JPS62197324A - 強磁性酸化鉄粉末の製造方法 - Google Patents
強磁性酸化鉄粉末の製造方法Info
- Publication number
- JPS62197324A JPS62197324A JP61038071A JP3807186A JPS62197324A JP S62197324 A JPS62197324 A JP S62197324A JP 61038071 A JP61038071 A JP 61038071A JP 3807186 A JP3807186 A JP 3807186A JP S62197324 A JPS62197324 A JP S62197324A
- Authority
- JP
- Japan
- Prior art keywords
- hematite
- iron oxide
- acicular
- temp
- magnetic
- 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 34
- 239000000843 powder Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229910052595 hematite Inorganic materials 0.000 claims abstract description 28
- 239000011019 hematite Substances 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims abstract description 18
- 239000003973 paint Substances 0.000 claims abstract description 11
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 150000002894 organic compounds Chemical class 0.000 claims description 14
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 11
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 7
- 238000010304 firing Methods 0.000 claims description 2
- 230000005415 magnetization Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 230000003647 oxidation Effects 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000001354 calcination Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 229910003145 α-Fe2O3 Inorganic materials 0.000 abstract 1
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000006247 magnetic powder Substances 0.000 description 4
- 239000003209 petroleum derivative Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61038071A JPS62197324A (ja) | 1986-02-22 | 1986-02-22 | 強磁性酸化鉄粉末の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61038071A JPS62197324A (ja) | 1986-02-22 | 1986-02-22 | 強磁性酸化鉄粉末の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62197324A true JPS62197324A (ja) | 1987-09-01 |
| JPH057330B2 JPH057330B2 (enExample) | 1993-01-28 |
Family
ID=12515255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61038071A Granted JPS62197324A (ja) | 1986-02-22 | 1986-02-22 | 強磁性酸化鉄粉末の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62197324A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0653379A4 (en) * | 1993-05-20 | 1996-02-28 | Fuji Electrochemical Co Ltd | Process for manufacturing homogeneous magnetite. |
| WO1996013461A1 (en) * | 1994-10-31 | 1996-05-09 | Minnesota Mining And Manufacturing Company | Method of producing magnetic iron oxide |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498496A (enExample) * | 1972-05-15 | 1974-01-25 |
-
1986
- 1986-02-22 JP JP61038071A patent/JPS62197324A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498496A (enExample) * | 1972-05-15 | 1974-01-25 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0653379A4 (en) * | 1993-05-20 | 1996-02-28 | Fuji Electrochemical Co Ltd | Process for manufacturing homogeneous magnetite. |
| WO1996013461A1 (en) * | 1994-10-31 | 1996-05-09 | Minnesota Mining And Manufacturing Company | Method of producing magnetic iron oxide |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH057330B2 (enExample) | 1993-01-28 |
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