JPH0445573B2 - - Google Patents
Info
- Publication number
- JPH0445573B2 JPH0445573B2 JP59259761A JP25976184A JPH0445573B2 JP H0445573 B2 JPH0445573 B2 JP H0445573B2 JP 59259761 A JP59259761 A JP 59259761A JP 25976184 A JP25976184 A JP 25976184A JP H0445573 B2 JPH0445573 B2 JP H0445573B2
- Authority
- JP
- Japan
- Prior art keywords
- atomic
- permanent magnet
- less
- atom
- 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 33
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000001513 hot isostatic pressing Methods 0.000 claims description 14
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 3
- 230000032683 aging Effects 0.000 description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 230000004907 flux Effects 0.000 description 8
- 150000002910 rare earth metals Chemical class 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000010941 cobalt Substances 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 229910001047 Hard ferrite Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical group [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 229910000828 alnico Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 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
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- JZQOJFLIJNRDHK-CMDGGOBGSA-N alpha-irone Chemical compound CC1CC=C(C)C(\C=C\C(C)=O)C1(C)C JZQOJFLIJNRDHK-CMDGGOBGSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium 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
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59259761A JPS61136656A (ja) | 1984-12-07 | 1984-12-07 | 高性能焼結永久磁石材料の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59259761A JPS61136656A (ja) | 1984-12-07 | 1984-12-07 | 高性能焼結永久磁石材料の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61136656A JPS61136656A (ja) | 1986-06-24 |
JPH0445573B2 true JPH0445573B2 (de) | 1992-07-27 |
Family
ID=17338590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59259761A Granted JPS61136656A (ja) | 1984-12-07 | 1984-12-07 | 高性能焼結永久磁石材料の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61136656A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2013115325A1 (ja) * | 2012-02-03 | 2015-05-11 | 日産自動車株式会社 | 焼結磁石の製造方法および製造装置 |
JP2015113525A (ja) * | 2013-12-11 | 2015-06-22 | ▲煙▼台正海磁性材料股▲ふん▼有限公司 | 高保磁力磁石の調製方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6242404A (ja) * | 1985-08-20 | 1987-02-24 | Toshiba Corp | 希土類鉄系永久磁石の製造方法 |
JPS6350444A (ja) * | 1986-08-20 | 1988-03-03 | Mitsubishi Metal Corp | Nd−Fe−B系焼結合金磁石の製造法 |
EP0277416A3 (de) * | 1987-02-04 | 1990-05-16 | Crucible Materials Corporation | Permanente Magnetlegierung für Anwendungen bei höherer Temperatur |
JPS6448405A (en) * | 1987-08-19 | 1989-02-22 | Mitsubishi Metal Corp | Manufacture of rare earth-iron-boron magnet |
-
1984
- 1984-12-07 JP JP59259761A patent/JPS61136656A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2013115325A1 (ja) * | 2012-02-03 | 2015-05-11 | 日産自動車株式会社 | 焼結磁石の製造方法および製造装置 |
JP2015113525A (ja) * | 2013-12-11 | 2015-06-22 | ▲煙▼台正海磁性材料股▲ふん▼有限公司 | 高保磁力磁石の調製方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS61136656A (ja) | 1986-06-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0374012B2 (de) | ||
JPH0319296B2 (de) | ||
JPH03236202A (ja) | 焼結永久磁石 | |
JPH0316761B2 (de) | ||
JPH0518895B2 (de) | ||
JPH01219143A (ja) | 焼結永久磁石材料とその製造方法 | |
JP2791659B2 (ja) | 耐食性永久磁石の製造方法 | |
JPH0616445B2 (ja) | 永久磁石材料及びその製造方法 | |
JPH0445573B2 (de) | ||
JP2610798B2 (ja) | 永久磁石材料 | |
JPH0422008B2 (de) | ||
JPH061726B2 (ja) | 永久磁石材料の製造方法 | |
KR100204344B1 (ko) | 자기적 이방성 및 내식성이 우수한 희토류-철-코발트-붕소계 영구자석분말 및 접합자석 | |
JPH045739B2 (de) | ||
JPH0475303B2 (de) | ||
JPH0422006B2 (de) | ||
JP2720039B2 (ja) | 耐食性のすぐれた希土類磁石材料 | |
JPH04247604A (ja) | 希土類−Fe−Co−B系異方性磁石 | |
JPH0536494B2 (de) | ||
JP3736830B2 (ja) | 角形性および熱的安定性に優れた希土類−Fe−Co−B系磁石粉末およびボンド磁石 | |
JPH0633444B2 (ja) | 永久磁石合金 | |
JPH04214804A (ja) | 希土類・鉄・ボロン系永久磁石用合金粉末の成型方法 | |
JPH0346963B2 (de) | ||
JPH04246803A (ja) | 希土類−Fe−B系異方性磁石 | |
JPH0477066B2 (de) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
EXPY | Cancellation because of completion of term |