JPS62112702A - 酸化皮膜を有する強磁性金属粉末の製造法 - Google Patents
酸化皮膜を有する強磁性金属粉末の製造法Info
- Publication number
- JPS62112702A JPS62112702A JP60251126A JP25112685A JPS62112702A JP S62112702 A JPS62112702 A JP S62112702A JP 60251126 A JP60251126 A JP 60251126A JP 25112685 A JP25112685 A JP 25112685A JP S62112702 A JPS62112702 A JP S62112702A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- powder
- oxygen
- oxide film
- heating
- 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.)
- Granted
Links
- 239000000843 powder Substances 0.000 title claims abstract description 35
- 230000005294 ferromagnetic effect Effects 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 239000007789 gas Substances 0.000 claims abstract description 29
- 238000000137 annealing Methods 0.000 claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 229910052786 argon Inorganic materials 0.000 claims abstract 4
- 229910052734 helium Inorganic materials 0.000 claims abstract 4
- 229910052754 neon Inorganic materials 0.000 claims abstract 4
- 239000002344 surface layer Substances 0.000 claims abstract 3
- 238000007865 diluting Methods 0.000 claims abstract 2
- 239000002184 metal Substances 0.000 claims description 33
- 229910052751 metal Inorganic materials 0.000 claims description 33
- 238000011282 treatment Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000003960 organic solvent Substances 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 4
- 239000001307 helium Substances 0.000 claims 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims 2
- 229910052757 nitrogen Inorganic materials 0.000 claims 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 229910001882 dioxygen Inorganic materials 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 abstract description 8
- 230000003647 oxidation Effects 0.000 abstract description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 6
- 239000002904 solvent Substances 0.000 abstract description 5
- 239000007792 gaseous phase Substances 0.000 abstract 3
- 230000005291 magnetic effect Effects 0.000 description 23
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 239000006247 magnetic powder Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 230000006641 stabilisation Effects 0.000 description 7
- 238000011105 stabilization Methods 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 230000007420 reactivation Effects 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 229910001111 Fine metal Inorganic materials 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 239000002923 metal particle Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- 244000175448 Citrus madurensis Species 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 235000017317 Fortunella Nutrition 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- CUPCBVUMRUSXIU-UHFFFAOYSA-N [Fe].OOO Chemical compound [Fe].OOO CUPCBVUMRUSXIU-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 229910052598 goethite Inorganic materials 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 229910021519 iron(III) oxide-hydroxide Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60251126A JPS62112702A (ja) | 1985-11-09 | 1985-11-09 | 酸化皮膜を有する強磁性金属粉末の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60251126A JPS62112702A (ja) | 1985-11-09 | 1985-11-09 | 酸化皮膜を有する強磁性金属粉末の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62112702A true JPS62112702A (ja) | 1987-05-23 |
| JPH0246642B2 JPH0246642B2 (enrdf_load_stackoverflow) | 1990-10-16 |
Family
ID=17218054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60251126A Granted JPS62112702A (ja) | 1985-11-09 | 1985-11-09 | 酸化皮膜を有する強磁性金属粉末の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62112702A (enrdf_load_stackoverflow) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6451604A (en) * | 1987-08-24 | 1989-02-27 | Chisso Corp | Manufacture of ferromagnetic metallic powder with oxide film |
| US4902357A (en) * | 1986-06-27 | 1990-02-20 | Namiki Precision Jewel Co., Ltd. | Method of manufacture of permanent magnets |
| JPH03169001A (ja) * | 1989-11-29 | 1991-07-22 | Nippon Steel Corp | 金属磁性粉末の乾式安定化方法 |
| US5062904A (en) * | 1989-10-03 | 1991-11-05 | Fuji Photo Film Co., Ltd. | Treatment of ferromagnetic metal powders and magnetic recording media using the same |
| US5129964A (en) * | 1989-09-06 | 1992-07-14 | Sps Technologies, Inc. | Process for making nd-b-fe type magnets utilizing a hydrogen and oxygen treatment |
| US5244510A (en) * | 1989-06-13 | 1993-09-14 | Yakov Bogatin | Magnetic materials and process for producing the same |
| US5735969A (en) * | 1996-03-07 | 1998-04-07 | Imation Corp. | Method of producing acicular magnetic alloy particles |
| JP2009256717A (ja) * | 2008-04-15 | 2009-11-05 | Toda Kogyo Corp | 磁気記録用金属磁性粒子粉末の製造法、並びに磁気記録媒体 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5611724A (en) * | 1979-07-07 | 1981-02-05 | Kunio Narita | *matsutake* *mushroom* cultivation method |
| JPS5852522A (ja) * | 1981-08-12 | 1983-03-28 | ユニリ−バ−・ナ−ムロ−ゼ・ベンノ−トシヤ−プ | 物品、特に魚の秤量選別装置 |
| JPS61154112A (ja) * | 1984-12-27 | 1986-07-12 | Mitsui Toatsu Chem Inc | 強磁性金属微粒子の安定化方法 |
-
1985
- 1985-11-09 JP JP60251126A patent/JPS62112702A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5611724A (en) * | 1979-07-07 | 1981-02-05 | Kunio Narita | *matsutake* *mushroom* cultivation method |
| JPS5852522A (ja) * | 1981-08-12 | 1983-03-28 | ユニリ−バ−・ナ−ムロ−ゼ・ベンノ−トシヤ−プ | 物品、特に魚の秤量選別装置 |
| JPS61154112A (ja) * | 1984-12-27 | 1986-07-12 | Mitsui Toatsu Chem Inc | 強磁性金属微粒子の安定化方法 |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4902357A (en) * | 1986-06-27 | 1990-02-20 | Namiki Precision Jewel Co., Ltd. | Method of manufacture of permanent magnets |
| JPS6451604A (en) * | 1987-08-24 | 1989-02-27 | Chisso Corp | Manufacture of ferromagnetic metallic powder with oxide film |
| US4909865A (en) * | 1987-08-24 | 1990-03-20 | Chisso Corporation | Process for producing a ferromagnetic metal powder having an oxidized coating |
| US5244510A (en) * | 1989-06-13 | 1993-09-14 | Yakov Bogatin | Magnetic materials and process for producing the same |
| US5129964A (en) * | 1989-09-06 | 1992-07-14 | Sps Technologies, Inc. | Process for making nd-b-fe type magnets utilizing a hydrogen and oxygen treatment |
| US5286307A (en) * | 1989-09-06 | 1994-02-15 | Sps Technologies, Inc. | Process for making Nd-B-Fe type magnets utilizing a hydrogen and oxygen treatment |
| US5062904A (en) * | 1989-10-03 | 1991-11-05 | Fuji Photo Film Co., Ltd. | Treatment of ferromagnetic metal powders and magnetic recording media using the same |
| JPH03169001A (ja) * | 1989-11-29 | 1991-07-22 | Nippon Steel Corp | 金属磁性粉末の乾式安定化方法 |
| US5735969A (en) * | 1996-03-07 | 1998-04-07 | Imation Corp. | Method of producing acicular magnetic alloy particles |
| JP2009256717A (ja) * | 2008-04-15 | 2009-11-05 | Toda Kogyo Corp | 磁気記録用金属磁性粒子粉末の製造法、並びに磁気記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0246642B2 (enrdf_load_stackoverflow) | 1990-10-16 |
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