JPS6131067B2 - - Google Patents
Info
- Publication number
- JPS6131067B2 JPS6131067B2 JP57035828A JP3582882A JPS6131067B2 JP S6131067 B2 JPS6131067 B2 JP S6131067B2 JP 57035828 A JP57035828 A JP 57035828A JP 3582882 A JP3582882 A JP 3582882A JP S6131067 B2 JPS6131067 B2 JP S6131067B2
- Authority
- JP
- Japan
- Prior art keywords
- boron
- added
- calcination
- sio
- pulverization
- 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.)
- Expired
Links
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 33
- 229910052796 boron Inorganic materials 0.000 claims description 33
- 238000001354 calcination Methods 0.000 claims description 29
- 239000013078 crystal Substances 0.000 claims description 25
- 238000010298 pulverizing process Methods 0.000 claims description 22
- 238000005245 sintering Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 150000001639 boron compounds Chemical class 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 25
- 239000000654 additive Substances 0.000 description 14
- 239000000843 powder Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 229910000859 α-Fe Inorganic materials 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 229910052712 strontium Inorganic materials 0.000 description 6
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005056 compaction Methods 0.000 description 3
- 238000001238 wet grinding Methods 0.000 description 3
- 239000011362 coarse particle Substances 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000003966 growth inhibitor Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- -1 H 2 B 4 O 6 Chemical class 0.000 description 1
- 229910004835 Na2B4O7 Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 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 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000011802 pulverized particle Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Magnetic Ceramics (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57035828A JPS58156575A (ja) | 1982-03-09 | 1982-03-09 | 酸化物永久磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57035828A JPS58156575A (ja) | 1982-03-09 | 1982-03-09 | 酸化物永久磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58156575A JPS58156575A (ja) | 1983-09-17 |
| JPS6131067B2 true JPS6131067B2 (enrdf_load_stackoverflow) | 1986-07-17 |
Family
ID=12452812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57035828A Granted JPS58156575A (ja) | 1982-03-09 | 1982-03-09 | 酸化物永久磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58156575A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60154504A (ja) * | 1984-01-24 | 1985-08-14 | Hitachi Metals Ltd | 酸化物永久磁石 |
| EP2819129B1 (en) * | 2012-02-20 | 2019-12-11 | TDK Corporation | Sintered ferrite magnet and motor provided therewith |
| JP5733463B2 (ja) * | 2012-02-20 | 2015-06-10 | Tdk株式会社 | フェライト焼結磁石及びそれを備えるモータ |
| CN104428855A (zh) * | 2012-07-25 | 2015-03-18 | Tdk株式会社 | Sr铁氧体烧结磁铁的制造方法、以及马达和发电机 |
| CN104379537A (zh) * | 2012-07-27 | 2015-02-25 | Tdk株式会社 | 烧结磁铁用Sr铁氧体粒子的制造方法、Sr铁氧体烧结磁铁的制造方法 |
-
1982
- 1982-03-09 JP JP57035828A patent/JPS58156575A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58156575A (ja) | 1983-09-17 |
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