterbium, yttrium, zirconium, aluminum oxide, beryllium oxide, calcium oxide, cerium oxide, chromium oxide, dysprosium oxide, erbium oxide, europium oxide, gadolinium oxide, hafnium oxide, holmium oxide, iron oxide, lanthanum oxide, lithium oxide, magnesium oxide, manganese oxide, molybdenum oxide, niobium oxide, neodymium oxide, praseodymium oxide, samarium oxide, scandium oxide, tantalum oxide, terbium oxide, thorium oxide, titanium oxide, tungsten oxide, uranium oxide, vanadium oxide, ytterbium oxide, yttrium oxide, zirconium oxide or a combination thereof, at a temperature greater than:the melting temperature of the metal or metal oxide source material; orthe vaporization temperature of the metal or metal oxide source material;so as to produce a metal carbide fiber as the carbon fiber material is converted to metal carbide by reaction with the at least one of a metal or metal oxide;wherein the produced metal carbide fiber comprises a metal carbide material in fiber form disposed over a carbon fiber material core, the metal carbide comprising at least one of aluminum carbide, beryllium carbide, calcium carbide, cerium carbide, chromium carbide, dysprosium carbide, erbium carbide, europium carbide, gadolinium carbide, hafnium carbide, holmium carbide, iron carbide, lanthanum carbide, lithium carbide, magnesium carbide, manganese carbide, molybdenum carbide, niobium carbide, neodymium carbide, praseodymium carbide, samarium carbide, scandium carbide, tantalum carbide, terbium carbide, thulium carbide, thorium carbide, titanium carbide, tungsten carbide, uranium carbide, vanadium carbide, ytterbium carbide, yttrium carbide or zirconium carbide:wherein a thickness of the metal carbide material is from approximately 0.001 μm to approximately 20 μm. 26. A method of forming metal carbide fibers, the method comprising: reacting a carbon fiber material with at least one of a metal or metal oxide source material, the metal or metal oxide source material comprising aluminum, beryllium, calcium, cerium, chromium, dysprosium, erbium, europium, gadolinium, hafnium, holmium, iron, lanthanum, lithium, magnesium, manganese, molybdenum, niobium, neodymium, praseodymium, samarium, scandium, tantalum, terbium, thorium, titanium, tungsten, uranium, vanadium, ytterbium, yttrium, zirconium, aluminum oxide, beryllium oxide, calcium oxide, cerium oxide, chromium oxide, dysprosium oxide, erbium oxide, europium oxide, gadolinium oxide, hafnium oxide, holmium oxide, iron oxide, lanthanum oxide, lithium oxide, magnesium oxide, manganese oxide, molybdenum oxide, niobium oxide, neodymium oxide, praseodymium oxide, samarium oxide, scandium oxide, tantalum oxide, terbium oxide, thorium oxide, titanium oxide, tungsten oxide, uranium oxide, vanadium oxide, ytterbium oxide, yttrium oxide, zirconium oxide or a combination thereof, at a temperature greater than:the melting temperature of the metal or metal oxide source material; orthe vaporization temperature of the metal or metal oxide source material;so as to produce a metal carbide fiber as the carbon fiber material is converted to metal carbide by reaction with the at least one of a metal or metal oxide;wherein the carbon fiber material comprises at least one of a pitch resin fiber, polyacrylonitrile (PAN), graphite, lonsdaleite, amorphous carbon, carbon nanotubes, or fullerenes. 27. A method of forming metal carbide fibers, the method comprising: reacting a carbon fiber material with at least one of a metal or metal oxide source material, the metal or metal oxide source material comprising aluminum, beryllium, calcium, cerium, chromium, dysprosium, erbium, europium, gadolinium, hafnium, holmium, iron, lanthanum, lithium, magnesium, manganese, molybdenum, niobium, neodymium, praseodymium, samarium, scandium, tantalum, terbium, thorium, titanium, tungsten, uranium, vanadium, ytterbium, yttrium, zirconium, aluminum oxide, beryllium oxide, calcium oxide, cerium oxide, chromium oxide, dysprosium oxide, erbium oxide, europium oxide, gadolinium oxide, hafnium oxide, holmium oxide, iron oxide, lanthanum oxide, lithium oxide, magnesium oxide, manganese oxide, molybdenum oxide, niobium oxide, neodymium oxide, praseodymium oxide, samarium oxide, scandium oxide, tantalum oxide, terbium oxide, thorium oxide, titanium oxide, tungsten oxide, uranium oxide, vanadium oxide, ytterbium oxide, yttrium oxide, zirconium oxide or a combination thereof, at a temperature greater than:the melting temperature of the metal or metal oxide source material; orthe vaporization temperature of the metal or metal oxide source material;so as to produce a metal carbide fiber as the carbon fiber material is converted to metal carbide by reaction with the at least one of a metal or metal oxide;further comprising dispersing the produced metal carbide fibers in a matrix, the matrix comprising at least one of a ceramic material, a refractory carbide material, a metal material, or a polymer material.

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