JPH0122970B2 - - Google Patents
Info
- Publication number
- JPH0122970B2 JPH0122970B2 JP57071949A JP7194982A JPH0122970B2 JP H0122970 B2 JPH0122970 B2 JP H0122970B2 JP 57071949 A JP57071949 A JP 57071949A JP 7194982 A JP7194982 A JP 7194982A JP H0122970 B2 JPH0122970 B2 JP H0122970B2
- Authority
- JP
- Japan
- Prior art keywords
- solution treatment
- sintering
- hours
- ingot
- 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.)
- Expired
Links
- 238000011282 treatment Methods 0.000 claims description 62
- 238000005245 sintering Methods 0.000 claims description 40
- 239000000956 alloy Substances 0.000 claims description 25
- 229910045601 alloy Inorganic materials 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 20
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 12
- 239000012298 atmosphere Substances 0.000 claims description 10
- 150000002910 rare earth metals Chemical class 0.000 claims description 9
- 229910017052 cobalt Inorganic materials 0.000 claims description 7
- 239000010941 cobalt Substances 0.000 claims description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- 229910052772 Samarium Inorganic materials 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- 239000013078 crystal Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 239000012300 argon atmosphere Substances 0.000 description 10
- 238000005266 casting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 238000002844 melting Methods 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229910004247 CaCu Inorganic materials 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57071949A JPS58188104A (ja) | 1982-04-27 | 1982-04-27 | 希土類コバルト系永久磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57071949A JPS58188104A (ja) | 1982-04-27 | 1982-04-27 | 希土類コバルト系永久磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58188104A JPS58188104A (ja) | 1983-11-02 |
| JPH0122970B2 true JPH0122970B2 (enrdf_load_stackoverflow) | 1989-04-28 |
Family
ID=13475240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57071949A Granted JPS58188104A (ja) | 1982-04-27 | 1982-04-27 | 希土類コバルト系永久磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58188104A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10943716B2 (en) | 2015-09-15 | 2021-03-09 | Kabushiki Kaisha Toshiba | Permanent magnet and rotary electrical machine |
| JP2021125678A (ja) * | 2020-01-31 | 2021-08-30 | 株式会社トーキン | 希土類コバルト永久磁石及びその製造方法、並びにデバイス |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4574820B2 (ja) * | 2000-09-08 | 2010-11-04 | 株式会社三徳 | 希土類ボンド磁石用磁石粉末の製造方法 |
| JP4680357B2 (ja) * | 2000-09-08 | 2011-05-11 | 株式会社三徳 | 希土類永久磁石の製造方法 |
-
1982
- 1982-04-27 JP JP57071949A patent/JPS58188104A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10943716B2 (en) | 2015-09-15 | 2021-03-09 | Kabushiki Kaisha Toshiba | Permanent magnet and rotary electrical machine |
| JP2021125678A (ja) * | 2020-01-31 | 2021-08-30 | 株式会社トーキン | 希土類コバルト永久磁石及びその製造方法、並びにデバイス |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58188104A (ja) | 1983-11-02 |