JPS617608A - 永久磁石の製造方法 - Google Patents
永久磁石の製造方法Info
- Publication number
- JPS617608A JPS617608A JP59127288A JP12728884A JPS617608A JP S617608 A JPS617608 A JP S617608A JP 59127288 A JP59127288 A JP 59127288A JP 12728884 A JP12728884 A JP 12728884A JP S617608 A JPS617608 A JP S617608A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- solution treatment
- sintering
- liquid phase
- powder
- 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 9
- 238000005245 sintering Methods 0.000 claims abstract description 20
- 239000007791 liquid phase Substances 0.000 claims abstract description 16
- 239000000843 powder Substances 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
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 5
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 5
- 150000003624 transition metals Chemical group 0.000 claims abstract description 5
- 230000032683 aging Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 238000004663 powder metallurgy Methods 0.000 abstract description 5
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 229910001004 magnetic alloy Inorganic materials 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910004269 CaCu5 Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 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)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59127288A JPS617608A (ja) | 1984-06-22 | 1984-06-22 | 永久磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59127288A JPS617608A (ja) | 1984-06-22 | 1984-06-22 | 永久磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS617608A true JPS617608A (ja) | 1986-01-14 |
| JPH0444404B2 JPH0444404B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-07-21 |
Family
ID=14956258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59127288A Granted JPS617608A (ja) | 1984-06-22 | 1984-06-22 | 永久磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS617608A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015140832A1 (ja) * | 2014-03-19 | 2015-09-24 | 株式会社 東芝 | 永久磁石、モータ、および発電機 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52143917A (en) * | 1976-05-26 | 1977-11-30 | Hitachi Metals Ltd | Permanent magnetic material and making method of it |
| JPS58136757A (ja) * | 1982-02-05 | 1983-08-13 | Namiki Precision Jewel Co Ltd | 永久磁石合金の製造方法 |
-
1984
- 1984-06-22 JP JP59127288A patent/JPS617608A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52143917A (en) * | 1976-05-26 | 1977-11-30 | Hitachi Metals Ltd | Permanent magnetic material and making method of it |
| JPS58136757A (ja) * | 1982-02-05 | 1983-08-13 | Namiki Precision Jewel Co Ltd | 永久磁石合金の製造方法 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015140832A1 (ja) * | 2014-03-19 | 2015-09-24 | 株式会社 東芝 | 永久磁石、モータ、および発電機 |
| CN105264621A (zh) * | 2014-03-19 | 2016-01-20 | 株式会社东芝 | 永磁体、电动机及发电机 |
| JPWO2015140832A1 (ja) * | 2014-03-19 | 2017-04-06 | 株式会社東芝 | 永久磁石、モータ、発電機、車、および永久磁石の製造方法 |
| US10650947B2 (en) | 2014-03-19 | 2020-05-12 | Kabushiki Kaisha Toshiba | Permanent magnet, motor, and generator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0444404B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-07-21 |