JPS61195964A - 永久磁石合金の防錆方法 - Google Patents
永久磁石合金の防錆方法Info
- Publication number
- JPS61195964A JPS61195964A JP3809085A JP3809085A JPS61195964A JP S61195964 A JPS61195964 A JP S61195964A JP 3809085 A JP3809085 A JP 3809085A JP 3809085 A JP3809085 A JP 3809085A JP S61195964 A JPS61195964 A JP S61195964A
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- mainly composed
- rare earth
- rust
- partial pressure
- 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
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 9
- 229910045601 alloy Inorganic materials 0.000 title claims description 5
- 239000000956 alloy Substances 0.000 title claims description 5
- 230000002265 prevention Effects 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 229910052752 metalloid Inorganic materials 0.000 claims abstract description 5
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 4
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 4
- 150000003624 transition metals Chemical class 0.000 claims abstract 3
- 239000000463 material Substances 0.000 claims description 5
- 230000003064 anti-oxidating effect Effects 0.000 claims description 3
- 229910001004 magnetic alloy Inorganic materials 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 239000003963 antioxidant agent Substances 0.000 abstract description 3
- 230000003078 antioxidant effect Effects 0.000 abstract description 3
- 229910052684 Cerium Inorganic materials 0.000 abstract description 2
- 229910052779 Neodymium Inorganic materials 0.000 abstract description 2
- 229910052777 Praseodymium Inorganic materials 0.000 abstract description 2
- 229910052692 Dysprosium Inorganic materials 0.000 abstract 1
- 150000002738 metalloids Chemical group 0.000 abstract 1
- 239000010408 film Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910017086 Fe-M Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- -1 rare earth transition metal Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Manufacturing Cores, Coils, And Magnets (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3809085A JPS61195964A (ja) | 1985-02-27 | 1985-02-27 | 永久磁石合金の防錆方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3809085A JPS61195964A (ja) | 1985-02-27 | 1985-02-27 | 永久磁石合金の防錆方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61195964A true JPS61195964A (ja) | 1986-08-30 |
| JPS6254868B2 JPS6254868B2 (enrdf_load_stackoverflow) | 1987-11-17 |
Family
ID=12515775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3809085A Granted JPS61195964A (ja) | 1985-02-27 | 1985-02-27 | 永久磁石合金の防錆方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61195964A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6388404A (ja) * | 1986-10-01 | 1988-04-19 | Honda Motor Co Ltd | 表面処理された回転速度検出用鉄系焼結合金製回転体 |
| JPH05171139A (ja) * | 1991-12-19 | 1993-07-09 | Toshiba Corp | 蓄冷材料 |
| US6623541B2 (en) * | 2000-07-31 | 2003-09-23 | Shin-Etsu Chemical Co., Ltd. | Sintered rare earth magnet and making method |
| US6746545B2 (en) * | 2000-05-31 | 2004-06-08 | Shin-Etsu Chemical Co., Ltd. | Preparation of rare earth permanent magnets |
| JP2010273426A (ja) * | 2009-05-20 | 2010-12-02 | Toshiba Corp | 永久磁石モータ |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7198075B2 (ja) * | 2018-12-21 | 2022-12-28 | 株式会社ダイドー電子 | ＲＦｅＢ系焼結磁石及びその製造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59217304A (ja) * | 1983-05-25 | 1984-12-07 | Sumitomo Special Metals Co Ltd | 永久磁石材料の製造方法 |
-
1985
- 1985-02-27 JP JP3809085A patent/JPS61195964A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59217304A (ja) * | 1983-05-25 | 1984-12-07 | Sumitomo Special Metals Co Ltd | 永久磁石材料の製造方法 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6388404A (ja) * | 1986-10-01 | 1988-04-19 | Honda Motor Co Ltd | 表面処理された回転速度検出用鉄系焼結合金製回転体 |
| JPH05171139A (ja) * | 1991-12-19 | 1993-07-09 | Toshiba Corp | 蓄冷材料 |
| US6746545B2 (en) * | 2000-05-31 | 2004-06-08 | Shin-Etsu Chemical Co., Ltd. | Preparation of rare earth permanent magnets |
| US6623541B2 (en) * | 2000-07-31 | 2003-09-23 | Shin-Etsu Chemical Co., Ltd. | Sintered rare earth magnet and making method |
| JP2010273426A (ja) * | 2009-05-20 | 2010-12-02 | Toshiba Corp | 永久磁石モータ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6254868B2 (enrdf_load_stackoverflow) | 1987-11-17 |
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