JPS6223060B2 - - Google Patents
Info
- Publication number
- JPS6223060B2 JPS6223060B2 JP55188090A JP18809080A JPS6223060B2 JP S6223060 B2 JPS6223060 B2 JP S6223060B2 JP 55188090 A JP55188090 A JP 55188090A JP 18809080 A JP18809080 A JP 18809080A JP S6223060 B2 JPS6223060 B2 JP S6223060B2
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- crystals
- mold
- columnar
- molten metal
- 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
- 229910045601 alloy Inorganic materials 0.000 claims description 30
- 239000000956 alloy Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 229910052772 Samarium Inorganic materials 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 239000013078 crystal Substances 0.000 description 37
- 238000000034 method Methods 0.000 description 17
- 238000005266 casting Methods 0.000 description 9
- 238000007796 conventional method Methods 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 102200029231 rs11551768 Human genes 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 229910017076 Fe Zr Inorganic materials 0.000 description 1
- 229910000979 O alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55188090A JPS57114628A (en) | 1980-12-29 | 1980-12-29 | Manufacture of permanent magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55188090A JPS57114628A (en) | 1980-12-29 | 1980-12-29 | Manufacture of permanent magnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57114628A JPS57114628A (en) | 1982-07-16 |
| JPS6223060B2 true JPS6223060B2 (en, 2012) | 1987-05-21 |
Family
ID=16217522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55188090A Granted JPS57114628A (en) | 1980-12-29 | 1980-12-29 | Manufacture of permanent magnet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57114628A (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59118827A (ja) * | 1982-12-24 | 1984-07-09 | Seiko Epson Corp | 希土類コバルト永久磁石の製造方法 |
| JPS60224722A (ja) * | 1984-04-23 | 1985-11-09 | Tohoku Metal Ind Ltd | 異方性複合磁石の製造方法 |
| JP2007157864A (ja) * | 2005-12-02 | 2007-06-21 | Mitsubishi Electric Corp | 希土類−鉄−ボロン系磁石用合金およびその製造方法、その製造装置 |
-
1980
- 1980-12-29 JP JP55188090A patent/JPS57114628A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57114628A (en) | 1982-07-16 |
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