JPS58126944A - 永久磁石の製造方法 - Google Patents
永久磁石の製造方法Info
- Publication number
- JPS58126944A JPS58126944A JP57008035A JP803582A JPS58126944A JP S58126944 A JPS58126944 A JP S58126944A JP 57008035 A JP57008035 A JP 57008035A JP 803582 A JP803582 A JP 803582A JP S58126944 A JPS58126944 A JP S58126944A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- permanent magnet
- sintering
- solution treatment
- alloy
- 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 abstract description 11
- 238000011282 treatment Methods 0.000 claims abstract description 37
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 22
- 239000000956 alloy Substances 0.000 claims abstract description 22
- 239000012298 atmosphere Substances 0.000 claims abstract description 15
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 5
- 150000003624 transition metals Chemical class 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 229910052772 Samarium Inorganic materials 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052715 tantalum Inorganic materials 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 21
- 238000005266 casting Methods 0.000 abstract description 12
- 230000008018 melting Effects 0.000 abstract description 10
- 238000002844 melting Methods 0.000 abstract description 10
- 229910001004 magnetic alloy Inorganic materials 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 229910052684 Cerium Inorganic materials 0.000 abstract description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 2
- 229910001122 Mischmetal Inorganic materials 0.000 abstract 1
- 229910052746 lanthanum Inorganic materials 0.000 abstract 1
- 229910052727 yttrium Inorganic materials 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 22
- 238000001816 cooling Methods 0.000 description 20
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 230000032683 aging Effects 0.000 description 14
- 238000010298 pulverizing process Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 150000002910 rare earth metals Chemical class 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 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
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000012300 argon atmosphere Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 241000243321 Cnidaria Species 0.000 description 1
- 239000004859 Copal Substances 0.000 description 1
- 241000782205 Guibourtia conjugata Species 0.000 description 1
- 102000005717 Myeloma Proteins Human genes 0.000 description 1
- 108010045503 Myeloma Proteins Proteins 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 235000012976 tarts Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Hard Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57008035A JPS58126944A (ja) | 1982-01-21 | 1982-01-21 | 永久磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57008035A JPS58126944A (ja) | 1982-01-21 | 1982-01-21 | 永久磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58126944A true JPS58126944A (ja) | 1983-07-28 |
| JPS629658B2 JPS629658B2 (enrdf_load_html_response) | 1987-03-02 |
Family
ID=11682076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57008035A Granted JPS58126944A (ja) | 1982-01-21 | 1982-01-21 | 永久磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58126944A (enrdf_load_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017061126A1 (ja) * | 2015-10-08 | 2017-04-13 | 国立大学法人九州工業大学 | 希土類コバルト系永久磁石 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106624A (en) * | 1977-03-02 | 1978-09-16 | Hitachi Metals Ltd | Method of making permant magnet |
| JPS5625941A (en) * | 1979-08-11 | 1981-03-12 | Namiki Precision Jewel Co Ltd | Manufacture of permanent magnet alloy |
-
1982
- 1982-01-21 JP JP57008035A patent/JPS58126944A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106624A (en) * | 1977-03-02 | 1978-09-16 | Hitachi Metals Ltd | Method of making permant magnet |
| JPS5625941A (en) * | 1979-08-11 | 1981-03-12 | Namiki Precision Jewel Co Ltd | Manufacture of permanent magnet alloy |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS629658B2 (enrdf_load_html_response) | 1987-03-02 |
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