JPS5848605A - 希土類永久磁石の製造方法 - Google Patents
希土類永久磁石の製造方法Info
- Publication number
- JPS5848605A JPS5848605A JP56147441A JP14744181A JPS5848605A JP S5848605 A JPS5848605 A JP S5848605A JP 56147441 A JP56147441 A JP 56147441A JP 14744181 A JP14744181 A JP 14744181A JP S5848605 A JPS5848605 A JP S5848605A
- Authority
- JP
- Japan
- Prior art keywords
- rare earth
- magnet
- powder
- moldings
- permanent magnet
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 19
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 14
- 238000011282 treatment Methods 0.000 claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 11
- 239000000956 alloy Substances 0.000 claims abstract description 11
- 238000005245 sintering Methods 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000000748 compression moulding Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000004663 powder metallurgy Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 7
- 238000000465 moulding Methods 0.000 abstract description 6
- 239000012298 atmosphere Substances 0.000 abstract description 4
- 229910052727 yttrium Inorganic materials 0.000 abstract description 4
- 229910002549 Fe–Cu Inorganic materials 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000004907 flux Effects 0.000 abstract description 2
- 229910052723 transition metal Inorganic materials 0.000 abstract description 2
- 150000003624 transition metals Chemical class 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 230000003381 solubilizing effect Effects 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001330 spinodal decomposition reaction Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000002747 voluntary effect Effects 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
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 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 |
|---|---|---|---|
| JP56147441A JPS5848605A (ja) | 1981-09-18 | 1981-09-18 | 希土類永久磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56147441A JPS5848605A (ja) | 1981-09-18 | 1981-09-18 | 希土類永久磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5848605A true JPS5848605A (ja) | 1983-03-22 |
| JPS6142770B2 JPS6142770B2 (enrdf_load_stackoverflow) | 1986-09-24 |
Family
ID=15430403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56147441A Granted JPS5848605A (ja) | 1981-09-18 | 1981-09-18 | 希土類永久磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5848605A (enrdf_load_stackoverflow) |
-
1981
- 1981-09-18 JP JP56147441A patent/JPS5848605A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6142770B2 (enrdf_load_stackoverflow) | 1986-09-24 |
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