JP2019149498A - Sm−Fe−N系磁石材料及びSm−Fe−N系ボンド磁石 - Google Patents
Sm−Fe−N系磁石材料及びSm−Fe−N系ボンド磁石 Download PDFInfo
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- JP2019149498A JP2019149498A JP2018034276A JP2018034276A JP2019149498A JP 2019149498 A JP2019149498 A JP 2019149498A JP 2018034276 A JP2018034276 A JP 2018034276A JP 2018034276 A JP2018034276 A JP 2018034276A JP 2019149498 A JP2019149498 A JP 2019149498A
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- 239000000463 material Substances 0.000 title claims abstract description 48
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 7
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 44
- 239000011230 binding agent Substances 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 18
- 239000002184 metal Substances 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000002994 raw material Substances 0.000 abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 6
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 229940075630 samarium oxide Drugs 0.000 abstract 2
- 229910001954 samarium oxide Inorganic materials 0.000 abstract 2
- 230000004931 aggregating effect Effects 0.000 abstract 1
- 230000004907 flux Effects 0.000 description 17
- 238000002347 injection Methods 0.000 description 17
- 239000007924 injection Substances 0.000 description 17
- 230000005347 demagnetization Effects 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 12
- 239000013078 crystal Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 10
- 238000011084 recovery Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 9
- 238000005121 nitriding Methods 0.000 description 8
- 230000002427 irreversible effect Effects 0.000 description 7
- 238000010791 quenching Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- 238000000748 compression moulding Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910001172 neodymium magnet Inorganic materials 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910052772 Samarium Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 241000221535 Pucciniales Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- PRQMIVBGRIUJHV-UHFFFAOYSA-N [N].[Fe].[Sm] Chemical compound [N].[Fe].[Sm] PRQMIVBGRIUJHV-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
- H01F1/0596—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2 of rhombic or rhombohedral Th2Zn17 structure or hexagonal Th2Ni17 structure
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/08—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/083—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together in a bonding agent
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0558—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together bonded together
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
Smを7.0〜12原子%、
Hf及びZrから成る群から選ばれる1種又は2種の元素を0.1〜1.5原子%、
Cを0.05〜0.5原子%、
Nを10〜20原子%、
Coを0〜35原子%(従って、Coを含有しなくてもよい)、
含有し、
残部がFeである
ことを特徴とする。
11…溶湯
12…噴射ノズル
13…ロール
14…衝突部材
15…粉末
16…回収容器
17…管状炉
Claims (4)
- Smを7.0〜12原子%、
Hf及びZrから成る群から選ばれる1種又は2種の元素を0.1〜1.5原子%、
Cを0.05〜0.5原子%、
Nを10〜20原子%、
Coを0〜35原子%、
含有し、
残部がFeである
ことを特徴とするSm-Fe-N系磁石材料。 - さらに、Alを0.1〜0.5原子%含有することを特徴とする請求項1に記載のSm-Fe-N系磁石材料。
- さらに、Siを0.15〜0.5原子%含有することを特徴とする請求項1又は2に記載のSm-Fe-N系磁石材料。
- 請求項1〜3のいずれかに記載のSm-Fe-N系磁石材料の粉末とバインダから成ることを特徴とするSm-Fe-N系ボンド磁石。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018034276A JP7095310B2 (ja) | 2018-02-28 | 2018-02-28 | Sm-Fe-N系磁石材料及びSm-Fe-N系ボンド磁石 |
US16/285,490 US11742121B2 (en) | 2018-02-28 | 2019-02-26 | Sm—Fe—N magnet material and Sm—Fe—N bonded magnet |
KR1020190023324A KR102202393B1 (ko) | 2018-02-28 | 2019-02-27 | Sm-Fe-N 자성체 및 Sm-Fe-N 본드 자석 |
EP19159952.1A EP3534382B1 (en) | 2018-02-28 | 2019-02-28 | Sm-fe-n magnet material and sm-fe-n bonded magnet |
DK19159952.1T DK3534382T3 (da) | 2018-02-28 | 2019-02-28 | Sm-fe-n-magnetmateriale og sm-fe-n-bundet magnet |
CN201910148189.1A CN110211759B (zh) | 2018-02-28 | 2019-02-28 | Sm-Fe-N磁体材料和Sm-Fe-N粘结磁体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2018034276A JP7095310B2 (ja) | 2018-02-28 | 2018-02-28 | Sm-Fe-N系磁石材料及びSm-Fe-N系ボンド磁石 |
Publications (2)
Publication Number | Publication Date |
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JP2019149498A true JP2019149498A (ja) | 2019-09-05 |
JP7095310B2 JP7095310B2 (ja) | 2022-07-05 |
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Country Status (6)
Country | Link |
---|---|
US (1) | US11742121B2 (ja) |
EP (1) | EP3534382B1 (ja) |
JP (1) | JP7095310B2 (ja) |
KR (1) | KR102202393B1 (ja) |
CN (1) | CN110211759B (ja) |
DK (1) | DK3534382T3 (ja) |
Families Citing this family (1)
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CN112086280B (zh) * | 2020-09-22 | 2022-04-08 | 宁波磁性材料应用技术创新中心有限公司 | 一种稀土铁系金属间氮化物粉末的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04354105A (ja) * | 1991-05-30 | 1992-12-08 | Minebea Co Ltd | 希土類ボンド磁石の製造方法 |
JP2001167915A (ja) * | 1999-10-01 | 2001-06-22 | Tdk Corp | 磁石の製造方法 |
JP2002057017A (ja) * | 2000-05-29 | 2002-02-22 | Daido Steel Co Ltd | 等方性の粉末磁石材料、その製造方法およびボンド磁石 |
JP2016526298A (ja) * | 2013-05-31 | 2016-09-01 | 北京有色金属研究総院General Research Institute for Nonferrous Metals | 希土類永久磁石粉末、それを含む接着性磁性体及び当該接着性磁性体を応用した素子 |
JP2018046222A (ja) * | 2016-09-16 | 2018-03-22 | 大同特殊鋼株式会社 | Sm−Fe−N系磁石材料及びSm−Fe−N系ボンド磁石 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3222482B2 (ja) | 1991-01-14 | 2001-10-29 | 株式会社東芝 | 永久磁石の製造方法 |
JP3219865B2 (ja) | 1991-10-16 | 2001-10-15 | 株式会社東芝 | 磁性材料、永久磁石およびボンド磁石 |
US5482573A (en) | 1991-10-16 | 1996-01-09 | Kabushiki Kaisha Toshiba | Magnetic material |
US5750044A (en) | 1994-07-12 | 1998-05-12 | Tdk Corporation | Magnet and bonded magnet |
JPH10312918A (ja) | 1994-07-12 | 1998-11-24 | Tdk Corp | 磁石およびボンディッド磁石 |
JP3317646B2 (ja) | 1996-12-04 | 2002-08-26 | ティーディーケイ株式会社 | 磁石の製造方法 |
US5968290A (en) * | 1997-04-03 | 1999-10-19 | Kabushiki Kaisha Toshiba | Permanent magnet material and bonded magnet |
JPH1187118A (ja) | 1997-09-01 | 1999-03-30 | Toshiba Corp | 磁石材料とその製造方法、およびそれを用いたボンド磁石 |
US6270525B1 (en) | 1999-09-23 | 2001-08-07 | Cordis Corporation | Precursor stent gasket for receiving bilateral grafts having controlled contralateral guidewire access |
TW503409B (en) * | 2000-05-29 | 2002-09-21 | Daido Steel Co Ltd | Isotropic powdery magnet material, process for preparing and resin-bonded magnet |
JP2004063666A (ja) | 2002-07-26 | 2004-02-26 | Daido Steel Co Ltd | 等方性希土類磁石粉末の製造方法 |
US7967919B2 (en) * | 2004-06-17 | 2011-06-28 | Panasonic Corporation | Process for producing self-assembled rare earth-iron bonded magnet and motor utilizing the same |
JP4834869B2 (ja) | 2007-04-06 | 2011-12-14 | Necトーキン株式会社 | 永久磁石材料とそれを用いた永久磁石およびその製造方法 |
CN101546642B (zh) | 2008-03-26 | 2011-06-29 | 有研稀土新材料股份有限公司 | 一种含氮稀土磁粉的制备方法 |
CN102208234B (zh) | 2010-03-29 | 2016-11-09 | 有研稀土新材料股份有限公司 | 一种稀土永磁粉及粘结磁体 |
CN102403078B (zh) | 2011-11-21 | 2014-06-11 | 沈阳中北通磁科技股份有限公司 | 一种各向异性稀土永磁合金材料及其磁粉制备方法 |
CN103531321B (zh) | 2012-07-02 | 2017-04-12 | 有研稀土新材料股份有限公司 | 稀土永磁粉、粘结磁体,以及应用该粘结磁体的器件 |
JP6189524B2 (ja) | 2014-03-19 | 2017-08-30 | 株式会社東芝 | 永久磁石とそれを用いたモータおよび発電機 |
CN105355354B (zh) | 2015-12-15 | 2017-12-08 | 北京科技大学 | 一种钐铁氮基各向异性稀土永磁粉及其制备方法 |
CN105825989B (zh) | 2016-05-24 | 2017-08-25 | 郑精武 | 一种含n稀土‑过渡金属磁性粉末的制备方法 |
JP6837782B2 (ja) | 2016-09-01 | 2021-03-03 | 株式会社東芝 | 搬送装置 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04354105A (ja) * | 1991-05-30 | 1992-12-08 | Minebea Co Ltd | 希土類ボンド磁石の製造方法 |
JP2001167915A (ja) * | 1999-10-01 | 2001-06-22 | Tdk Corp | 磁石の製造方法 |
JP2002057017A (ja) * | 2000-05-29 | 2002-02-22 | Daido Steel Co Ltd | 等方性の粉末磁石材料、その製造方法およびボンド磁石 |
JP2016526298A (ja) * | 2013-05-31 | 2016-09-01 | 北京有色金属研究総院General Research Institute for Nonferrous Metals | 希土類永久磁石粉末、それを含む接着性磁性体及び当該接着性磁性体を応用した素子 |
JP2018046222A (ja) * | 2016-09-16 | 2018-03-22 | 大同特殊鋼株式会社 | Sm−Fe−N系磁石材料及びSm−Fe−N系ボンド磁石 |
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JP7095310B2 (ja) | 2022-07-05 |
US20190267165A1 (en) | 2019-08-29 |
CN110211759B (zh) | 2021-08-10 |
EP3534382B1 (en) | 2024-05-01 |
EP3534382A1 (en) | 2019-09-04 |
KR102202393B1 (ko) | 2021-01-12 |
DK3534382T3 (da) | 2024-05-21 |
KR20190103981A (ko) | 2019-09-05 |
CN110211759A (zh) | 2019-09-06 |
US11742121B2 (en) | 2023-08-29 |
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