JPS6355907A - 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
- JPS6355907A JPS6355907A JP61198266A JP19826686A JPS6355907A JP S6355907 A JPS6355907 A JP S6355907A JP 61198266 A JP61198266 A JP 61198266A JP 19826686 A JP19826686 A JP 19826686A JP S6355907 A JPS6355907 A JP S6355907A
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- alloy
- aging
- rare earth
- surface treatment
- 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 19
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 150000002910 rare earth metals Chemical class 0.000 title claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 37
- 239000000956 alloy Substances 0.000 claims abstract description 37
- 230000032683 aging Effects 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000004381 surface treatment Methods 0.000 claims abstract description 17
- 238000011282 treatment Methods 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- 229910052779 Neodymium Inorganic materials 0.000 claims abstract description 13
- 229910052796 boron Inorganic materials 0.000 claims abstract description 13
- 238000004663 powder metallurgy Methods 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 21
- 230000005291 magnetic effect Effects 0.000 abstract description 18
- 239000012298 atmosphere Substances 0.000 abstract description 8
- 229910052684 Cerium Inorganic materials 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 4
- 229910052777 Praseodymium Inorganic materials 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000004090 dissolution Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 238000010298 pulverizing process Methods 0.000 description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000012300 argon atmosphere Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding 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
- 239000000463 material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 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
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000010309 melting process Methods 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
- 238000010791 quenching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61198266A JPS6355907A (ja) | 1986-08-26 | 1986-08-26 | 希土類磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61198266A JPS6355907A (ja) | 1986-08-26 | 1986-08-26 | 希土類磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6355907A true JPS6355907A (ja) | 1988-03-10 |
| JPH0466364B2 JPH0466364B2 (enrdf_load_stackoverflow) | 1992-10-23 |
Family
ID=16388277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61198266A Granted JPS6355907A (ja) | 1986-08-26 | 1986-08-26 | 希土類磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6355907A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002027737A1 (fr) * | 2000-09-28 | 2002-04-04 | Kabushiki Kaisha Bridgestone | Procede de production d'aimant a terres rares fritte |
-
1986
- 1986-08-26 JP JP61198266A patent/JPS6355907A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002027737A1 (fr) * | 2000-09-28 | 2002-04-04 | Kabushiki Kaisha Bridgestone | Procede de production d'aimant a terres rares fritte |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0466364B2 (enrdf_load_stackoverflow) | 1992-10-23 |
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