JP2007046074A - 金属微粒子およびその製造方法 - Google Patents
金属微粒子およびその製造方法 Download PDFInfo
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- JP2007046074A JP2007046074A JP2005228993A JP2005228993A JP2007046074A JP 2007046074 A JP2007046074 A JP 2007046074A JP 2005228993 A JP2005228993 A JP 2005228993A JP 2005228993 A JP2005228993 A JP 2005228993A JP 2007046074 A JP2007046074 A JP 2007046074A
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- graphite
- metal
- saturation magnetization
- powder
- particles
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- 239000002923 metal particle Substances 0.000 title claims abstract description 26
- 229910001111 Fine metal Inorganic materials 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 85
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 60
- 239000010439 graphite Substances 0.000 claims abstract description 60
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000000843 powder Substances 0.000 claims abstract description 38
- 238000005121 nitriding Methods 0.000 claims abstract description 37
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 33
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims description 65
- 239000002184 metal Substances 0.000 claims description 64
- 230000005415 magnetization Effects 0.000 claims description 50
- 239000010419 fine particle Substances 0.000 claims description 47
- 238000010438 heat treatment Methods 0.000 claims description 34
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 229910021529 ammonia Inorganic materials 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 239000011812 mixed powder Substances 0.000 claims description 9
- 230000001590 oxidative effect Effects 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 abstract description 27
- 238000005260 corrosion Methods 0.000 abstract description 27
- 238000002156 mixing Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 38
- 239000011248 coating agent Substances 0.000 description 37
- 239000002245 particle Substances 0.000 description 37
- 238000000034 method Methods 0.000 description 10
- 230000007423 decrease Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 239000011247 coating layer Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000011324 bead Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 229910001337 iron nitride Inorganic materials 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000007771 core particle Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000013212 metal-organic material Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Hard Magnetic Materials (AREA)
- Soft Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005228993A JP2007046074A (ja) | 2005-08-08 | 2005-08-08 | 金属微粒子およびその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005228993A JP2007046074A (ja) | 2005-08-08 | 2005-08-08 | 金属微粒子およびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007046074A true JP2007046074A (ja) | 2007-02-22 |
| JP2007046074A5 JP2007046074A5 (enExample) | 2008-08-28 |
Family
ID=37849155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005228993A Pending JP2007046074A (ja) | 2005-08-08 | 2005-08-08 | 金属微粒子およびその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2007046074A (enExample) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009032385A (ja) * | 2007-07-03 | 2009-02-12 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JP2009099982A (ja) * | 2007-10-17 | 2009-05-07 | Samsung Electronics Co Ltd | ナノドット形成方法、ナノドットを備えるメモリ素子の製造方法、ナノドットを備えるチャージトラップ層及びこれを備えるメモリ素子 |
| JP5133338B2 (ja) * | 2007-04-17 | 2013-01-30 | 株式会社日立ハイテクノロジーズ | 樹脂混合用複合フィラー |
| CN110408849A (zh) * | 2019-08-22 | 2019-11-05 | 东北大学 | 一种具有多尺度晶粒的纳米氮化铁吸波材料及其制备方法 |
| DE112019006230T5 (de) | 2019-02-13 | 2021-09-02 | Hitachi, Ltd. | Weichmagnetischer werkstoff und verfahren zur herstellung desselben, undweichmagnetischen werkstoff enthaltender elektromotor |
| DE112021003213T5 (de) | 2020-09-30 | 2023-04-27 | Hitachi, Ltd. | Weichmagnetisches Material, Verfahren zum Herstellen eines weichmagnetischen Materials und Elektromotor |
| DE112021003186T5 (de) | 2020-09-29 | 2023-04-27 | Hitachi, Ltd. | Weichmagnetisches eisenblech, verfahren zur herstellung eines weichmagnetischen eisenblechs und eisenkern und dynamoelektrische maschine, die jeweils weichmagnetisches eisenblech verwenden |
| DE112022001267T5 (de) | 2021-04-26 | 2023-12-14 | Hitachi, Ltd. | Weichmagnetische eisenlegierungsplatte, verfahren zum herstellen einer weichmagnetischen eisenlegierungsplatte, und eisenkern und rotierende elektrische maschine, die eine weichmagnetische eisenlegierungsplatte verwendet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5084430A (enExample) * | 1973-11-30 | 1975-07-08 | ||
| JPS5759304A (en) * | 1980-09-26 | 1982-04-09 | Kanto Denka Kogyo Kk | Magnetic recording material and its manufacture |
| JP2004124248A (ja) * | 2002-05-24 | 2004-04-22 | Hitachi Metals Ltd | 金属超微粒子とその製造方法、微小体の製造方法、および微小体 |
-
2005
- 2005-08-08 JP JP2005228993A patent/JP2007046074A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5084430A (enExample) * | 1973-11-30 | 1975-07-08 | ||
| JPS5759304A (en) * | 1980-09-26 | 1982-04-09 | Kanto Denka Kogyo Kk | Magnetic recording material and its manufacture |
| JP2004124248A (ja) * | 2002-05-24 | 2004-04-22 | Hitachi Metals Ltd | 金属超微粒子とその製造方法、微小体の製造方法、および微小体 |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5133338B2 (ja) * | 2007-04-17 | 2013-01-30 | 株式会社日立ハイテクノロジーズ | 樹脂混合用複合フィラー |
| JP2009032385A (ja) * | 2007-07-03 | 2009-02-12 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JP2009099982A (ja) * | 2007-10-17 | 2009-05-07 | Samsung Electronics Co Ltd | ナノドット形成方法、ナノドットを備えるメモリ素子の製造方法、ナノドットを備えるチャージトラップ層及びこれを備えるメモリ素子 |
| US8748968B2 (en) | 2007-10-17 | 2014-06-10 | Samsung Electronics Co., Ltd. | Method of forming nano dots, method of fabricating the memory device including the same, charge trap layer including the nano dots and memory device including the same |
| DE112019006230T5 (de) | 2019-02-13 | 2021-09-02 | Hitachi, Ltd. | Weichmagnetischer werkstoff und verfahren zur herstellung desselben, undweichmagnetischen werkstoff enthaltender elektromotor |
| CN113396235A (zh) * | 2019-02-13 | 2021-09-14 | 株式会社日立制作所 | 软磁性材料及其制造方法和使用了软磁性材料的电动机 |
| CN113396235B (zh) * | 2019-02-13 | 2022-07-01 | 株式会社日立制作所 | 软磁性材料及其制造方法和使用了软磁性材料的电动机 |
| US12129558B2 (en) | 2019-02-13 | 2024-10-29 | Hitachi, Ltd. | Soft magnetic material and method for producing the same, and electric motor containing soft magnetic material |
| CN110408849B (zh) * | 2019-08-22 | 2020-07-14 | 东北大学 | 一种具有多尺度晶粒的纳米氮化铁吸波材料及其制备方法 |
| CN110408849A (zh) * | 2019-08-22 | 2019-11-05 | 东北大学 | 一种具有多尺度晶粒的纳米氮化铁吸波材料及其制备方法 |
| DE112021003186T5 (de) | 2020-09-29 | 2023-04-27 | Hitachi, Ltd. | Weichmagnetisches eisenblech, verfahren zur herstellung eines weichmagnetischen eisenblechs und eisenkern und dynamoelektrische maschine, die jeweils weichmagnetisches eisenblech verwenden |
| DE112021003213T5 (de) | 2020-09-30 | 2023-04-27 | Hitachi, Ltd. | Weichmagnetisches Material, Verfahren zum Herstellen eines weichmagnetischen Materials und Elektromotor |
| DE112022001267T5 (de) | 2021-04-26 | 2023-12-14 | Hitachi, Ltd. | Weichmagnetische eisenlegierungsplatte, verfahren zum herstellen einer weichmagnetischen eisenlegierungsplatte, und eisenkern und rotierende elektrische maschine, die eine weichmagnetische eisenlegierungsplatte verwendet |
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