JPS5867801A - 希土類コバルト系永久磁石の製造方法 - Google Patents
希土類コバルト系永久磁石の製造方法Info
- Publication number
- JPS5867801A JPS5867801A JP56166040A JP16604081A JPS5867801A JP S5867801 A JPS5867801 A JP S5867801A JP 56166040 A JP56166040 A JP 56166040A JP 16604081 A JP16604081 A JP 16604081A JP S5867801 A JPS5867801 A JP S5867801A
- Authority
- JP
- Japan
- Prior art keywords
- molded body
- rare earth
- permanent magnet
- torr
- atmosphere
- 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 21
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 21
- 229910017052 cobalt Inorganic materials 0.000 title claims abstract description 19
- 239000010941 cobalt Substances 0.000 title claims abstract description 19
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 239000012298 atmosphere Substances 0.000 claims abstract description 36
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 22
- 239000000956 alloy Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 38
- 238000005245 sintering Methods 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 20
- 229910052786 argon Inorganic materials 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000007872 degassing Methods 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000012300 argon atmosphere Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- OBLMUVZPDITTKB-UHFFFAOYSA-N [Fe].[Co].[Cu] Chemical compound [Fe].[Co].[Cu] OBLMUVZPDITTKB-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- RYTYSMSQNNBZDP-UHFFFAOYSA-N cobalt copper Chemical compound [Co].[Cu] RYTYSMSQNNBZDP-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- ZHDZZQCPMPRKFO-UHFFFAOYSA-N [Fe].[Ni].[Cu].[Co] Chemical compound [Fe].[Ni].[Cu].[Co] ZHDZZQCPMPRKFO-UHFFFAOYSA-N 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
- C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56166040A JPS5867801A (ja) | 1981-10-16 | 1981-10-16 | 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 |
|---|---|---|---|
| JP56166040A JPS5867801A (ja) | 1981-10-16 | 1981-10-16 | 希土類コバルト系永久磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5867801A true JPS5867801A (ja) | 1983-04-22 |
| JPS6159388B2 JPS6159388B2 (enrdf_load_stackoverflow) | 1986-12-16 |
Family
ID=15823831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56166040A Granted JPS5867801A (ja) | 1981-10-16 | 1981-10-16 | 希土類コバルト系永久磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5867801A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0314204A (ja) * | 1989-06-07 | 1991-01-22 | Ind Technol Res Inst | 希土類磁石製造方法 |
| JP2009295638A (ja) * | 2008-06-02 | 2009-12-17 | Tdk Corp | Ｒ−ｔ−ｂ系磁石の製造方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62276714A (ja) * | 1986-05-26 | 1987-12-01 | 松下電工株式会社 | 配線器具取付アダプタ |
| JPH01122217U (enrdf_load_stackoverflow) * | 1988-02-15 | 1989-08-18 | ||
| JPH0686387U (ja) * | 1993-05-26 | 1994-12-13 | 株式会社サガミ電子工業 | 部品取付具及びこの取付具を用いた部品取付構造 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5230451A (en) * | 1975-09-03 | 1977-03-08 | Hitachi Ltd | Wave length scanner for spectroscope |
| JPS5471034A (en) * | 1977-11-16 | 1979-06-07 | Seiko Instr & Electronics Ltd | Method of producing rare earth magnet |
| JPS55164048A (en) * | 1979-06-08 | 1980-12-20 | Matsushita Electric Ind Co Ltd | Production of intermetallic compound ferromagnetic body |
| JPS5776102A (en) * | 1980-10-28 | 1982-05-13 | Seiko Instr & Electronics Ltd | Manufacture of rare earth metal magnet |
| JPS5848603A (ja) * | 1981-09-18 | 1983-03-22 | Seiko Instr & Electronics Ltd | 金属間化合物磁石の製造方法 |
-
1981
- 1981-10-16 JP JP56166040A patent/JPS5867801A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5230451A (en) * | 1975-09-03 | 1977-03-08 | Hitachi Ltd | Wave length scanner for spectroscope |
| JPS5471034A (en) * | 1977-11-16 | 1979-06-07 | Seiko Instr & Electronics Ltd | Method of producing rare earth magnet |
| JPS55164048A (en) * | 1979-06-08 | 1980-12-20 | Matsushita Electric Ind Co Ltd | Production of intermetallic compound ferromagnetic body |
| JPS5776102A (en) * | 1980-10-28 | 1982-05-13 | Seiko Instr & Electronics Ltd | Manufacture of rare earth metal magnet |
| JPS5848603A (ja) * | 1981-09-18 | 1983-03-22 | Seiko Instr & Electronics Ltd | 金属間化合物磁石の製造方法 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0314204A (ja) * | 1989-06-07 | 1991-01-22 | Ind Technol Res Inst | 希土類磁石製造方法 |
| JP2009295638A (ja) * | 2008-06-02 | 2009-12-17 | Tdk Corp | Ｒ−ｔ−ｂ系磁石の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6159388B2 (enrdf_load_stackoverflow) | 1986-12-16 |
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