JPS6370502A - 希土類磁石の製造方法 - Google Patents
希土類磁石の製造方法Info
- Publication number
- JPS6370502A JPS6370502A JP61214156A JP21415686A JPS6370502A JP S6370502 A JPS6370502 A JP S6370502A JP 61214156 A JP61214156 A JP 61214156A JP 21415686 A JP21415686 A JP 21415686A JP S6370502 A JPS6370502 A JP S6370502A
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- alloy
- temperature
- molten metal
- sustained
- 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
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 150000002910 rare earth metals Chemical class 0.000 title claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 27
- 239000000956 alloy Substances 0.000 claims abstract description 27
- 238000011282 treatment Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000004381 surface treatment Methods 0.000 claims abstract description 12
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 4
- 229910052796 boron Inorganic materials 0.000 claims abstract description 4
- 229910052692 Dysprosium Inorganic materials 0.000 claims abstract description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims abstract description 3
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 3
- 150000003624 transition metals Chemical class 0.000 claims abstract description 3
- 229910052689 Holmium Inorganic materials 0.000 claims abstract 2
- 229910052771 Terbium Inorganic materials 0.000 claims abstract 2
- 229910052804 chromium Inorganic materials 0.000 claims abstract 2
- 229910052748 manganese Inorganic materials 0.000 claims abstract 2
- 229910052759 nickel Inorganic materials 0.000 claims abstract 2
- 230000032683 aging Effects 0.000 claims description 23
- 238000004663 powder metallurgy Methods 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 2
- 229910052688 Gadolinium Inorganic materials 0.000 claims 1
- 229910052727 yttrium Inorganic materials 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 abstract description 23
- 239000012298 atmosphere Substances 0.000 abstract description 12
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 239000011261 inert gas Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 238000013268 sustained release Methods 0.000 abstract 3
- 239000012730 sustained-release form Substances 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005245 sintering Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 229910001172 neodymium magnet Inorganic materials 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 239000012300 argon atmosphere Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910007570 Zn-Al Inorganic materials 0.000 description 1
- 229910007565 Zn—Cu Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000007740 vapor deposition Methods 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
- H01F41/026—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 protecting methods against environmental influences, e.g. oxygen, by surface treatment
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61214156A JPS6370502A (ja) | 1986-09-12 | 1986-09-12 | 希土類磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61214156A JPS6370502A (ja) | 1986-09-12 | 1986-09-12 | 希土類磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6370502A true JPS6370502A (ja) | 1988-03-30 |
| JPH0439207B2 JPH0439207B2 (enrdf_load_stackoverflow) | 1992-06-26 |
Family
ID=16651153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61214156A Granted JPS6370502A (ja) | 1986-09-12 | 1986-09-12 | 希土類磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6370502A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011211071A (ja) * | 2010-03-30 | 2011-10-20 | Tdk Corp | 焼結磁石、モーター、自動車、及び焼結磁石の製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5571572U (enrdf_load_stackoverflow) * | 1978-11-09 | 1980-05-16 | ||
| JPS5571571U (enrdf_load_stackoverflow) * | 1978-11-09 | 1980-05-16 |
-
1986
- 1986-09-12 JP JP61214156A patent/JPS6370502A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5571572U (enrdf_load_stackoverflow) * | 1978-11-09 | 1980-05-16 | ||
| JPS5571571U (enrdf_load_stackoverflow) * | 1978-11-09 | 1980-05-16 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011211071A (ja) * | 2010-03-30 | 2011-10-20 | Tdk Corp | 焼結磁石、モーター、自動車、及び焼結磁石の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0439207B2 (enrdf_load_stackoverflow) | 1992-06-26 |
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