JPS61111514A - 永久磁石の製造方法 - Google Patents
永久磁石の製造方法Info
- Publication number
- JPS61111514A JPS61111514A JP59233684A JP23368484A JPS61111514A JP S61111514 A JPS61111514 A JP S61111514A JP 59233684 A JP59233684 A JP 59233684A JP 23368484 A JP23368484 A JP 23368484A JP S61111514 A JPS61111514 A JP S61111514A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- cylindrical
- permanent magnet
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 24
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 38
- 238000000465 moulding Methods 0.000 claims abstract description 24
- 238000005245 sintering Methods 0.000 claims abstract description 21
- 239000000956 alloy Substances 0.000 claims abstract description 20
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 17
- 230000007547 defect Effects 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 6
- -1 V) of 8-30 atomic % Inorganic materials 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000000470 constituent Substances 0.000 abstract 2
- 150000002910 rare earth metals Chemical class 0.000 description 22
- 239000000203 mixture Substances 0.000 description 15
- 229910017052 cobalt Inorganic materials 0.000 description 13
- 239000010941 cobalt Substances 0.000 description 13
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000004575 stone Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052777 Praseodymium Inorganic materials 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 229910052688 Gadolinium Inorganic materials 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- 229910052772 Samarium Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 229910052727 yttrium Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- JZQOJFLIJNRDHK-CMDGGOBGSA-N alpha-irone Chemical compound CC1CC=C(C)C(\C=C\C(C)=O)C1(C)C JZQOJFLIJNRDHK-CMDGGOBGSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 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
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59233684A JPS61111514A (ja) | 1984-11-06 | 1984-11-06 | 永久磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59233684A JPS61111514A (ja) | 1984-11-06 | 1984-11-06 | 永久磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61111514A true JPS61111514A (ja) | 1986-05-29 |
| JPH0578166B2 JPH0578166B2 (https=) | 1993-10-28 |
Family
ID=16958917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59233684A Granted JPS61111514A (ja) | 1984-11-06 | 1984-11-06 | 永久磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61111514A (https=) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6380162A (ja) * | 1986-09-19 | 1988-04-11 | Matsushita Electric Ind Co Ltd | 浴槽水用フイルタ− |
| US5178691A (en) * | 1990-05-29 | 1993-01-12 | Matsushita Electric Industrial Co., Ltd. | Process for producing a rare earth element-iron anisotropic magnet |
| JP2025512635A (ja) * | 2023-03-09 | 2025-04-22 | 中国科学院寧波材料技術與工程研究所 | 希土類永久磁石材料の製造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55145322A (en) * | 1979-05-01 | 1980-11-12 | Tdk Corp | Manufacturing method of magnet with radial pole indication |
-
1984
- 1984-11-06 JP JP59233684A patent/JPS61111514A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55145322A (en) * | 1979-05-01 | 1980-11-12 | Tdk Corp | Manufacturing method of magnet with radial pole indication |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6380162A (ja) * | 1986-09-19 | 1988-04-11 | Matsushita Electric Ind Co Ltd | 浴槽水用フイルタ− |
| US5178691A (en) * | 1990-05-29 | 1993-01-12 | Matsushita Electric Industrial Co., Ltd. | Process for producing a rare earth element-iron anisotropic magnet |
| JP2025512635A (ja) * | 2023-03-09 | 2025-04-22 | 中国科学院寧波材料技術與工程研究所 | 希土類永久磁石材料の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0578166B2 (https=) | 1993-10-28 |
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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 |
|
| LAPS | Cancellation because of no payment of annual fees |