JPH0518896B2 - - Google Patents
Info
- Publication number
- JPH0518896B2 JPH0518896B2 JP61228021A JP22802186A JPH0518896B2 JP H0518896 B2 JPH0518896 B2 JP H0518896B2 JP 61228021 A JP61228021 A JP 61228021A JP 22802186 A JP22802186 A JP 22802186A JP H0518896 B2 JPH0518896 B2 JP H0518896B2
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- alloy
- sintered
- aging
- aging 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.)
- Expired - Lifetime
Links
- 230000032683 aging Effects 0.000 claims description 23
- 229910045601 alloy Inorganic materials 0.000 claims description 21
- 239000000956 alloy Substances 0.000 claims description 21
- 238000004381 surface treatment Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 8
- 229910052796 boron Inorganic materials 0.000 claims description 7
- 229910052779 Neodymium Inorganic materials 0.000 claims description 6
- 238000004663 powder metallurgy Methods 0.000 claims description 6
- 229910052684 Cerium Inorganic materials 0.000 claims description 5
- 150000002910 rare earth metals Chemical class 0.000 claims description 5
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 150000003624 transition metals Chemical class 0.000 claims description 3
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 2
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 2
- 229910052771 Terbium Inorganic materials 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 239000012298 atmosphere Substances 0.000 description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012300 argon atmosphere Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000722 Didymium Inorganic materials 0.000 description 1
- 241000224487 Didymium Species 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 229910020218 Pb—Zn Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 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
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910001325 element alloy Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 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
- 238000010583 slow cooling Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61228021A JPS6383244A (ja) | 1986-09-29 | 1986-09-29 | 希土類磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61228021A JPS6383244A (ja) | 1986-09-29 | 1986-09-29 | 希土類磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6383244A JPS6383244A (ja) | 1988-04-13 |
| JPH0518896B2 true JPH0518896B2 (enrdf_load_html_response) | 1993-03-15 |
Family
ID=16869950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61228021A Granted JPS6383244A (ja) | 1986-09-29 | 1986-09-29 | 希土類磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6383244A (enrdf_load_html_response) |
-
1986
- 1986-09-29 JP JP61228021A patent/JPS6383244A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6383244A (ja) | 1988-04-13 |
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