JP2006516039A - 大きな表面積を有するニオブ粉末及び／又はタンタル粉末の製造方法 - Google Patents
大きな表面積を有するニオブ粉末及び／又はタンタル粉末の製造方法 Download PDFInfo
- Publication number
- JP2006516039A JP2006516039A JP2004548947A JP2004548947A JP2006516039A JP 2006516039 A JP2006516039 A JP 2006516039A JP 2004548947 A JP2004548947 A JP 2004548947A JP 2004548947 A JP2004548947 A JP 2004548947A JP 2006516039 A JP2006516039 A JP 2006516039A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- metal
- tantalum
- salt
- niobium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 150000003839 salts Chemical class 0.000 claims abstract description 76
- 239000010955 niobium Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000002245 particle Substances 0.000 claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 17
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 13
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 12
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 11
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 10
- 150000001342 alkaline earth metals Chemical class 0.000 claims abstract description 9
- 239000007864 aqueous solution Substances 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 150000004678 hydrides Chemical class 0.000 claims abstract description 7
- 229910000484 niobium oxide Inorganic materials 0.000 claims abstract description 5
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims abstract description 5
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910001936 tantalum oxide Inorganic materials 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 54
- 239000000203 mixture Substances 0.000 claims description 32
- 239000003638 chemical reducing agent Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000011575 calcium Substances 0.000 claims description 12
- 229910052791 calcium Inorganic materials 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- 239000011777 magnesium Substances 0.000 claims description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 239000011261 inert gas Substances 0.000 claims description 8
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Inorganic materials [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 7
- 238000002386 leaching Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
- -1 MgCl 2 Chemical compound 0.000 claims description 5
- 238000010907 mechanical stirring Methods 0.000 claims description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- 239000012266 salt solution Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000004320 controlled atmosphere Methods 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 229910052987 metal hydride Inorganic materials 0.000 claims 3
- 150000004681 metal hydrides Chemical class 0.000 claims 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 2
- 229910004261 CaF 2 Inorganic materials 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims 1
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 229910017464 nitrogen compound Inorganic materials 0.000 claims 1
- 150000002830 nitrogen compounds Chemical class 0.000 claims 1
- 239000012265 solid product Substances 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 9
- 239000001301 oxygen Substances 0.000 abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 abstract description 9
- 239000003990 capacitor Substances 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 24
- 239000008367 deionised water Substances 0.000 description 15
- 229910021641 deionized water Inorganic materials 0.000 description 15
- 239000000463 material Substances 0.000 description 8
- 239000012298 atmosphere Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 6
- 239000001110 calcium chloride Substances 0.000 description 6
- 229910001628 calcium chloride Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000007790 solid phase Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 238000013019 agitation Methods 0.000 description 4
- 239000012300 argon atmosphere Substances 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 229910020312 KCl—KF Inorganic materials 0.000 description 3
- 150000003841 chloride salts Chemical class 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000001103 potassium chloride Substances 0.000 description 3
- 235000011164 potassium chloride Nutrition 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910020549 KCl—NaCl Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910019675 CsCl—LiCl Inorganic materials 0.000 description 1
- 229910020302 KBr—LiBr Inorganic materials 0.000 description 1
- 229910013618 LiCl—KCl Inorganic materials 0.000 description 1
- 229910020999 NaCl—RbCl Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AIYUHDOJVYHVIT-UHFFFAOYSA-M caesium chloride Inorganic materials [Cl-].[Cs+] AIYUHDOJVYHVIT-UHFFFAOYSA-M 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Inorganic materials [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/052—Sintered electrodes
- H01G9/0525—Powder therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
- C22B34/1263—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining metallic titanium from titanium compounds, e.g. by reduction
- C22B34/1268—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining metallic titanium from titanium compounds, e.g. by reduction using alkali or alkaline-earth metals or amalgams
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/20—Obtaining niobium, tantalum or vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/24—Obtaining niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR0204587-7A BR0204587A (pt) | 2002-11-04 | 2002-11-04 | Processo de produção de pó de nióbio e/ou de tântalo de elevada área superficial |
| PCT/BR2003/000122 WO2004042095A1 (fr) | 2002-11-04 | 2003-08-27 | Procede servant a preparer de la poudre de niobium et/ou de tantale presentant une surface importante |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2006516039A true JP2006516039A (ja) | 2006-06-15 |
Family
ID=32303987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004548947A Pending JP2006516039A (ja) | 2002-11-04 | 2003-08-27 | 大きな表面積を有するニオブ粉末及び／又はタンタル粉末の製造方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20060096418A1 (fr) |
| JP (1) | JP2006516039A (fr) |
| CN (1) | CN1694973A (fr) |
| AU (1) | AU2003254646A1 (fr) |
| BR (1) | BR0204587A (fr) |
| DE (1) | DE10393407T5 (fr) |
| GB (1) | GB2409466B (fr) |
| WO (1) | WO2004042095A1 (fr) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180073853A (ko) * | 2016-12-23 | 2018-07-03 | 한국기초과학지원연구원 | 탄탈륨 분말의 제조방법 |
| KR20210086542A (ko) * | 2019-12-30 | 2021-07-08 | 충남대학교산학협력단 | 연소 반응을 이용한 금속 나노분말 제조방법 |
| WO2025023262A1 (fr) * | 2023-07-24 | 2025-01-30 | 国立研究開発法人産業技術総合研究所 | Procédé de fabrication d'alliage, et procédé de fabrication de catalyseur d'alliage |
| WO2025023261A1 (fr) * | 2023-07-24 | 2025-01-30 | 国立研究開発法人産業技術総合研究所 | Procédé de fabrication de poudre à un seul métal, et procédé de fabrication de catalyseur de poudre à un seul métal |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3610942B2 (ja) * | 2001-10-12 | 2005-01-19 | 住友金属鉱山株式会社 | ニオブおよび／またはタンタルの粉末の製造法 |
| BR0304252B1 (pt) * | 2003-09-25 | 2013-05-14 | processo de produÇço de pà de monàxido de niàbio, monàxido de niàbio, e, capacitor. | |
| US20080011124A1 (en) * | 2004-09-08 | 2008-01-17 | H.C. Starck Gmbh & Co. Kg | Deoxidation of Valve Metal Powders |
| US7399335B2 (en) | 2005-03-22 | 2008-07-15 | H.C. Starck Inc. | Method of preparing primary refractory metal |
| AU2007286284A1 (en) | 2006-08-16 | 2008-02-21 | H.C. Starck Gmbh | Semifinished products with a structured sinter-active surface and a process for their production |
| GB0902486D0 (en) * | 2009-02-13 | 2009-04-01 | Metalysis Ltd | A method for producing metal powders |
| WO2012158592A2 (fr) * | 2011-05-16 | 2012-11-22 | Boston Electronic Materials, Llc | Fabrication et applications de poudres et alliages métalliques |
| GB201218675D0 (en) | 2012-10-17 | 2012-11-28 | Univ Bradford | Improved method for metal production |
| CN108217596B (zh) * | 2018-01-29 | 2021-03-30 | 吉林大学 | 使用非氢源溶液法制备铌氢化物和钽氢化物的方法 |
| CN113500204A (zh) * | 2021-07-08 | 2021-10-15 | 安徽理工大学 | 一种氯化钙熔盐中钙热还原氯化铌制备细微铌粉的方法 |
| CN114192791B (zh) * | 2021-12-15 | 2023-10-24 | 宁夏东方钽业股份有限公司 | 采用碱土金属还原氧化钽生产电容器用钽粉的方法 |
| GB202403902D0 (en) * | 2024-03-19 | 2024-05-01 | Univ Bradford | Method for metal production |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1728941A (en) | 1927-02-19 | 1929-09-24 | Westinghouse Lamp Co | Production of rare metals |
| US2516863A (en) | 1946-07-15 | 1950-08-01 | Gardner Daniel | Process of producing tantalum, columbium, and compounds thereof |
| US4487677A (en) * | 1983-04-11 | 1984-12-11 | Metals Production Research, Inc. | Electrolytic recovery system for obtaining titanium metal from its ore |
| US4687632A (en) | 1984-05-11 | 1987-08-18 | Hurd Frank W | Metal or alloy forming reduction process and apparatus |
| FR2595101A1 (fr) | 1986-02-28 | 1987-09-04 | Rhone Poulenc Chimie | Procede de preparation par lithiothermie de poudres metalliques |
| US4684399A (en) | 1986-03-04 | 1987-08-04 | Cabot Corporation | Tantalum powder process |
| US4923531A (en) * | 1988-09-23 | 1990-05-08 | Rmi Company | Deoxidation of titanium and similar metals using a deoxidant in a molten metal carrier |
| ES2020131A6 (es) * | 1989-06-26 | 1991-07-16 | Cabot Corp | Procedimiento para la produccion de polvos de tantalo, niobio y sus aleaciones. |
| US5234491A (en) * | 1990-05-17 | 1993-08-10 | Cabot Corporation | Method of producing high surface area, low metal impurity |
| DE19831280A1 (de) | 1998-07-13 | 2000-01-20 | Starck H C Gmbh Co Kg | Verfahren zur Herstellung von Erdsäuremetallpulvern, insbesondere Niobpulvern |
| US6171363B1 (en) | 1998-05-06 | 2001-01-09 | H. C. Starck, Inc. | Method for producing tantallum/niobium metal powders by the reduction of their oxides with gaseous magnesium |
| US6416730B1 (en) | 1998-09-16 | 2002-07-09 | Cabot Corporation | Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides |
| DE19847012A1 (de) | 1998-10-13 | 2000-04-20 | Starck H C Gmbh Co Kg | Niobpulver und Verfahren zu dessen Herstellung |
| JP2001143970A (ja) * | 1999-11-16 | 2001-05-25 | Showa Kyabotto Super Metal Kk | タンタル粉末およびその製造方法と、このタンタル粉末を用いた多孔質焼結体および固体電解コンデンサー |
| US6563695B1 (en) * | 1999-11-16 | 2003-05-13 | Cabot Supermetals K.K. | Powdered tantalum, niobium, production process thereof, and porous sintered body and solid electrolytic capacitor using the powdered tantalum or niobium |
| JP4049964B2 (ja) * | 2000-02-08 | 2008-02-20 | キャボットスーパーメタル株式会社 | 窒素含有金属粉末およびその製造方法ならびにそれを用いた多孔質焼結体および固体電解コンデンサー |
| EP1275125B1 (fr) | 2000-04-21 | 2007-02-21 | Showa Denko K.K. | Corps fritte a base de niobium, son procede de production et condensateur l'utilisant |
| JP2004052003A (ja) * | 2002-07-16 | 2004-02-19 | Cabot Supermetal Kk | ニオブ粉末またはタンタル粉末の製造方法および製造装置 |
-
2002
- 2002-11-04 BR BR0204587-7A patent/BR0204587A/pt not_active IP Right Cessation
-
2003
- 2003-08-27 AU AU2003254646A patent/AU2003254646A1/en not_active Abandoned
- 2003-08-27 CN CNA038248115A patent/CN1694973A/zh active Pending
- 2003-08-27 JP JP2004548947A patent/JP2006516039A/ja active Pending
- 2003-08-27 DE DE10393407T patent/DE10393407T5/de not_active Withdrawn
- 2003-08-27 GB GB0508844A patent/GB2409466B/en not_active Expired - Lifetime
- 2003-08-27 US US10/533,791 patent/US20060096418A1/en not_active Abandoned
- 2003-08-27 WO PCT/BR2003/000122 patent/WO2004042095A1/fr not_active Ceased
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180073853A (ko) * | 2016-12-23 | 2018-07-03 | 한국기초과학지원연구원 | 탄탈륨 분말의 제조방법 |
| KR101911871B1 (ko) | 2016-12-23 | 2018-10-29 | 한국기초과학지원연구원 | 탄탈륨 분말의 제조방법 |
| KR20210086542A (ko) * | 2019-12-30 | 2021-07-08 | 충남대학교산학협력단 | 연소 반응을 이용한 금속 나노분말 제조방법 |
| KR102359159B1 (ko) | 2019-12-30 | 2022-02-08 | 충남대학교산학협력단 | 연소 반응을 이용한 금속 나노분말 제조방법 |
| WO2025023262A1 (fr) * | 2023-07-24 | 2025-01-30 | 国立研究開発法人産業技術総合研究所 | Procédé de fabrication d'alliage, et procédé de fabrication de catalyseur d'alliage |
| WO2025023261A1 (fr) * | 2023-07-24 | 2025-01-30 | 国立研究開発法人産業技術総合研究所 | Procédé de fabrication de poudre à un seul métal, et procédé de fabrication de catalyseur de poudre à un seul métal |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10393407T5 (de) | 2005-10-06 |
| WO2004042095A1 (fr) | 2004-05-21 |
| CN1694973A (zh) | 2005-11-09 |
| GB2409466B (en) | 2006-06-21 |
| AU2003254646A1 (en) | 2004-06-07 |
| GB2409466A (en) | 2005-06-29 |
| BR0204587A (pt) | 2004-06-29 |
| US20060096418A1 (en) | 2006-05-11 |
| GB0508844D0 (en) | 2005-06-08 |
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