JPS6248744B2 - - Google Patents
Info
- Publication number
- JPS6248744B2 JPS6248744B2 JP58051109A JP5110983A JPS6248744B2 JP S6248744 B2 JPS6248744 B2 JP S6248744B2 JP 58051109 A JP58051109 A JP 58051109A JP 5110983 A JP5110983 A JP 5110983A JP S6248744 B2 JPS6248744 B2 JP S6248744B2
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- rare earth
- magnet
- less
- impurities
- 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
- 239000000956 alloy Substances 0.000 claims description 80
- 229910045601 alloy Inorganic materials 0.000 claims description 77
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 46
- 150000002910 rare earth metals Chemical class 0.000 claims description 37
- 229910052796 boron Inorganic materials 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 44
- 239000012535 impurity Substances 0.000 description 27
- 229910052742 iron Inorganic materials 0.000 description 25
- 238000002844 melting Methods 0.000 description 22
- 230000008018 melting Effects 0.000 description 22
- 239000000843 powder Substances 0.000 description 18
- 239000000203 mixture Substances 0.000 description 16
- 230000004907 flux Effects 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 11
- 238000005245 sintering Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000007858 starting material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 229910052779 Neodymium Inorganic materials 0.000 description 7
- 229910001172 neodymium magnet Inorganic materials 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910004261 CaF 2 Inorganic materials 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical group [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 238000007792 addition Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910001047 Hard ferrite Inorganic materials 0.000 description 3
- 229910017493 Nd 2 O 3 Inorganic materials 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910001004 magnetic alloy Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910017557 NdF3 Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 229910000828 alnico Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 description 1
- 229910001632 barium fluoride Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 rare earth fluoride Chemical class 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XRADHEAKQRNYQQ-UHFFFAOYSA-K trifluoroneodymium Chemical compound F[Nd](F)F XRADHEAKQRNYQQ-UHFFFAOYSA-K 0.000 description 1
Landscapes
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58051109A JPS59177346A (ja) | 1983-03-25 | 1983-03-25 | 希土類磁石素材用配合合金 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58051109A JPS59177346A (ja) | 1983-03-25 | 1983-03-25 | 希土類磁石素材用配合合金 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21674486A Division JPS6263642A (ja) | 1986-09-12 | 1986-09-12 | 磁石素材用希土類合金及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59177346A JPS59177346A (ja) | 1984-10-08 |
| JPS6248744B2 true JPS6248744B2 (de) | 1987-10-15 |
Family
ID=12877633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58051109A Granted JPS59177346A (ja) | 1983-03-25 | 1983-03-25 | 希土類磁石素材用配合合金 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59177346A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1236381A (en) * | 1983-08-04 | 1988-05-10 | Robert W. Lee | Iron-rare earth-boron permanent magnets by hot working |
| ATE36560T1 (de) * | 1984-07-03 | 1988-09-15 | Gen Motors Corp | Metallothermische reduktion seltener erdoxide mittels kalzium. |
| US4767450A (en) * | 1984-11-27 | 1988-08-30 | Sumitomo Special Metals Co., Ltd. | Process for producing the rare earth alloy powders |
| JP2513994B2 (ja) * | 1985-09-17 | 1996-07-10 | ティーディーケイ株式会社 | 永久磁石 |
| US4769063A (en) * | 1986-03-06 | 1988-09-06 | Sumitomo Special Metals Co., Ltd. | Method for producing rare earth alloy |
| JPS636808A (ja) * | 1986-06-26 | 1988-01-12 | Shin Etsu Chem Co Ltd | 希土類永久磁石 |
| US4837109A (en) * | 1986-07-21 | 1989-06-06 | Hitachi Metals, Ltd. | Method of producing neodymium-iron-boron permanent magnet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57210934A (en) * | 1981-06-16 | 1982-12-24 | Gen Motors Corp | Highly magnetic rare earth-transition metal magnet |
-
1983
- 1983-03-25 JP JP58051109A patent/JPS59177346A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57210934A (en) * | 1981-06-16 | 1982-12-24 | Gen Motors Corp | Highly magnetic rare earth-transition metal magnet |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59177346A (ja) | 1984-10-08 |
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