JPS6246506A - 磁性粉末の製造方法 - Google Patents
磁性粉末の製造方法Info
- Publication number
- JPS6246506A JPS6246506A JP60185421A JP18542185A JPS6246506A JP S6246506 A JPS6246506 A JP S6246506A JP 60185421 A JP60185421 A JP 60185421A JP 18542185 A JP18542185 A JP 18542185A JP S6246506 A JPS6246506 A JP S6246506A
- Authority
- JP
- Japan
- Prior art keywords
- substance
- ferrite
- magnetic powder
- hexagonal ferrite
- crystals
- 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
- 239000006247 magnetic powder Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 33
- 239000000126 substance Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000013078 crystal Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000007496 glass forming Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 3
- 239000000571 coke Substances 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
- 239000010419 fine particle Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 210000004246 corpus luteum Anatomy 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 2
- -1 CO2 ions Chemical class 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60185421A JPS6246506A (ja) | 1985-08-23 | 1985-08-23 | 磁性粉末の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60185421A JPS6246506A (ja) | 1985-08-23 | 1985-08-23 | 磁性粉末の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6246506A true JPS6246506A (ja) | 1987-02-28 |
| JPH0518442B2 JPH0518442B2 (enrdf_load_stackoverflow) | 1993-03-12 |
Family
ID=16170494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60185421A Granted JPS6246506A (ja) | 1985-08-23 | 1985-08-23 | 磁性粉末の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6246506A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60144910A (ja) * | 1984-01-06 | 1985-07-31 | Hitachi Metals Ltd | 磁気記録用磁性粉の製造方法 |
-
1985
- 1985-08-23 JP JP60185421A patent/JPS6246506A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60144910A (ja) * | 1984-01-06 | 1985-07-31 | Hitachi Metals Ltd | 磁気記録用磁性粉の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0518442B2 (enrdf_load_stackoverflow) | 1993-03-12 |
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