JP2002164238A5 - - Google Patents
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- JP2002164238A5 JP2002164238A5 JP2001279655A JP2001279655A JP2002164238A5 JP 2002164238 A5 JP2002164238 A5 JP 2002164238A5 JP 2001279655 A JP2001279655 A JP 2001279655A JP 2001279655 A JP2001279655 A JP 2001279655A JP 2002164238 A5 JP2002164238 A5 JP 2002164238A5
- Authority
- JP
- Japan
- Prior art keywords
- weight
- slurry
- ring
- magnet
- sintered
- 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.)
- Pending
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- 230000005291 magnetic effect Effects 0.000 description 59
- 239000002002 slurry Substances 0.000 description 57
- 239000000843 powder Substances 0.000 description 43
- 230000000052 comparative effect Effects 0.000 description 34
- 239000000314 lubricant Substances 0.000 description 31
- 229910052761 rare earth metal Inorganic materials 0.000 description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 26
- 239000001301 oxygen Substances 0.000 description 25
- 229910052760 oxygen Inorganic materials 0.000 description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 24
- 239000003921 oil Substances 0.000 description 24
- 235000019198 oils Nutrition 0.000 description 24
- 229910045601 alloy Inorganic materials 0.000 description 23
- 239000000956 alloy Substances 0.000 description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 22
- 229910052799 carbon Inorganic materials 0.000 description 22
- 150000002910 rare earth metals Chemical class 0.000 description 20
- 238000005245 sintering Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 17
- 238000002441 X-ray diffraction Methods 0.000 description 16
- 238000000465 moulding Methods 0.000 description 16
- 239000002245 particle Substances 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 15
- 235000014113 dietary fatty acids Nutrition 0.000 description 14
- 239000000194 fatty acid Substances 0.000 description 14
- 229930195729 fatty acid Natural products 0.000 description 14
- -1 fatty acid esters Chemical class 0.000 description 14
- 239000002480 mineral oil Substances 0.000 description 12
- 235000010446 mineral oil Nutrition 0.000 description 12
- 229910052757 nitrogen Inorganic materials 0.000 description 12
- 229910052779 Neodymium Inorganic materials 0.000 description 11
- 239000012298 atmosphere Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- QYDYPVFESGNLHU-UHFFFAOYSA-N elaidic acid methyl ester Natural products CCCCCCCCC=CCCCCCCCC(=O)OC QYDYPVFESGNLHU-UHFFFAOYSA-N 0.000 description 10
- QYDYPVFESGNLHU-KHPPLWFESA-N methyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC QYDYPVFESGNLHU-KHPPLWFESA-N 0.000 description 10
- 229940073769 methyl oleate Drugs 0.000 description 10
- 150000004665 fatty acids Chemical class 0.000 description 9
- 230000001590 oxidative effect Effects 0.000 description 9
- 150000005846 sugar alcohols Polymers 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 229910052733 gallium Inorganic materials 0.000 description 8
- 229910000765 intermetallic Inorganic materials 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 229910052758 niobium Inorganic materials 0.000 description 7
- 238000010298 pulverizing process Methods 0.000 description 7
- 235000015112 vegetable and seed oil Nutrition 0.000 description 7
- 239000008158 vegetable oil Substances 0.000 description 7
- 229910052727 yttrium Inorganic materials 0.000 description 7
- 150000001298 alcohols Chemical class 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 238000011049 filling Methods 0.000 description 6
- 125000001183 hydrocarbyl group Chemical group 0.000 description 6
- 229910052750 molybdenum Inorganic materials 0.000 description 6
- 150000007519 polyprotic acids Polymers 0.000 description 6
- 229910052715 tantalum Inorganic materials 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 229910052720 vanadium Inorganic materials 0.000 description 6
- 229910052726 zirconium Inorganic materials 0.000 description 6
- 239000012300 argon atmosphere Substances 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 229910052735 hafnium Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 229910052692 Dysprosium Inorganic materials 0.000 description 4
- HPEUJPJOZXNMSJ-UHFFFAOYSA-N Methyl stearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC HPEUJPJOZXNMSJ-UHFFFAOYSA-N 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 229910052777 Praseodymium Inorganic materials 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 2
- QGLWBTPVKHMVHM-KTKRTIGZSA-N (z)-octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCN QGLWBTPVKHMVHM-KTKRTIGZSA-N 0.000 description 2
- ALKCLFLTXBBMMP-UHFFFAOYSA-N 3,7-dimethylocta-1,6-dien-3-yl hexanoate Chemical compound CCCCCC(=O)OC(C)(C=C)CCC=C(C)C ALKCLFLTXBBMMP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- CAMHHLOGFDZBBG-UHFFFAOYSA-N epoxidized methyl oleate Natural products CCCCCCCCC1OC1CCCCCCCC(=O)OC CAMHHLOGFDZBBG-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000010902 jet-milling Methods 0.000 description 2
- QSQLTHHMFHEFIY-UHFFFAOYSA-N methyl behenate Chemical compound CCCCCCCCCCCCCCCCCCCCCC(=O)OC QSQLTHHMFHEFIY-UHFFFAOYSA-N 0.000 description 2
- YRHYCMZPEVDGFQ-UHFFFAOYSA-N methyl decanoate Chemical compound CCCCCCCCCC(=O)OC YRHYCMZPEVDGFQ-UHFFFAOYSA-N 0.000 description 2
- UQDUPQYQJKYHQI-UHFFFAOYSA-N methyl laurate Chemical compound CCCCCCCCCCCC(=O)OC UQDUPQYQJKYHQI-UHFFFAOYSA-N 0.000 description 2
- ZAZKJZBWRNNLDS-UHFFFAOYSA-N methyl tetradecanoate Chemical compound CCCCCCCCCCCCCC(=O)OC ZAZKJZBWRNNLDS-UHFFFAOYSA-N 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 229940055577 oleyl alcohol Drugs 0.000 description 2
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- RLPSARLYTKXVSE-UHFFFAOYSA-N 1-(1,3-thiazol-5-yl)ethanamine Chemical compound CC(N)C1=CN=CS1 RLPSARLYTKXVSE-UHFFFAOYSA-N 0.000 description 1
- OPJWPPVYCOPDCM-UHFFFAOYSA-N 2-ethylhexyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CC)CCCC OPJWPPVYCOPDCM-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N Diethylhexyl phthalate Natural products CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- RDOFJDLLWVCMRU-UHFFFAOYSA-N Diisobutyl adipate Chemical compound CC(C)COC(=O)CCCCC(=O)OCC(C)C RDOFJDLLWVCMRU-UHFFFAOYSA-N 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- PRXRUNOAOLTIEF-ADSICKODSA-N Sorbitan trioleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC PRXRUNOAOLTIEF-ADSICKODSA-N 0.000 description 1
- 239000004147 Sorbitan trioleate Substances 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- QZULIRBSQUIUTA-CLFAGFIQSA-N bis[(z)-octadec-9-enyl] hexanedioate Chemical compound CCCCCCCC\C=C/CCCCCCCCOC(=O)CCCCC(=O)OCCCCCCCC\C=C/CCCCCCCC QZULIRBSQUIUTA-CLFAGFIQSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229940031769 diisobutyl adipate Drugs 0.000 description 1
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- YCZJVRCZIPDYHH-UHFFFAOYSA-N ditridecyl benzene-1,2-dicarboxylate Chemical compound CCCCCCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCCCCCCC YCZJVRCZIPDYHH-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- DJDSLBVSSOQSLW-UHFFFAOYSA-N mono(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(O)=O DJDSLBVSSOQSLW-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229960000391 sorbitan trioleate Drugs 0.000 description 1
- 235000019337 sorbitan trioleate Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001279655A JP2002164238A (ja) | 2000-09-14 | 2001-09-14 | 希土類焼結磁石の製造方法およびリング磁石 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-280104 | 2000-09-14 | ||
| JP2000280104 | 2000-09-14 | ||
| JP2001279655A JP2002164238A (ja) | 2000-09-14 | 2001-09-14 | 希土類焼結磁石の製造方法およびリング磁石 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002164238A JP2002164238A (ja) | 2002-06-07 |
| JP2002164238A5 true JP2002164238A5 (enExample) | 2007-03-01 |
Family
ID=26600002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001279655A Pending JP2002164238A (ja) | 2000-09-14 | 2001-09-14 | 希土類焼結磁石の製造方法およびリング磁石 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002164238A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447331B (zh) * | 2002-10-08 | 2011-08-17 | 日立金属株式会社 | 烧结型R-Fe-B系永磁体的制造方法 |
| JP4706872B2 (ja) * | 2002-10-08 | 2011-06-22 | 日立金属株式会社 | 焼結型永久磁石の製造方法及び金型 |
| KR100826661B1 (ko) * | 2004-03-23 | 2008-05-02 | 도꾸리쯔교세이호징 가가꾸 기쥬쯔 신꼬 기꼬 | Ｒ-Ｆｅ-Ｂ계 박막자석 및 그 제조방법 |
| US7790300B2 (en) | 2004-03-23 | 2010-09-07 | Japan Science And Technology Agency | R-Fe-B based thin film magnet and method for preparation thereof |
| JP4716051B2 (ja) * | 2008-02-20 | 2011-07-06 | Ｔｄｋ株式会社 | 焼結磁石の製造方法 |
| CN112919895B (zh) * | 2020-12-28 | 2022-02-18 | 横店集团东磁股份有限公司 | 一种应用异性干压铁氧体细粉的磁体的制备方法 |
-
2001
- 2001-09-14 JP JP2001279655A patent/JP2002164238A/ja active Pending
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