JPH0325922B2 - - Google Patents
Info
- Publication number
- JPH0325922B2 JPH0325922B2 JP58037896A JP3789683A JPH0325922B2 JP H0325922 B2 JPH0325922 B2 JP H0325922B2 JP 58037896 A JP58037896 A JP 58037896A JP 3789683 A JP3789683 A JP 3789683A JP H0325922 B2 JPH0325922 B2 JP H0325922B2
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- present
- magnetic
- grain size
- magnet material
- 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
- 239000000463 material Substances 0.000 claims description 48
- 230000005291 magnetic effect Effects 0.000 claims description 39
- 239000013078 crystal Substances 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 20
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 14
- 229910052779 Neodymium Inorganic materials 0.000 claims description 8
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 6
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 4
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 4
- 229910052689 Holmium Inorganic materials 0.000 claims description 4
- 229910052771 Terbium Inorganic materials 0.000 claims description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 28
- 230000005415 magnetization Effects 0.000 description 21
- 150000001875 compounds Chemical class 0.000 description 18
- 229910045601 alloy Inorganic materials 0.000 description 15
- 239000000956 alloy Substances 0.000 description 15
- 229910001047 Hard ferrite Inorganic materials 0.000 description 12
- 239000002245 particle Substances 0.000 description 12
- 238000005245 sintering Methods 0.000 description 11
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 9
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 9
- 229910052796 boron Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 230000005347 demagnetization Effects 0.000 description 6
- 230000004907 flux Effects 0.000 description 6
- 239000010419 fine particle Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 229910052772 Samarium Inorganic materials 0.000 description 4
- 229910000828 alnico Inorganic materials 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 229910052727 yttrium Inorganic materials 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005381 magnetic domain Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000722 Didymium Inorganic materials 0.000 description 1
- 241000224487 Didymium Species 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
- C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
-
- 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
-
- 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
- H01F1/0577—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 sintered
-
- 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
- H01F1/06—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 in the form of particles, e.g. powder
- H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/086—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 in the form of particles, e.g. powder pressed, sintered, or bound together sintered
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58037896A JPS59163802A (ja) | 1983-03-08 | 1983-03-08 | 永久磁石材料 |
| CA000431730A CA1316375C (en) | 1982-08-21 | 1983-07-04 | Magnetic materials and permanent magnets |
| DE8383106573T DE3380376D1 (en) | 1982-08-21 | 1983-07-05 | Magnetic materials, permanent magnets and methods of making those |
| DE198383106573T DE101552T1 (de) | 1982-08-21 | 1983-07-05 | Magnetische materialien und permanente magnete. |
| EP83106573A EP0101552B2 (en) | 1982-08-21 | 1983-07-05 | Magnetic materials, permanent magnets and methods of making those |
| US07/013,165 US4770723A (en) | 1982-08-21 | 1987-02-10 | Magnetic materials and permanent magnets |
| US07/224,411 US5096512A (en) | 1982-08-21 | 1988-07-26 | Magnetic materials and permanent magnets |
| SG48490A SG48490G (en) | 1982-08-21 | 1990-07-02 | Magnetic materials,permanent magnets and methods of making those |
| HK682/90A HK68290A (en) | 1982-08-21 | 1990-08-30 | Magnetic materials, permanent magnets and methods of making those |
| US07/877,400 US5183516A (en) | 1982-08-21 | 1992-04-30 | Magnetic materials and permanent magnets |
| US07/876,902 US5194098A (en) | 1982-08-21 | 1992-04-30 | Magnetic materials |
| US08/194,647 US5466308A (en) | 1982-08-21 | 1994-02-10 | Magnetic precursor materials for making permanent magnets |
| US08/485,183 US5645651A (en) | 1982-08-21 | 1995-06-07 | Magnetic materials and permanent magnets |
| US08/848,283 US5766372A (en) | 1982-08-21 | 1997-04-29 | Method of making magnetic precursor for permanent magnets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58037896A JPS59163802A (ja) | 1983-03-08 | 1983-03-08 | 永久磁石材料 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59163802A JPS59163802A (ja) | 1984-09-14 |
| JPH0325922B2 true JPH0325922B2 (enrdf_load_stackoverflow) | 1991-04-09 |
Family
ID=12510300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58037896A Granted JPS59163802A (ja) | 1982-08-21 | 1983-03-08 | 永久磁石材料 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59163802A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2597660A2 (en) | 2004-07-01 | 2013-05-29 | Intermetallics Co., Ltd. | Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1273231A (en) * | 1984-12-10 | 1990-08-28 | Kalathur S.V.L. Narasimhan | Permanent magnet alloy |
| JPS61150201A (ja) * | 1984-12-24 | 1986-07-08 | Sumitomo Special Metals Co Ltd | 耐食性のすぐれた永久磁石 |
| JPS6338217A (ja) * | 1986-08-04 | 1988-02-18 | Tohoku Metal Ind Ltd | 焼結型希土類磁石の製造方法 |
| DE68925506T2 (de) * | 1988-10-04 | 1996-09-19 | Hitachi Metals Ltd | Gebundener R-Fe-B-Magnet und Verfahren zur Herstellung |
| JP5477282B2 (ja) | 2008-03-31 | 2014-04-23 | 日立金属株式会社 | Ｒ−ｔ−ｂ系焼結磁石およびその製造方法 |
-
1983
- 1983-03-08 JP JP58037896A patent/JPS59163802A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2597660A2 (en) | 2004-07-01 | 2013-05-29 | Intermetallics Co., Ltd. | Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy |
| EP2597659A2 (en) | 2004-07-01 | 2013-05-29 | Intermetallics Co., Ltd. | Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59163802A (ja) | 1984-09-14 |