KR101014158B1 - 금속 니켈 분말 및 그 제조 방법 - Google Patents
금속 니켈 분말 및 그 제조 방법 Download PDFInfo
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- KR101014158B1 KR101014158B1 KR1020057003293A KR20057003293A KR101014158B1 KR 101014158 B1 KR101014158 B1 KR 101014158B1 KR 1020057003293 A KR1020057003293 A KR 1020057003293A KR 20057003293 A KR20057003293 A KR 20057003293A KR 101014158 B1 KR101014158 B1 KR 101014158B1
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- South Korea
- Prior art keywords
- nickel powder
- metal nickel
- carbonic acid
- acid solution
- metal
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 184
- 239000000843 powder Substances 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 139
- 239000002184 metal Substances 0.000 claims abstract description 139
- 239000002245 particle Substances 0.000 claims abstract description 37
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000012298 atmosphere Substances 0.000 claims abstract description 26
- 239000000243 solution Substances 0.000 claims abstract description 23
- 239000007864 aqueous solution Substances 0.000 claims abstract description 20
- 239000003985 ceramic capacitor Substances 0.000 claims abstract description 19
- 230000001590 oxidative effect Effects 0.000 claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 239000002344 surface layer Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 46
- 239000007789 gas Substances 0.000 claims description 45
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 claims description 26
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000005118 spray pyrolysis Methods 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 150000002816 nickel compounds Chemical class 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 235000011089 carbon dioxide Nutrition 0.000 claims description 4
- 238000010574 gas phase reaction Methods 0.000 claims 4
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 239000000047 product Substances 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 29
- 238000007254 oxidation reaction Methods 0.000 abstract description 16
- 230000003647 oxidation Effects 0.000 abstract description 15
- 230000032798 delamination Effects 0.000 abstract description 11
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 238000006722 reduction reaction Methods 0.000 description 20
- 229910052759 nickel Inorganic materials 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 16
- 230000009467 reduction Effects 0.000 description 14
- 238000001035 drying Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- 239000010419 fine particle Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910000480 nickel oxide Inorganic materials 0.000 description 4
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 4
- 238000011946 reduction process Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910001510 metal chloride Inorganic materials 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 239000012776 electronic material Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011859 microparticle Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000723346 Cinnamomum camphora Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- UYLAPYFNFKQSNC-UHFFFAOYSA-L [N].[Cl-].[Cl-].[Ni++] Chemical class [N].[Cl-].[Cl-].[Ni++] UYLAPYFNFKQSNC-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- -1 alkoxy compound Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229960000846 camphor Drugs 0.000 description 1
- 229930008380 camphor Natural products 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N hydrochloric acid Substances Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000002815 nickel Chemical group 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical class [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/008—Selection of materials
- H01G4/0085—Fried electrodes
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/16—Metallic particles coated with a non-metal
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
측정 항목 | 실시예1 | 실시예2 | 비교예1 | 비교예2 | 비교예3 | |
산화 피막 두께(㎚) | 5 | 3 | 1∼2 | 1∼3 | 1∼2 | |
산소 함유량(중량%) | 0.54 | 0.39 | 0.26 | 0.63 | 0.50 | |
평균 입경(㎛) | 0.49 | 0.48 | 0.49 | 0.49 | 0.48 | |
산화 거동 |
300℃에서의 중량 증가율(%) |
0 | 0.14 | 0.26 | 0.50 | 1.10 |
중량 증가율 1%일 때의 온도(℃) |
386 | 378 | 374 | 343 | 278 |
Claims (21)
- 탄산 수용액으로 표면의 수산화물이 제거되도록 처리되고, 이어서, 산화성 분위기 하에서 열처리하여 얻어진, 평균 입경이 1.0㎛ 이하이고 산소 함유량이 0.3∼2.0중량%이고 표면층 전체 둘레에 두께가 2∼10㎚인 산화 피막을 갖는 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 평균 입경이 0.05∼1㎛인 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, BET에 의한 비표면적이 1∼20㎡/g인 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 입자 형상이 구상인 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 상기 금속 니켈 분말은, 염화니켈 가스와 환원성 가스를 접촉 반응시킨 기상 반응 생성물, 혹은 열분해성의 니켈 화합물을 분무하여 열분해하는 분무 열분해 생성물인 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 상기 금속 니켈 분말은, 탄산 수용액 중에서 표면의 수산화물이 제거되도록 처리되어, 건조되고, 이어서, 산화성 분위기 하에서 열처리하여 얻어진 것임을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 기상 반응법 혹은 분무 열분해법에 의해 생성한 상기 금속 니켈 분말 슬러리를 탄산 수용액 중에서 표면의 수산화물이 제거되도록 세정하고, 계속해서 상기 탄산 수용액 중의 처리를 행하는 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 기상 반응법 혹은 분무 열분해법에 의해 생성한 상기 금속 니켈 분말을 순수 세정하고, 이 순수 세정 후의 금속 니켈 분말 물슬러리에 탄산 가스를 주입함으로써 표면의 수산화물이 제거되도록 상기 탄산 수용액 중의 처리를 행하는 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 기상 반응법 혹은 분무 열분해법에 의해 생성한 상기 금속 니켈 분말을 순수 세정하고, 이 순수 세정 후의 금속 니켈 분말 물슬러리에 탄산 수용액을 첨가함으로써 표면의 수산화물이 제거되도록 상기 탄산 수용액 중의 처리를 행하는 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 상기 탄산 수용액중의 처리가 pH 5.5∼6.5의 범위에서 행해지는 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 상기 탄산 수용액 중의 처리가 0∼100℃의 범위에서 행해지는 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 상기 산화성 분위기 하에서의 열처리 온도가 200∼400℃인 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 상기 금속 니켈 분말은, 도전 페이스트용인 것을 특징으로 하는 금속 니켈 분말.
- 제1항에 있어서, 상기 금속 니켈 분말은, 적층 세라믹 콘덴서용인 것을 특징으로 하는 금속 니켈 분말.
- 탄산 수용액 중에서 처리하고, 이어서, 산화성 분위기 하에서 열처리하는 것을 특징으로 하는 금속 니켈 분말의 처리 방법.
- 제15항에 있어서, 염화니켈 가스와 환원성 가스를 접촉 반응시켜서 얻어진 금속 니켈 분말을, 탄산 수용액 중에서 처리하고, 이어서, 산화성 분위기 하에서 열처리하는 것을 특징으로 하는 금속 니켈 분말의 처리 방법.
- 제15항에 있어서, 상기 탄산 수용액 중에서의 처리가 pH 5.5∼6.5의 범위에서 행해지는 것을 특징으로 하는 금속 니켈 분말의 처리 방법.
- 제15항에 있어서, 상기 탄산 수용액 중의 처리가 0∼100℃의 온도 범위에서 행해지는 것을 특징으로 하는 금속 니켈 분말의 처리 방법.
- 제15항에 있어서, 상기 산화성 분위기 하에서의 열처리의 온도가 200∼400℃인 것을 특징으로 하는 금속 니켈 분말의 처리 방법.
- 제15항에 있어서, 탄산 수용액 중에서 처리하여, 건조하고, 이어서, 산화성 분위기 하에서 열처리하는 것을 특징으로 하는 금속 니켈 분말의 처리 방법.
- 삭제
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US (1) | US7261761B2 (ko) |
EP (1) | EP1543902A4 (ko) |
JP (1) | JP4286220B2 (ko) |
KR (1) | KR101014158B1 (ko) |
CN (1) | CN100581687C (ko) |
TW (1) | TWI220872B (ko) |
WO (1) | WO2004020128A1 (ko) |
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WO2017122689A1 (ja) | 2016-01-12 | 2017-07-20 | 東邦チタニウム株式会社 | ニッケル粉末 |
JP2017155265A (ja) | 2016-02-29 | 2017-09-07 | 住友金属鉱山株式会社 | ニッケル粉の製造方法 |
CN105834415B (zh) * | 2016-03-25 | 2017-08-25 | 上海理工大学 | 一种胚胎形镍微球及其制备方法 |
CN108883942A (zh) * | 2016-04-21 | 2018-11-23 | 株式会社德山 | 金属粉末的制造方法 |
JP6971037B2 (ja) * | 2017-01-27 | 2021-11-24 | 三菱重工業株式会社 | 三次元積層造形用金属粉末の製造方法及び三次元積層造形方法 |
CN110461503B (zh) * | 2017-03-10 | 2022-01-14 | 东邦钛株式会社 | 镍粉和镍糊料 |
WO2019009136A1 (ja) * | 2017-07-05 | 2019-01-10 | 東邦チタニウム株式会社 | 金属粉末、及びその製造方法 |
KR20240049855A (ko) * | 2018-01-30 | 2024-04-17 | 테크나 플라즈마 시스템 인코포레이티드 | 다층 세라믹 커패시터의 전극 재료로 사용하기 위한 금속 분말과 제조 방법 및 그 사용 방법 |
CN111936424B (zh) * | 2018-03-30 | 2022-12-02 | 东邦钛株式会社 | 金属氯化物生成装置及金属粉体的制造方法 |
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- 2003-07-18 WO PCT/JP2003/009162 patent/WO2004020128A1/ja active Application Filing
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EP1543902A1 (en) | 2005-06-22 |
EP1543902A4 (en) | 2007-06-27 |
KR20050037594A (ko) | 2005-04-22 |
TWI220872B (en) | 2004-09-11 |
WO2004020128A1 (ja) | 2004-03-11 |
CN1678416A (zh) | 2005-10-05 |
CN100581687C (zh) | 2010-01-20 |
US7261761B2 (en) | 2007-08-28 |
JP4286220B2 (ja) | 2009-06-24 |
JPWO2004020128A1 (ja) | 2005-12-15 |
TW200406270A (en) | 2004-05-01 |
US20050268992A1 (en) | 2005-12-08 |
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