JPH0345884B2 - - Google Patents
Info
- Publication number
- JPH0345884B2 JPH0345884B2 JP59183759A JP18375984A JPH0345884B2 JP H0345884 B2 JPH0345884 B2 JP H0345884B2 JP 59183759 A JP59183759 A JP 59183759A JP 18375984 A JP18375984 A JP 18375984A JP H0345884 B2 JPH0345884 B2 JP H0345884B2
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- magnet
- powder
- sintering
- 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.)
- Expired - Lifetime
Links
- 229910052742 iron Inorganic materials 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 18
- 229910052796 boron Inorganic materials 0.000 claims description 17
- 229910045601 alloy Inorganic materials 0.000 claims description 15
- 239000000956 alloy Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000005245 sintering Methods 0.000 claims description 8
- 229910052779 Neodymium Inorganic materials 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- 229910052746 lanthanum Inorganic materials 0.000 claims description 5
- 229910001004 magnetic alloy Inorganic materials 0.000 claims description 4
- 238000004663 powder metallurgy Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 30
- 239000000203 mixture Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 229910000521 B alloy Inorganic materials 0.000 description 3
- 229910000858 La alloy Inorganic materials 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910000583 Nd alloy Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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 |
|---|---|---|---|
| JP59183759A JPS6181605A (ja) | 1984-09-04 | 1984-09-04 | 希土類磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59183759A JPS6181605A (ja) | 1984-09-04 | 1984-09-04 | 希土類磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6181605A JPS6181605A (ja) | 1986-04-25 |
| JPH0345884B2 true JPH0345884B2 (ko) | 1991-07-12 |
Family
ID=16141476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59183759A Granted JPS6181605A (ja) | 1984-09-04 | 1984-09-04 | 希土類磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6181605A (ko) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6187825A (ja) * | 1984-10-05 | 1986-05-06 | Hitachi Metals Ltd | 永久磁石材料の製造方法 |
| JPS6231102A (ja) * | 1985-08-01 | 1987-02-10 | Hitachi Metals Ltd | 焼結体永久磁石 |
| US5015306A (en) * | 1987-05-11 | 1991-05-14 | Union Oil Company Of California | Method for preparing rare earth-iron-boron sintered magnets |
| US5015304A (en) * | 1987-05-11 | 1991-05-14 | Union Oil Company Of California | Rare earth-iron-boron sintered magnets |
| US4981513A (en) * | 1987-05-11 | 1991-01-01 | Union Oil Company Of California | Mixed particulate composition for preparing rare earth-iron-boron sintered magnets |
| JPH07106110A (ja) * | 1993-10-06 | 1995-04-21 | Yasunori Takahashi | ボンド磁石製造用粉末組成物、磁気異方性永久磁石及び磁気異方性永久磁石の製造法 |
| CN103714939B (zh) * | 2013-12-13 | 2016-05-25 | 钢铁研究总院 | La-Fe基双硬磁主相磁体及其制备方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59132104A (ja) * | 1983-01-19 | 1984-07-30 | Sumitomo Special Metals Co Ltd | 永久磁石 |
-
1984
- 1984-09-04 JP JP59183759A patent/JPS6181605A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59132104A (ja) * | 1983-01-19 | 1984-07-30 | Sumitomo Special Metals Co Ltd | 永久磁石 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6181605A (ja) | 1986-04-25 |
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