JPS6272529A - 磁性粉末の製造方法 - Google Patents
磁性粉末の製造方法Info
- Publication number
- JPS6272529A JPS6272529A JP60213783A JP21378385A JPS6272529A JP S6272529 A JPS6272529 A JP S6272529A JP 60213783 A JP60213783 A JP 60213783A JP 21378385 A JP21378385 A JP 21378385A JP S6272529 A JPS6272529 A JP S6272529A
- Authority
- JP
- Japan
- Prior art keywords
- hexagonal ferrite
- magnetic powder
- mixture
- heat
- ferrite
- 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 20
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 41
- 239000013078 crystal Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 4
- 150000002739 metals Chemical class 0.000 claims description 13
- 238000007496 glass forming Methods 0.000 claims description 10
- 239000000470 constituent Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
- 239000000843 powder Substances 0.000 description 11
- 239000010419 fine particle Substances 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007788 liquid Substances 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
- 239000000047 product Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 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 |
|---|---|---|---|
| JP60213783A JPS6272529A (ja) | 1985-09-27 | 1985-09-27 | 磁性粉末の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60213783A JPS6272529A (ja) | 1985-09-27 | 1985-09-27 | 磁性粉末の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6272529A true JPS6272529A (ja) | 1987-04-03 |
| JPH0348139B2 JPH0348139B2 (enrdf_load_stackoverflow) | 1991-07-23 |
Family
ID=16644965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60213783A Granted JPS6272529A (ja) | 1985-09-27 | 1985-09-27 | 磁性粉末の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6272529A (enrdf_load_stackoverflow) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5756331A (en) * | 1980-09-22 | 1982-04-03 | Toshiba Corp | Hexagonal ferrite powder |
| JPS6081028A (ja) * | 1983-10-12 | 1985-05-09 | Tohoku Metal Ind Ltd | Ｗ相型六方晶フエライト粒子の製造方法 |
| JPS6218701A (ja) * | 1985-07-18 | 1987-01-27 | Sony Corp | 六方晶系フエライト粒子粉末の製造方法 |
-
1985
- 1985-09-27 JP JP60213783A patent/JPS6272529A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5756331A (en) * | 1980-09-22 | 1982-04-03 | Toshiba Corp | Hexagonal ferrite powder |
| JPS6081028A (ja) * | 1983-10-12 | 1985-05-09 | Tohoku Metal Ind Ltd | Ｗ相型六方晶フエライト粒子の製造方法 |
| JPS6218701A (ja) * | 1985-07-18 | 1987-01-27 | Sony Corp | 六方晶系フエライト粒子粉末の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0348139B2 (enrdf_load_stackoverflow) | 1991-07-23 |
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