JP4314347B2 - フエライト磁性粉の製法 - Google Patents
フエライト磁性粉の製法 Download PDFInfo
- Publication number
- JP4314347B2 JP4314347B2 JP34350199A JP34350199A JP4314347B2 JP 4314347 B2 JP4314347 B2 JP 4314347B2 JP 34350199 A JP34350199 A JP 34350199A JP 34350199 A JP34350199 A JP 34350199A JP 4314347 B2 JP4314347 B2 JP 4314347B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic powder
- ferrite magnetic
- strontium ferrite
- carbon dioxide
- blown
- 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
- 239000006247 magnetic powder Substances 0.000 title claims description 67
- 229910000859 α-Fe Inorganic materials 0.000 title claims description 52
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 31
- 229910052712 strontium Inorganic materials 0.000 claims description 20
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 20
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 15
- 239000001569 carbon dioxide Substances 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 10
- 238000000137 annealing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000010298 pulverizing process Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 2
- 238000003763 carbonization Methods 0.000 claims 1
- 230000018044 dehydration Effects 0.000 claims 1
- 238000006297 dehydration reaction Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000011230 binding agent Substances 0.000 description 21
- 239000002245 particle Substances 0.000 description 12
- 230000009257 reactivity Effects 0.000 description 11
- 238000004898 kneading Methods 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 239000003513 alkali Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 150000001722 carbon compounds Chemical class 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009775 high-speed stirring Methods 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910000018 strontium carbonate Inorganic materials 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
- H01F1/11—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 in the form of particles
- H01F1/113—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 in the form of particles in a bonding agent
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34350199A JP4314347B2 (ja) | 1999-12-02 | 1999-12-02 | フエライト磁性粉の製法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34350199A JP4314347B2 (ja) | 1999-12-02 | 1999-12-02 | フエライト磁性粉の製法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001160506A JP2001160506A (ja) | 2001-06-12 |
| JP2001160506A5 JP2001160506A5 (https=) | 2005-02-03 |
| JP4314347B2 true JP4314347B2 (ja) | 2009-08-12 |
Family
ID=18362010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34350199A Expired - Lifetime JP4314347B2 (ja) | 1999-12-02 | 1999-12-02 | フエライト磁性粉の製法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4314347B2 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4555953B2 (ja) * | 2003-02-14 | 2010-10-06 | Ｄｏｗａエレクトロニクス株式会社 | フエライト磁性粉の製法 |
| JP2005154904A (ja) | 2003-11-25 | 2005-06-16 | Samsung Electronics Co Ltd | 炭素含有ニッケル粒子粉末およびその製造方法 |
| JP4674370B2 (ja) * | 2004-03-22 | 2011-04-20 | Ｄｏｗａエレクトロニクス株式会社 | ボンド磁石用フェライト磁性粉 |
| JP4820312B2 (ja) * | 2006-03-31 | 2011-11-24 | Ｄｏｗａエレクトロニクス株式会社 | ボンド磁石用フェライト磁性粉およびその製造方法、並びにボンド磁石 |
-
1999
- 1999-12-02 JP JP34350199A patent/JP4314347B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001160506A (ja) | 2001-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101166355B1 (ko) | 본드 자석 및 본드 자석용 페라이트 자성 분말 | |
| CN112209707B (zh) | 一种高性能永磁铁氧体的制备方法 | |
| CN109400139B (zh) | 一种低成本永磁铁氧体材料的制备工艺 | |
| CN111099889A (zh) | 一种提高永磁铁氧体磁性能的方法 | |
| CN113651608A (zh) | 干压永磁铁氧体及其制备方法和应用 | |
| CN112321294A (zh) | 一种铁氧体永磁材料及其制备方法 | |
| CN105637601A (zh) | 粘结磁体用铁氧体颗粒粉末、粘结磁体用树脂组合物以及使用它们的成型体 | |
| JP4314347B2 (ja) | フエライト磁性粉の製法 | |
| CN101410912B (zh) | 粘结磁体用铁氧体磁性粉及其制备方法和粘结磁体 | |
| JP4674370B2 (ja) | ボンド磁石用フェライト磁性粉 | |
| CN114014644A (zh) | 一种钙系永磁铁氧体材料及其制备方法 | |
| JPH07106172A (ja) | フェライト磁石の製造方法 | |
| CN112321292A (zh) | 一种烧结铁氧体预烧料的制造方法 | |
| CN116130193A (zh) | 铁氧体磁粉及其制备方法、粘结磁体 | |
| CN112723871A (zh) | 一种高磁性永磁铁氧体磁瓦及其制备方法 | |
| CN101700974B (zh) | 一种含碳烧结永磁铁氧体及其制作方法 | |
| CN111943660A (zh) | 一种锶永磁铁氧体及制备方法和该制备方法所用的一种分散剂 | |
| JP3294507B2 (ja) | フエライト磁性粉 | |
| CN106083023B (zh) | 一种高机械强度锶铁氧体磁体的制备方法及产品 | |
| CN100411071C (zh) | 粘合磁体及制造该粘合磁体的方法 | |
| CN120554103A (zh) | 一种永磁铁氧体及其制备方法和应用 | |
| JPH11283819A (ja) | ボンド磁石用フエライト磁性粉およびその製造法 | |
| CN120887713A (zh) | 一种锶永磁铁氧体及其制备工艺 | |
| TWI691471B (zh) | 改質鐵氧體磁粉及磁石的製造方法 | |
| CN115894003A (zh) | 一种永磁铁氧体用预烧料的造球方法及应用 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040301 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040301 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20060418 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060425 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060622 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070327 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070525 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080219 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080415 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090407 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20090420 |
|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20090420 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090421 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20090420 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 4314347 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120529 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130529 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140529 Year of fee payment: 5 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |