JPS6313324B2 - - Google Patents
Info
- Publication number
- JPS6313324B2 JPS6313324B2 JP58025297A JP2529783A JPS6313324B2 JP S6313324 B2 JPS6313324 B2 JP S6313324B2 JP 58025297 A JP58025297 A JP 58025297A JP 2529783 A JP2529783 A JP 2529783A JP S6313324 B2 JPS6313324 B2 JP S6313324B2
- Authority
- JP
- Japan
- Prior art keywords
- barium ferrite
- ferrite sintered
- weight
- coercive force
- isotropic
- 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
- 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 claims description 40
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 17
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 14
- 238000001354 calcination Methods 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 8
- 238000010304 firing Methods 0.000 claims description 6
- 150000001553 barium compounds Chemical class 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 230000004907 flux Effects 0.000 description 16
- 239000000654 additive Substances 0.000 description 15
- 229910000859 α-Fe Inorganic materials 0.000 description 15
- 230000000694 effects Effects 0.000 description 13
- 235000013980 iron oxide Nutrition 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 229910021519 iron(III) oxide-hydroxide Inorganic materials 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 101100513612 Microdochium nivale MnCO gene Proteins 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2683—Other ferrites containing alkaline earth metals or lead
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compounds Of Iron (AREA)
- Magnetic Ceramics (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58025297A JPS59161003A (ja) | 1983-02-16 | 1983-02-16 | 高保磁力ＩＨｃを有する等方性バリウムフエライト焼結磁石の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58025297A JPS59161003A (ja) | 1983-02-16 | 1983-02-16 | 高保磁力ＩＨｃを有する等方性バリウムフエライト焼結磁石の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59161003A JPS59161003A (ja) | 1984-09-11 |
| JPS6313324B2 true JPS6313324B2 (enrdf_load_stackoverflow) | 1988-03-25 |
Family
ID=12162080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58025297A Granted JPS59161003A (ja) | 1983-02-16 | 1983-02-16 | 高保磁力ＩＨｃを有する等方性バリウムフエライト焼結磁石の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59161003A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030007531A (ko) * | 1997-12-25 | 2003-01-23 | 히다찌긴조꾸가부시끼가이사 | 페라이트 자석 및 그를 포함하는 회전기와 자석롤 |
-
1983
- 1983-02-16 JP JP58025297A patent/JPS59161003A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59161003A (ja) | 1984-09-11 |
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