JPS6134242B2 - - Google Patents
Info
- Publication number
- JPS6134242B2 JPS6134242B2 JP57145072A JP14507282A JPS6134242B2 JP S6134242 B2 JPS6134242 B2 JP S6134242B2 JP 57145072 A JP57145072 A JP 57145072A JP 14507282 A JP14507282 A JP 14507282A JP S6134242 B2 JPS6134242 B2 JP S6134242B2
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- rare earth
- magnets
- atomic
- present
- 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
Links
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 26
- 229910052779 Neodymium Inorganic materials 0.000 claims description 19
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 18
- 229910052796 boron Inorganic materials 0.000 claims description 13
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 9
- 229910052689 Holmium Inorganic materials 0.000 claims description 8
- 229910052771 Terbium Inorganic materials 0.000 claims description 8
- 229910052684 Cerium Inorganic materials 0.000 claims description 6
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 6
- 229910052772 Samarium Inorganic materials 0.000 claims description 6
- 229910052775 Thulium Inorganic materials 0.000 claims description 6
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 6
- 229910052693 Europium Inorganic materials 0.000 claims description 5
- 229910052691 Erbium Inorganic materials 0.000 claims description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 31
- 150000001875 compounds Chemical class 0.000 description 21
- 230000005415 magnetization Effects 0.000 description 17
- 229910045601 alloy Inorganic materials 0.000 description 12
- 239000000956 alloy Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 9
- 229910017052 cobalt Inorganic materials 0.000 description 8
- 239000010941 cobalt Substances 0.000 description 8
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 8
- 150000002910 rare earth metals Chemical class 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 229910001047 Hard ferrite Inorganic materials 0.000 description 5
- 230000005347 demagnetization Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 229910052765 Lutetium Inorganic materials 0.000 description 4
- 229910052710 silicon Inorganic materials 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
- 229910000828 alnico Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002994 raw material Substances 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
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000004544 sputter deposition Methods 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
- 230000032683 aging Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance 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
- 229910052725 zinc 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57145072A JPS5946008A (ja) | 1982-08-21 | 1982-08-21 | 永久磁石 |
| 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 |
| US06/516,841 US4792368A (en) | 1982-08-21 | 1983-07-25 | Magnetic materials and permanent magnets |
| 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 |
|---|---|---|---|
| JP57145072A JPS5946008A (ja) | 1982-08-21 | 1982-08-21 | 永久磁石 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59246897A Division JPS60187662A (ja) | 1984-11-21 | 1984-11-21 | 強磁性合金 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5946008A JPS5946008A (ja) | 1984-03-15 |
| JPS6134242B2 true JPS6134242B2 (zh) | 1986-08-06 |
Family
ID=15376725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57145072A Granted JPS5946008A (ja) | 1982-08-21 | 1982-08-21 | 永久磁石 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5946008A (zh) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648670U (ja) * | 1992-11-04 | 1994-07-05 | 張 仁 洙 | 哺乳瓶用保温器 |
| EP0784328A1 (en) | 1996-01-10 | 1997-07-16 | Kawasaki Teitoku Co., Ltd. | Method of preparing raw material powder for permanent magnets superior in moldability |
| US7090730B2 (en) | 2002-11-14 | 2006-08-15 | Shin-Etsu Chemical Co., Ltd. | R-Fe-B sintered magnet |
| EP2597660A2 (en) | 2004-07-01 | 2013-05-29 | Intermetallics Co., Ltd. | Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy |
| WO2016047593A1 (ja) | 2014-09-28 | 2016-03-31 | Ｎｄｆｅｂ株式会社 | 希土類焼結磁石の製造方法及び当該製法にて使用される製造装置 |
| US9551052B2 (en) | 2005-07-15 | 2017-01-24 | Hitachi Metals, Ltd. | Rare earth sintered magnet and method for production thereof |
| WO2022163407A1 (ja) | 2021-01-26 | 2022-08-04 | Ｎｄｆｅｂ株式会社 | Ｎｄ－Ｆｅ－Ｂ積層焼結磁石およびその製造方法 |
Families Citing this family (105)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60162750A (ja) * | 1984-02-01 | 1985-08-24 | Nippon Gakki Seizo Kk | 希土類磁石およびその製法 |
| JPS60162754A (ja) * | 1984-02-02 | 1985-08-24 | Hitachi Metals Ltd | 永久磁石合金 |
| JPS60150893U (ja) * | 1984-03-17 | 1985-10-07 | 住友特殊金属株式会社 | スピ−カ用磁気回路 |
| JPS60221551A (ja) * | 1984-03-21 | 1985-11-06 | Hitachi Metals Ltd | 永久磁石合金 |
| JPS60204862A (ja) * | 1984-03-28 | 1985-10-16 | Toshiba Corp | 希土類鉄系永久磁石合金 |
| JPS60160697U (ja) * | 1984-03-30 | 1985-10-25 | 住友特殊金属株式会社 | スピ−カ用磁気回路 |
| JPS60228652A (ja) * | 1984-04-24 | 1985-11-13 | Nippon Gakki Seizo Kk | 希土類磁石およびその製法 |
| JPS60242604A (ja) * | 1984-05-16 | 1985-12-02 | Shin Etsu Chem Co Ltd | プラスチツク磁石成形用組成物 |
| JPS60244004A (ja) * | 1984-05-18 | 1985-12-03 | Shin Etsu Chem Co Ltd | プラスチツク磁石組成物 |
| JPS6144155A (ja) * | 1984-08-09 | 1986-03-03 | Santoku Kinzoku Kogyo Kk | 永久磁石合金 |
| JPS6150310A (ja) * | 1984-08-11 | 1986-03-12 | Tohoku Metal Ind Ltd | 焼結型希土類磁石 |
| JPS6150309A (ja) * | 1984-08-11 | 1986-03-12 | Tohoku Metal Ind Ltd | 焼結型希土類磁石 |
| JPS6181606A (ja) * | 1984-09-04 | 1986-04-25 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
| JPS6181607A (ja) * | 1984-09-04 | 1986-04-25 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
| JPS6181603A (ja) * | 1984-09-04 | 1986-04-25 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
| US4684448A (en) * | 1984-10-03 | 1987-08-04 | Sumitomo Light Metal Industries, Ltd. | Process of producing neodymium-iron alloy |
| JPS6187825A (ja) * | 1984-10-05 | 1986-05-06 | Hitachi Metals Ltd | 永久磁石材料の製造方法 |
| JPS60187662A (ja) * | 1984-11-21 | 1985-09-25 | Sumitomo Special Metals Co Ltd | 強磁性合金 |
| 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 |
| JPH0682574B2 (ja) * | 1985-01-18 | 1994-10-19 | 住友特殊金属株式会社 | 耐食性のすぐれた永久磁石の製造方法 |
| JPS61166117A (ja) * | 1985-01-18 | 1986-07-26 | Sumitomo Special Metals Co Ltd | 耐食性のすぐれた永久磁石の製造方法 |
| JPS61166115A (ja) * | 1985-01-18 | 1986-07-26 | Sumitomo Special Metals Co Ltd | 耐食性のすぐれた永久磁石の製造方法 |
| USRE34838E (en) * | 1984-12-31 | 1995-01-31 | Tdk Corporation | Permanent magnet and method for producing same |
| JPH0630295B2 (ja) * | 1984-12-31 | 1994-04-20 | ティーディーケイ株式会社 | 永久磁石 |
| JPS61166945A (ja) * | 1985-01-16 | 1986-07-28 | Seiko Epson Corp | 希土類−鉄系永久磁石合金 |
| JPH0678582B2 (ja) * | 1985-03-26 | 1994-10-05 | 住友特殊金属株式会社 | 永久磁石材料 |
| JP2720027B2 (ja) * | 1985-04-19 | 1998-02-25 | 住友特殊金属株式会社 | 超低温用永久磁石材料 |
| JPS6233402A (ja) * | 1985-08-07 | 1987-02-13 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
| JPS6242403A (ja) * | 1985-08-19 | 1987-02-24 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
| JPS62120457A (ja) * | 1985-11-21 | 1987-06-01 | Tdk Corp | 永久磁石の製造方法 |
| 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 |
| JPS62151405U (zh) * | 1986-03-17 | 1987-09-25 | ||
| JP2530641B2 (ja) * | 1986-03-20 | 1996-09-04 | 日立金属株式会社 | 磁気異方性ボンド磁石、それに用いる磁粉及びその製造方法 |
| JPS62242316A (ja) * | 1986-04-15 | 1987-10-22 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
| US4881986A (en) * | 1986-11-26 | 1989-11-21 | Tokin Corporation | Method for producing a rare earth metal-iron-boron anisotropic sintered magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes |
| US4966661A (en) * | 1986-12-23 | 1990-10-30 | Showa Denko Kabushiki Kaisha | Process for preparation of neodymium or neodymium alloy |
| WO1993013247A1 (en) * | 1986-12-23 | 1993-07-08 | Hideo Tamamura | Process for producing neodymium or alloy thereof |
| US4983232A (en) | 1987-01-06 | 1991-01-08 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
| KR900006533B1 (ko) * | 1987-01-06 | 1990-09-07 | 히다찌 긴조꾸 가부시끼가이샤 | 이방성 자성분말과 이의 자석 및 이의 제조방법 |
| JPS63140605U (zh) * | 1987-03-05 | 1988-09-16 | ||
| JPH01103805A (ja) * | 1987-07-30 | 1989-04-20 | Tdk Corp | 永久磁石 |
| JPH0613654Y2 (ja) * | 1987-09-04 | 1994-04-13 | 三菱農機株式会社 | 作業車輌におけるレバー装置 |
| JPH0613655Y2 (ja) * | 1987-09-04 | 1994-04-13 | 三菱農機株式会社 | 作業車輌におけるレバー装置 |
| JPH07105301B2 (ja) * | 1987-09-10 | 1995-11-13 | 日立金属株式会社 | 磁気異方性Ｎｄ―Ｆｅ―Ｂ磁石材の製法 |
| JPS6472502A (en) * | 1987-09-11 | 1989-03-17 | Hitachi Metals Ltd | Permanent magnet for accelerating particle beam |
| JPH0257662A (ja) * | 1988-08-23 | 1990-02-27 | M G:Kk | ボンド磁石用急冷薄帯合金 |
| 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 |
| DE68925506T2 (de) * | 1988-10-04 | 1996-09-19 | Hitachi Metals Ltd | Gebundener R-Fe-B-Magnet und Verfahren zur Herstellung |
| JP2596835B2 (ja) * | 1989-08-04 | 1997-04-02 | 新日本製鐵株式会社 | 希土類系異方性粉末および希土類系異方性磁石 |
| US5147473A (en) * | 1989-08-25 | 1992-09-15 | Dowa Mining Co., Ltd. | Permanent magnet alloy having improved resistance to oxidation and process for production thereof |
| US5183630A (en) * | 1989-08-25 | 1993-02-02 | Dowa Mining Co., Ltd. | Process for production of permanent magnet alloy having improved resistence to oxidation |
| US5269855A (en) * | 1989-08-25 | 1993-12-14 | Dowa Mining Co., Ltd. | Permanent magnet alloy having improved resistance |
| US5314756A (en) * | 1991-11-27 | 1994-05-24 | Hitachi Metals, Ltd. | Permanent magnet of rare-earth-element/transition-metal system having improved corrosion resistance and manufacturing method thereof |
| JP3932143B2 (ja) * | 1992-02-21 | 2007-06-20 | Ｔｄｋ株式会社 | 磁石の製造方法 |
| 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 |
| US5486224A (en) * | 1993-12-28 | 1996-01-23 | Sumitomo Metal Industries, Ltd. | Powder mixture for use in compaction to produce rare earth iron sintered permanent magnets |
| JPH0821511B2 (ja) * | 1994-04-21 | 1996-03-04 | 住友特殊金属株式会社 | 耐食性のすぐれた永久磁石の製造方法 |
| US5666635A (en) | 1994-10-07 | 1997-09-09 | Sumitomo Special Metals Co., Ltd. | Fabrication methods for R-Fe-B permanent magnets |
| WO2001091139A1 (en) | 2000-05-24 | 2001-11-29 | Sumitomo Special Metals Co., Ltd. | Permanent magnet including multiple ferromagnetic phases and method for producing the magnet |
| AU2001288123A1 (en) | 2000-10-06 | 2002-04-22 | Santoku Corporation | Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet |
| US7217328B2 (en) | 2000-11-13 | 2007-05-15 | Neomax Co., Ltd. | Compound for rare-earth bonded magnet and bonded magnet using the compound |
| US6790296B2 (en) | 2000-11-13 | 2004-09-14 | Neomax Co., Ltd. | Nanocomposite magnet and method for producing same |
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| JPH0648670U (ja) * | 1992-11-04 | 1994-07-05 | 張 仁 洙 | 哺乳瓶用保温器 |
| EP0784328A1 (en) | 1996-01-10 | 1997-07-16 | Kawasaki Teitoku Co., Ltd. | Method of preparing raw material powder for permanent magnets superior in moldability |
| US7090730B2 (en) | 2002-11-14 | 2006-08-15 | Shin-Etsu Chemical Co., Ltd. | R-Fe-B sintered magnet |
| 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 |
| US9551052B2 (en) | 2005-07-15 | 2017-01-24 | Hitachi Metals, Ltd. | Rare earth sintered magnet and method for production thereof |
| WO2016047593A1 (ja) | 2014-09-28 | 2016-03-31 | Ｎｄｆｅｂ株式会社 | 希土類焼結磁石の製造方法及び当該製法にて使用される製造装置 |
| US10629345B2 (en) | 2014-09-28 | 2020-04-21 | Ndfeb Corporation | Production method of rare earth sintered magnet and production device used in the production method |
| WO2022163407A1 (ja) | 2021-01-26 | 2022-08-04 | Ｎｄｆｅｂ株式会社 | Ｎｄ－Ｆｅ－Ｂ積層焼結磁石およびその製造方法 |
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| Publication number | Publication date |
|---|---|
| JPS5946008A (ja) | 1984-03-15 |
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