JPH0232761B2 - - Google Patents
Info
- Publication number
- JPH0232761B2 JPH0232761B2 JP57200204A JP20020482A JPH0232761B2 JP H0232761 B2 JPH0232761 B2 JP H0232761B2 JP 57200204 A JP57200204 A JP 57200204A JP 20020482 A JP20020482 A JP 20020482A JP H0232761 B2 JPH0232761 B2 JP H0232761B2
- Authority
- JP
- Japan
- Prior art keywords
- rare earth
- permanent magnet
- elements
- additive
- 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.)
- Expired - Lifetime
Links
- 239000000654 additive Substances 0.000 claims description 37
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 36
- 230000000996 additive effect Effects 0.000 claims description 35
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 14
- 229910052779 Neodymium Inorganic materials 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 7
- 229910052772 Samarium Inorganic materials 0.000 claims description 7
- 229910052684 Cerium Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 5
- 229910052775 Thulium Inorganic materials 0.000 claims description 5
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 229910052693 Europium Inorganic materials 0.000 claims description 4
- 229910052691 Erbium Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- 229910052797 bismuth Inorganic materials 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 229910001047 Hard ferrite Inorganic materials 0.000 description 13
- 229910045601 alloy Inorganic materials 0.000 description 12
- 239000000956 alloy Substances 0.000 description 12
- 229910052796 boron Inorganic materials 0.000 description 11
- 229910017052 cobalt Inorganic materials 0.000 description 10
- 239000010941 cobalt Substances 0.000 description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 10
- 150000002910 rare earth metals Chemical class 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000005415 magnetization Effects 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 229910052748 manganese Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 5
- 229910052715 tantalum Inorganic materials 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 229910052689 Holmium Inorganic materials 0.000 description 4
- 229910052765 Lutetium Inorganic materials 0.000 description 4
- 229910052771 Terbium Inorganic materials 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 229910052727 yttrium Inorganic materials 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 3
- 229910052732 germanium Inorganic materials 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- 229910000640 Fe alloy Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical group [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000828 alnico Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000012776 electronic material Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 229910002058 ternary alloy Inorganic materials 0.000 description 2
- 229910000521 B alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 229910000628 Ferrovanadium Inorganic materials 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910000859 α-Fe 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
- H01F1/04—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
-
- 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
- H01F1/06—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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (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 |
|---|---|---|---|
| JP57200204A JPS5989401A (ja) | 1982-11-15 | 1982-11-15 | 永久磁石 |
| CA000431730A CA1316375C (en) | 1982-08-21 | 1983-07-04 | Magnetic materials and permanent magnets |
| EP83106573A EP0101552B2 (en) | 1982-08-21 | 1983-07-05 | Magnetic materials, permanent magnets and methods of making those |
| 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. |
| 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 |
|---|---|---|---|
| JP57200204A JPS5989401A (ja) | 1982-11-15 | 1982-11-15 | 永久磁石 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62329640A Division JPS63241141A (ja) | 1987-12-28 | 1987-12-28 | 強磁性合金 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5989401A JPS5989401A (ja) | 1984-05-23 |
| JPH0232761B2 true JPH0232761B2 (da) | 1990-07-23 |
Family
ID=16420528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57200204A Granted JPS5989401A (ja) | 1982-08-21 | 1982-11-15 | 永久磁石 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5989401A (da) |
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 (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60204862A (ja) * | 1984-03-28 | 1985-10-16 | Toshiba Corp | 希土類鉄系永久磁石合金 |
| JPS6181604A (ja) * | 1984-09-04 | 1986-04-25 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
| JPS61227150A (ja) * | 1985-03-30 | 1986-10-09 | Toshiba Corp | 永久磁石合金及び永久磁石の製造方法 |
| JPS6187825A (ja) * | 1984-10-05 | 1986-05-06 | Hitachi Metals Ltd | 永久磁石材料の製造方法 |
| JPS61147504A (ja) * | 1984-11-30 | 1986-07-05 | Tohoku Metal Ind Ltd | 希土類磁石 |
| JPS61147503A (ja) * | 1984-11-30 | 1986-07-05 | Tohoku Metal Ind Ltd | 希土類磁石 |
| JPS62165305A (ja) * | 1986-01-16 | 1987-07-21 | Hitachi Metals Ltd | 熱安定性良好な永久磁石およびその製造方法 |
| JPH0621324B2 (ja) * | 1986-10-04 | 1994-03-23 | 信越化学工業株式会社 | 希土類永久磁石合金用組成物 |
| JPH01103805A (ja) * | 1987-07-30 | 1989-04-20 | Tdk Corp | 永久磁石 |
| JPH0283905A (ja) * | 1988-09-20 | 1990-03-26 | Sumitomo Special Metals Co Ltd | 耐食性永久磁石およびその製造方法 |
| JPH05226131A (ja) * | 1992-10-15 | 1993-09-03 | Daido Steel Co Ltd | 永久磁石用粉末および永久磁石 |
| US6319336B1 (en) | 1998-07-29 | 2001-11-20 | Dowa Mining Co., Ltd. | Permanent magnet alloy having improved heat resistance and process for production thereof |
| US6833036B2 (en) | 2001-06-29 | 2004-12-21 | Tdk Corporation | Rare earth permanent magnet |
| DE112006000070T5 (de) | 2005-07-15 | 2008-08-14 | Hitachi Metals, Ltd. | Seltenerdmetall-Sintermagnet und Verfahren zu seiner Herstellung |
| KR101378090B1 (ko) | 2007-05-02 | 2014-03-27 | 히다찌긴조꾸가부시끼가이사 | Ｒ－ｔ－ｂ계 소결 자석 |
| WO2008139556A1 (ja) | 2007-05-02 | 2008-11-20 | Hitachi Metals, Ltd. | Ｒ－ｔ－ｂ系焼結磁石 |
| EP2302646B1 (en) | 2008-06-13 | 2018-10-31 | Hitachi Metals, Ltd. | R-t-cu-mn-b type sintered magnet |
-
1982
- 1982-11-15 JP JP57200204A patent/JPS5989401A/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 |
|---|---|
| JPS5989401A (ja) | 1984-05-23 |
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