JPS58199726A - コバルト変性強磁性酸化鉄の製法 - Google Patents
コバルト変性強磁性酸化鉄の製法Info
- Publication number
- JPS58199726A JPS58199726A JP57080601A JP8060182A JPS58199726A JP S58199726 A JPS58199726 A JP S58199726A JP 57080601 A JP57080601 A JP 57080601A JP 8060182 A JP8060182 A JP 8060182A JP S58199726 A JPS58199726 A JP S58199726A
- Authority
- JP
- Japan
- Prior art keywords
- iron oxide
- cobalt
- temperature
- temp
- fe2o3
- 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
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 230000005294 ferromagnetic effect Effects 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title description 24
- 239000010941 cobalt Substances 0.000 title description 23
- 229910017052 cobalt Inorganic materials 0.000 title description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 5
- 230000005415 magnetization Effects 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 24
- 230000005291 magnetic effect Effects 0.000 abstract description 21
- 230000007704 transition Effects 0.000 abstract description 17
- 238000012986 modification Methods 0.000 abstract description 4
- 230000004048 modification Effects 0.000 abstract description 4
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 abstract 4
- 229910003145 α-Fe2O3 Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- 238000004455 differential thermal analysis Methods 0.000 description 11
- 239000006247 magnetic powder Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000000696 magnetic material Substances 0.000 description 10
- 239000013078 crystal Substances 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000010304 firing Methods 0.000 description 4
- 229910052598 goethite Inorganic materials 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000004859 Copal Substances 0.000 description 2
- 241000782205 Guibourtia conjugata Species 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- AZUYLZMQTIKGSC-UHFFFAOYSA-N 1-[6-[4-(5-chloro-6-methyl-1H-indazol-4-yl)-5-methyl-3-(1-methylindazol-5-yl)pyrazol-1-yl]-2-azaspiro[3.3]heptan-2-yl]prop-2-en-1-one Chemical compound ClC=1C(=C2C=NNC2=CC=1C)C=1C(=NN(C=1C)C1CC2(CN(C2)C(C=C)=O)C1)C=1C=C2C=NN(C2=CC=1)C AZUYLZMQTIKGSC-UHFFFAOYSA-N 0.000 description 1
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
- 240000003473 Grevillea banksii Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241000282806 Rhinoceros Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 241000219094 Vitaceae Species 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000007707 calorimetry Methods 0.000 description 1
- 238000009924 canning Methods 0.000 description 1
- 150000001869 cobalt compounds Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- VEPSWGHMGZQCIN-UHFFFAOYSA-H ferric oxalate Chemical compound [Fe+3].[Fe+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VEPSWGHMGZQCIN-UHFFFAOYSA-H 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000021021 grapes Nutrition 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57080601A JPS58199726A (ja) | 1982-05-12 | 1982-05-12 | コバルト変性強磁性酸化鉄の製法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57080601A JPS58199726A (ja) | 1982-05-12 | 1982-05-12 | コバルト変性強磁性酸化鉄の製法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58199726A true JPS58199726A (ja) | 1983-11-21 |
| JPS6215490B2 JPS6215490B2 (enrdf_load_stackoverflow) | 1987-04-08 |
Family
ID=13722845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57080601A Granted JPS58199726A (ja) | 1982-05-12 | 1982-05-12 | コバルト変性強磁性酸化鉄の製法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58199726A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60165703A (ja) * | 1984-02-09 | 1985-08-28 | Sony Corp | 針状強磁性酸化鉄磁性粉 |
| JPS60208805A (ja) * | 1984-04-02 | 1985-10-21 | Sony Corp | 針状強磁性酸化鉄磁性粉 |
-
1982
- 1982-05-12 JP JP57080601A patent/JPS58199726A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60165703A (ja) * | 1984-02-09 | 1985-08-28 | Sony Corp | 針状強磁性酸化鉄磁性粉 |
| JPS60208805A (ja) * | 1984-04-02 | 1985-10-21 | Sony Corp | 針状強磁性酸化鉄磁性粉 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6215490B2 (enrdf_load_stackoverflow) | 1987-04-08 |
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