JPS61136656A - 高性能焼結永久磁石材料の製造方法 - Google Patents
高性能焼結永久磁石材料の製造方法Info
- Publication number
- JPS61136656A JPS61136656A JP59259761A JP25976184A JPS61136656A JP S61136656 A JPS61136656 A JP S61136656A JP 59259761 A JP59259761 A JP 59259761A JP 25976184 A JP25976184 A JP 25976184A JP S61136656 A JPS61136656 A JP S61136656A
- Authority
- JP
- Japan
- Prior art keywords
- sintered body
- permanent magnet
- density
- atomic
- sintered
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 22
- 239000000956 alloy Substances 0.000 claims abstract description 22
- 230000032683 aging Effects 0.000 claims abstract description 21
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 16
- 238000005245 sintering Methods 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 239000011261 inert gas Substances 0.000 claims abstract description 3
- 238000001513 hot isostatic pressing Methods 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 230000002706 hydrostatic effect Effects 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 230000004907 flux Effects 0.000 description 7
- 150000002910 rare earth metals Chemical class 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 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
- 239000000203 mixture Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000007423 decrease Effects 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
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910000828 alnico Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000010949 copper Substances 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
- 229910052751 metal Inorganic materials 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052779 Neodymium 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
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement 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
- 238000000462 isostatic pressing Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
- 229910052727 yttrium 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 true JPS61136656A (ja) | 1986-06-24 |
JPH0445573B2 JPH0445573B2 (enrdf_load_html_response) | 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 (enrdf_load_html_response) |
Cited By (5)
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 |
JPS63195246A (ja) * | 1987-02-04 | 1988-08-12 | クルーシブル マテリアルス コーポレイシヨン | 高温度適用永久磁石合金 |
JPS6448405A (en) * | 1987-08-19 | 1989-02-22 | Mitsubishi Metal Corp | Manufacture of rare earth-iron-boron magnet |
WO2013115325A1 (ja) * | 2012-02-03 | 2013-08-08 | 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 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103680918B (zh) * | 2013-12-11 | 2016-08-17 | 烟台正海磁性材料股份有限公司 | 一种制备高矫顽力磁体的方法 |
-
1984
- 1984-12-07 JP JP59259761A patent/JPS61136656A/ja active Granted
Cited By (5)
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 |
JPS63195246A (ja) * | 1987-02-04 | 1988-08-12 | クルーシブル マテリアルス コーポレイシヨン | 高温度適用永久磁石合金 |
JPS6448405A (en) * | 1987-08-19 | 1989-02-22 | Mitsubishi Metal Corp | Manufacture of rare earth-iron-boron magnet |
WO2013115325A1 (ja) * | 2012-02-03 | 2013-08-08 | 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 |
Also Published As
Publication number | Publication date |
---|---|
JPH0445573B2 (enrdf_load_html_response) | 1992-07-27 |
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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 |