KR100277820B1 - 페라이트 자석용 소성원료의 제조방법 - Google Patents
페라이트 자석용 소성원료의 제조방법 Download PDFInfo
- Publication number
- KR100277820B1 KR100277820B1 KR1019940006314A KR19940006314A KR100277820B1 KR 100277820 B1 KR100277820 B1 KR 100277820B1 KR 1019940006314 A KR1019940006314 A KR 1019940006314A KR 19940006314 A KR19940006314 A KR 19940006314A KR 100277820 B1 KR100277820 B1 KR 100277820B1
- Authority
- KR
- South Korea
- Prior art keywords
- temperature
- raw material
- mill scale
- rotary furnace
- oxidation
- 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 - Lifetime
Links
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 34
- 239000002994 raw material Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 50
- 230000003647 oxidation Effects 0.000 claims abstract description 48
- 238000011282 treatment Methods 0.000 claims abstract description 23
- 239000002245 particle Substances 0.000 claims abstract description 17
- 238000010304 firing Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 9
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 230000001590 oxidative effect Effects 0.000 claims 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 13
- 238000001354 calcination Methods 0.000 abstract description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 19
- 235000013980 iron oxide Nutrition 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 108700028369 Alleles Proteins 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 238000011328 necessary treatment Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- 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
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/6265—Thermal treatment of powders or mixtures thereof other than sintering involving reduction or oxidation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP93-265869 | 1993-09-28 | ||
| JP26586993A JP3611872B2 (ja) | 1993-09-28 | 1993-09-28 | フェライト磁石用原料の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950008367A KR950008367A (ko) | 1995-04-17 |
| KR100277820B1 true KR100277820B1 (ko) | 2001-01-15 |
Family
ID=17423227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940006314A Expired - Lifetime KR100277820B1 (ko) | 1993-09-28 | 1994-03-29 | 페라이트 자석용 소성원료의 제조방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5387356A (cg-RX-API-DMAC7.html) |
| JP (1) | JP3611872B2 (cg-RX-API-DMAC7.html) |
| KR (1) | KR100277820B1 (cg-RX-API-DMAC7.html) |
| CN (1) | CN1047253C (cg-RX-API-DMAC7.html) |
| MY (1) | MY110008A (cg-RX-API-DMAC7.html) |
| TW (1) | TW259732B (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100428559B1 (ko) * | 2001-08-23 | 2004-04-28 | 재단법인 포항산업과학연구원 | 밀스케일을 사용한 단순화된 하드 페라이트 자성분말의제조방법 |
| KR100440678B1 (ko) * | 2001-12-21 | 2004-07-21 | 재단법인 포항산업과학연구원 | 산화제가 첨가된 밀스케일을 사용한 하드 페라이트의제조방법 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100521306B1 (ko) * | 2003-05-26 | 2005-10-14 | 주식회사 태평양금속 | 기계적 합금화 공정을 이용한 나노크기의 Ｓｒ계 페라이트 분말의 제조방법 |
| CN101928134A (zh) * | 2010-04-29 | 2010-12-29 | 中冶恒通冷轧技术有限公司 | 一种钡铁氧体预烧料及其制备方法 |
| CN102801270B (zh) * | 2011-05-26 | 2017-12-12 | 德昌电机(深圳)有限公司 | 永磁电机及具有该电机的厨房电器 |
| GB201708013D0 (en) * | 2017-05-18 | 2017-07-05 | Inst Energiteknik | Materials |
| CN109400139B (zh) * | 2018-09-17 | 2021-05-18 | 横店集团东磁股份有限公司 | 一种低成本永磁铁氧体材料的制备工艺 |
| CN119912249B (zh) * | 2024-12-31 | 2025-11-04 | 安徽龙磁新材料技术有限公司 | 一种永磁铁氧体的制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55157215A (en) * | 1979-05-28 | 1980-12-06 | Hitachi Metals Ltd | Manufacture of ferrite magnet |
| JPS58194305A (ja) * | 1982-05-10 | 1983-11-12 | Hitachi Metals Ltd | 酸化物永久磁石の製造方法 |
| JPS59194405A (ja) * | 1983-04-19 | 1984-11-05 | Hitachi Metals Ltd | フエライト磁石の製造方法 |
| JPH03123004A (ja) * | 1989-03-31 | 1991-05-24 | Sumitomo Special Metals Co Ltd | 高性能Ｓｒフェライト磁石の製造方法 |
| US5061412A (en) * | 1989-03-31 | 1991-10-29 | Sumitomo Special Metal Co. Ltd. | Process for producing a magnet of strontium ferrite having high performance |
| JP3054164B2 (ja) * | 1990-02-21 | 2000-06-19 | 住友特殊金属株式会社 | フェライト磁石用原料の製造方法 |
-
1993
- 1993-09-28 JP JP26586993A patent/JP3611872B2/ja not_active Expired - Lifetime
-
1994
- 1994-03-29 MY MYPI94000754A patent/MY110008A/en unknown
- 1994-03-29 KR KR1019940006314A patent/KR100277820B1/ko not_active Expired - Lifetime
- 1994-03-30 US US08/219,999 patent/US5387356A/en not_active Expired - Lifetime
- 1994-03-30 CN CN94104071A patent/CN1047253C/zh not_active Expired - Lifetime
- 1994-04-11 TW TW083103187A patent/TW259732B/zh not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100428559B1 (ko) * | 2001-08-23 | 2004-04-28 | 재단법인 포항산업과학연구원 | 밀스케일을 사용한 단순화된 하드 페라이트 자성분말의제조방법 |
| KR100440678B1 (ko) * | 2001-12-21 | 2004-07-21 | 재단법인 포항산업과학연구원 | 산화제가 첨가된 밀스케일을 사용한 하드 페라이트의제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3611872B2 (ja) | 2005-01-19 |
| KR950008367A (ko) | 1995-04-17 |
| CN1047253C (zh) | 1999-12-08 |
| MY110008A (en) | 1997-11-29 |
| US5387356A (en) | 1995-02-07 |
| CN1101164A (zh) | 1995-04-05 |
| TW259732B (cg-RX-API-DMAC7.html) | 1995-10-11 |
| JPH0797217A (ja) | 1995-04-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19940329 |
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| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19980715 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19940329 Comment text: Patent Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20000531 Patent event code: PE09021S01D |
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| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20000926 |
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| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20001013 Patent event code: PR07011E01D |
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