JPH0474425B2 - - Google Patents
Info
- Publication number
- JPH0474425B2 JPH0474425B2 JP58084858A JP8485883A JPH0474425B2 JP H0474425 B2 JPH0474425 B2 JP H0474425B2 JP 58084858 A JP58084858 A JP 58084858A JP 8485883 A JP8485883 A JP 8485883A JP H0474425 B2 JPH0474425 B2 JP H0474425B2
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- present
- magnet material
- grain size
- crystal grain
- 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 51
- 239000013078 crystal Substances 0.000 claims description 20
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 14
- 229910052779 Neodymium Inorganic materials 0.000 claims description 12
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 12
- 229910052796 boron Inorganic materials 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 38
- 230000005291 magnetic effect Effects 0.000 description 31
- 229910001047 Hard ferrite Inorganic materials 0.000 description 13
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 12
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 12
- 229910045601 alloy Inorganic materials 0.000 description 11
- 239000000956 alloy Substances 0.000 description 11
- 230000007423 decrease Effects 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
- 238000005245 sintering Methods 0.000 description 11
- 230000005415 magnetization Effects 0.000 description 8
- 229910000828 alnico Inorganic materials 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 229910052772 Samarium Inorganic materials 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 229910052692 Dysprosium Inorganic materials 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 229910052689 Holmium Inorganic materials 0.000 description 3
- 229910052771 Terbium Inorganic materials 0.000 description 3
- 229910052775 Thulium Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 229910052765 Lutetium Inorganic materials 0.000 description 2
- 229910052769 Ytterbium Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000002178 crystalline material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005381 magnetic domain Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development 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
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 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
- 238000005498 polishing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Hard Magnetic Materials (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58084858A JPS59211551A (ja) | 1983-05-14 | 1983-05-14 | 永久磁石材料 |
| US06/516,841 US4792368A (en) | 1982-08-21 | 1983-07-25 | Magnetic materials and permanent magnets |
| CA000433188A CA1315571C (en) | 1982-08-21 | 1983-07-26 | Magnetic materials and permanent magnets |
| EP83107351A EP0106948B1 (en) | 1982-09-27 | 1983-07-26 | Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth) |
| DE8383107351T DE3379084D1 (en) | 1982-09-27 | 1983-07-26 | Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth) |
| SG48390A SG48390G (en) | 1982-09-27 | 1990-07-02 | Permanently magnetizable alloys,magnetic materials and permanent magnets comprising febr or(fe,co)br(r=vave earth) |
| HK68490A HK68490A (en) | 1982-09-27 | 1990-08-30 | Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth) |
| 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 |
|---|---|---|---|
| JP58084858A JPS59211551A (ja) | 1983-05-14 | 1983-05-14 | 永久磁石材料 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59211551A JPS59211551A (ja) | 1984-11-30 |
| JPH0474425B2 true JPH0474425B2 (xx) | 1992-11-26 |
Family
ID=13842504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58084858A Granted JPS59211551A (ja) | 1982-08-21 | 1983-05-14 | 永久磁石材料 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59211551A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0778269B2 (ja) * | 1983-05-31 | 1995-08-23 | 住友特殊金属株式会社 | 永久磁石用希土類・鉄・ボロン系正方晶化合物 |
| JPH0663056B2 (ja) * | 1984-01-09 | 1994-08-17 | コルモーゲン コーポレイション | 非焼結永久磁石合金及びその製造方法 |
| JPS61195954A (ja) * | 1985-02-26 | 1986-08-30 | Santoku Kinzoku Kogyo Kk | 永久磁石合金 |
| 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 |
-
1983
- 1983-05-14 JP JP58084858A patent/JPS59211551A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59211551A (ja) | 1984-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0101552B2 (en) | Magnetic materials, permanent magnets and methods of making those | |
| EP0126179B1 (en) | Process for producing permanent magnet materials | |
| EP0134304B1 (en) | Permanent magnets | |
| JPS6134242B2 (xx) | ||
| JPH0319296B2 (xx) | ||
| JPH0232761B2 (xx) | ||
| US5230749A (en) | Permanent magnets | |
| JPH0316761B2 (xx) | ||
| JP2665590B2 (ja) | 希土類―鉄―ボロン系磁気異方性焼結永久磁石原料用合金薄板並びに磁気異方性焼結永久磁石原料用合金粉末，及び磁気異方性焼結永久磁石 | |
| JPH0474426B2 (xx) | ||
| JPS59132105A (ja) | 永久磁石用合金 | |
| JPH0325922B2 (xx) | ||
| JPH0474425B2 (xx) | ||
| JPH052735B2 (xx) | ||
| JPS63241141A (ja) | 強磁性合金 | |
| JP2745042B2 (ja) | 希土類−鉄−ボロン系合金薄板、合金粉末及び永久磁石の製造方法 | |
| JPH044386B2 (xx) | ||
| JPS6365742B2 (xx) | ||
| JPH0535211B2 (xx) | ||
| JPH0467324B2 (xx) | ||
| JPH0316763B2 (xx) | ||
| JPH0320048B2 (xx) | ||
| JPS59215460A (ja) | 永久磁石材料の製造方法 | |
| JPH044385B2 (xx) | ||
| JPH089752B2 (ja) | Ｒ１Ｒ２ＦｅＣｏＢ系永久磁石の製造方法 |