KR970060272A - 성형성이 양호한 영구자석용 원료분말의 제조방법 - Google Patents
성형성이 양호한 영구자석용 원료분말의 제조방법 Download PDFInfo
- Publication number
- KR970060272A KR970060272A KR1019970000339A KR19970000339A KR970060272A KR 970060272 A KR970060272 A KR 970060272A KR 1019970000339 A KR1019970000339 A KR 1019970000339A KR 19970000339 A KR19970000339 A KR 19970000339A KR 970060272 A KR970060272 A KR 970060272A
- Authority
- KR
- South Korea
- Prior art keywords
- needle
- producing
- raw material
- aspect ratio
- permanent magnets
- 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.)
- Abandoned
Links
- 239000000843 powder Substances 0.000 title claims abstract 14
- 239000002994 raw material Substances 0.000 title claims abstract 13
- 238000004519 manufacturing process Methods 0.000 title claims abstract 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract 32
- 229910052742 iron Inorganic materials 0.000 claims abstract 10
- 238000010438 heat treatment Methods 0.000 claims abstract 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract 7
- 239000001301 oxygen Substances 0.000 claims abstract 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract 7
- 229910017052 cobalt Inorganic materials 0.000 claims abstract 6
- 239000010941 cobalt Substances 0.000 claims abstract 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract 5
- 229910052796 boron Inorganic materials 0.000 claims abstract 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract 5
- 150000002910 rare earth metals Chemical class 0.000 claims abstract 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910002588 FeOOH Inorganic materials 0.000 claims 4
- -1 cobalt metals Chemical class 0.000 claims 4
- 239000013078 crystal Substances 0.000 claims 4
- 229910052751 metal Inorganic materials 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 3
- 239000001257 hydrogen Substances 0.000 claims 3
- 229910052739 hydrogen Inorganic materials 0.000 claims 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 abstract 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
- H01F1/04—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 metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/142—Thermal or thermo-mechanical treatment
-
- 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
- H01F1/04—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 metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
-
- 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
- H01F1/04—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 metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0578—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together bonded together
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Nanotechnology (AREA)
- Hard Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8002517A JPH09194911A (ja) | 1996-01-10 | 1996-01-10 | 成形性の良好な永久磁石用原料粉末の製造方法 |
| JP96-2517 | 1996-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR970060272A true KR970060272A (ko) | 1997-08-12 |
Family
ID=11531573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970000339A Abandoned KR970060272A (ko) | 1996-01-10 | 1997-01-09 | 성형성이 양호한 영구자석용 원료분말의 제조방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US5865873A (enExample) |
| EP (1) | EP0784328B1 (enExample) |
| JP (1) | JPH09194911A (enExample) |
| KR (1) | KR970060272A (enExample) |
| CN (1) | CN1085954C (enExample) |
| DE (1) | DE69706200T2 (enExample) |
| TW (1) | TW310438B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09194911A (ja) * | 1996-01-10 | 1997-07-29 | Kawasaki Teitoku Kk | 成形性の良好な永久磁石用原料粉末の製造方法 |
| JPH1131610A (ja) * | 1997-07-11 | 1999-02-02 | Mitsubishi Materials Corp | 磁気異方性に優れた希土類磁石粉末の製造方法 |
| AU2327300A (en) * | 1999-02-10 | 2000-08-29 | Hitachi Maxell, Ltd. | Magnetic recording medium, and magnetic powder and method for preparing the same |
| JP2001254103A (ja) * | 2000-03-13 | 2001-09-18 | Sanei Kasei Kk | ナノコンポジット構造を有する金属粒子及び自己組織化によるその製造方法 |
| EP3899736A4 (en) | 2018-12-19 | 2022-09-07 | Micron Technology, Inc. | STORAGE DEVICES, MODULES AND SYSTEMS INCLUDING STORAGE DEVICES WITH VARYING PHYSICAL DIMENSIONS, STORAGE FORMATS AND OPERATING CAPABILITIES |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3967986A (en) * | 1975-01-27 | 1976-07-06 | U.S. Philips Corporation | Method of preparing ferromagnetic material |
| EP0041257B1 (en) * | 1980-05-30 | 1984-11-14 | Hitachi Maxell Ltd. | Process for preparing ferromagnetic particles comprising metallic iron |
| JPS58147502A (ja) * | 1982-02-26 | 1983-09-02 | Fuji Photo Film Co Ltd | 強磁性金属粉末の製造法 |
| JPS5946008A (ja) | 1982-08-21 | 1984-03-15 | Sumitomo Special Metals Co Ltd | 永久磁石 |
| JPS5980901A (ja) * | 1982-11-01 | 1984-05-10 | Fuji Photo Film Co Ltd | 強磁性金属粉末の製造法 |
| JPS62229803A (ja) * | 1986-03-29 | 1987-10-08 | Kobe Steel Ltd | プラスチツク磁石用Ｎｄ−Ｆｅ−Ｂ系合金粉末 |
| JPH05179313A (ja) * | 1992-01-06 | 1993-07-20 | Daido Steel Co Ltd | 希土類磁石材料の製造法 |
| DE69406163T2 (de) * | 1993-03-08 | 1998-03-05 | Ishihara Sangyo Kaisha | Verfahren zur Herstellung von magnetischen metallischen Teilchen |
| JPH07106110A (ja) * | 1993-10-06 | 1995-04-21 | Yasunori Takahashi | ボンド磁石製造用粉末組成物、磁気異方性永久磁石及び磁気異方性永久磁石の製造法 |
| JP3109637B2 (ja) * | 1993-12-10 | 2000-11-20 | 日亜化学工業株式会社 | 異方性針状磁性粉末およびそれを用いたボンド磁石 |
| JPH07272913A (ja) * | 1994-03-30 | 1995-10-20 | Kawasaki Teitoku Kk | 永久磁石原料、その製造法及び永久磁石 |
| JPH0866203A (ja) * | 1994-08-30 | 1996-03-12 | Midori Anzen Co Ltd | 安全靴 |
| JPH09194911A (ja) * | 1996-01-10 | 1997-07-29 | Kawasaki Teitoku Kk | 成形性の良好な永久磁石用原料粉末の製造方法 |
| US5849109A (en) * | 1997-03-10 | 1998-12-15 | Mitsubishi Materials Corporation | Methods of producing rare earth alloy magnet powder with superior magnetic anisotropy |
-
1996
- 1996-01-10 JP JP8002517A patent/JPH09194911A/ja active Pending
- 1996-12-23 TW TW085115879A patent/TW310438B/zh active
-
1997
- 1997-01-06 US US08/779,218 patent/US5865873A/en not_active Expired - Fee Related
- 1997-01-09 DE DE69706200T patent/DE69706200T2/de not_active Expired - Fee Related
- 1997-01-09 EP EP97100252A patent/EP0784328B1/en not_active Expired - Lifetime
- 1997-01-09 KR KR1019970000339A patent/KR970060272A/ko not_active Abandoned
- 1997-01-10 CN CN97102905A patent/CN1085954C/zh not_active Expired - Fee Related
-
1998
- 1998-07-09 US US09/112,288 patent/US6103021A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1162511A (zh) | 1997-10-22 |
| JPH09194911A (ja) | 1997-07-29 |
| DE69706200D1 (de) | 2001-09-27 |
| US5865873A (en) | 1999-02-02 |
| US6103021A (en) | 2000-08-15 |
| TW310438B (enExample) | 1997-07-11 |
| EP0784328B1 (en) | 2001-08-22 |
| EP0784328A1 (en) | 1997-07-16 |
| DE69706200T2 (de) | 2002-03-28 |
| CN1085954C (zh) | 2002-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19970109 |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20020107 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19970109 Comment text: Patent Application |
|
| 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: 20040126 |
|
| NORF | Unpaid initial registration fee | ||
| PC1904 | Unpaid initial registration fee |