JPWO2008023731A1 - 永久磁石及び永久磁石の製造方法 - Google Patents
永久磁石及び永久磁石の製造方法 Download PDFInfo
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- 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
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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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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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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- 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
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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
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
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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
- H01F1/06—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
-
- 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
- H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
(比較例1)
(比較例4)
(比較例8)
(比較例11)
(比較例16)
12 真空チャンバ
2 処理室
3 加熱手段
S 焼結磁石
M 永久磁石
V 金属蒸発材料
Claims (17)
- 処理室内に鉄−ホウ素−希土類系の焼結磁石を配置して所定温度に加熱すると共に、同一または他の処理室内に配置したDy、Tbの少なくとも一方を含む金属蒸発材料を蒸発させ、この蒸発した金属原子の焼結磁石表面への供給量を調節してこの金属原子を付着させ、この付着した金属原子を、焼結磁石表面に金属蒸発材料からなる薄膜が形成される前に焼結磁石の結晶粒界相に拡散させることを特徴とする永久磁石の製造方法。
- 前記処理室内に、鉄−ホウ素−希土類系の焼結磁石及びDyを主成分とする金属蒸発材料を配置した場合、前記処理室を、減圧下で800〜1050℃の範囲内の温度に加熱することを特徴とする請求項1記載の永久磁石の製造方法。
- 前記処理室内に、鉄−ホウ素−希土類系の焼結磁石及びTbを主成分とする金属蒸発材料を配置した場合、前記処理室を、減圧下で900〜1150℃の範囲内の温度に加熱することを特徴とする請求項1記載の永久磁石の製造方法。
- 前記処理室内に鉄−ホウ素−希土類系の焼結磁石を配置してこの焼結磁石を800〜1100℃の範囲内に加熱し、同一または他の処理室内に設置したDy、Tbの少なくとも一方を含む金属蒸発材料を加熱して蒸発させ、この蒸発した金属原子を焼結磁石表面に供給して付着させることを特徴とする請求項1記載の永久磁石の製造方法。
- 前記処理室に鉄−ホウ素−希土類系の焼結磁石を配置し、当該焼結磁石を所定温度に加熱して保持した後、同一または他の処理室内に設置したDy、Tbの少なくとも一方を含む金属蒸発材料を800℃〜1200℃の範囲内で加熱して蒸発させ、この蒸発した金属原子を焼結磁石表面に供給して付着させることを特徴とする請求項1または請求項4記載の永久磁石の製造方法。
- 前記焼結磁石と金属蒸発材料とを同一の処理室内に配置する場合、焼結磁石及び金属蒸発材料を相互に離間して配置することを特徴とする請求項1乃至請求項5のいずれか1項に記載の永久磁石の製造方法。
- 前記処理室内に設置される焼結磁石の表面積の総和に対する金属蒸発材料の表面積の総和の比率を、1×10−4から2×103の範囲に設定したことを特徴とする請求項1乃至請求項6のいずれか1項に記載の永久磁石の製造方法。
- 前記処理室内に配置される前記金属蒸発材料の比表面積を変化させて一定温度下における蒸発量を増減し、前記供給量を調節することを特徴とする請求項1乃至請求項7のいずれか1項に記載の永久磁石の製造方法。
- 前記焼結磁石を収納した処理室の加熱に先立って、処理室内を所定圧力に減圧して保持することを特徴とする請求項1乃至請求項8のいずれか1項に記載の永久磁石の製造方法。
- 前記処理室を所定圧力に減圧した後、処理室内を所定温度に加熱して保持することを特徴とする請求項9記載の永久磁石の製造方法。
- 前記焼結磁石を収納した処理室の加熱に先立って、プラズマによる前記焼結磁石表面のクリーニングを行うことを特徴とする請求項1乃至請求項10のいずれか1項に記載の永久磁石の製造方法。
- 前記焼結磁石の結晶粒界相に前記金属原子を拡散させた後、前記温度より低い所定温度で熱処理を施すことを特徴とする請求項1乃至請求項11のいずれか1項に記載の永久磁石の製造方法。
- 前記焼結磁石が、1μm〜5μmまたは7μm〜20μmの範囲の平均結晶粒径を有することを特徴とする請求項1乃至請求項12のいずれか1項に記載の永久磁石の製造方法。
- 前記焼結磁石は、Coを含有しないものであることを特徴とする請求項1乃至請求項13のいずれか1項に記載の永久磁石の製造方法。
- 鉄−ホウ素−希土類系の焼結磁石を有し、Dy、Tbの少なくとも一方からなる金属蒸発材料を蒸発させ、この蒸発した金属原子の焼結磁石表面への供給量を調節してこの金属原子を付着させ、この付着した金属原子を焼結磁石表面に金属蒸発材料からなる薄膜が形成される前に焼結磁石の結晶粒界相に拡散させてなることを特徴とする永久磁石。
- 前記焼結磁石が、1μm〜5μmまたは7μm〜20μmの範囲の平均結晶粒径を有することを特徴とする請求項16記載の永久磁石。
- 前記焼結磁石は、Coを含有しないものであることを特徴とする請求項15または請求項16記載の永久磁石。
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JP2006246248 | 2006-09-12 | ||
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PCT/JP2007/066272 WO2008023731A1 (en) | 2006-08-23 | 2007-08-22 | Permanent magnet and process for producing the same |
JP2008530940A JP5356026B2 (ja) | 2006-08-23 | 2007-08-22 | 永久磁石及び永久磁石の製造方法 |
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US (2) | US8257511B2 (ja) |
JP (1) | JP5356026B2 (ja) |
KR (1) | KR101425828B1 (ja) |
CN (1) | CN101506919B (ja) |
DE (1) | DE112007002010T5 (ja) |
TW (1) | TWI433172B (ja) |
WO (1) | WO2008023731A1 (ja) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2458423C2 (ru) * | 2006-12-21 | 2012-08-10 | Улвак, Инк. | Постоянный магнит и способ его изготовления |
RU2423748C2 (ru) * | 2006-12-21 | 2011-07-10 | Улвак, Инк. | Постоянный магнит и способ его изготовления |
KR101373272B1 (ko) * | 2006-12-21 | 2014-03-11 | 가부시키가이샤 알박 | 영구자석 및 영구자석의 제조방법 |
JP5328369B2 (ja) * | 2006-12-21 | 2013-10-30 | 株式会社アルバック | 永久磁石及び永久磁石の製造方法 |
JP5328161B2 (ja) * | 2008-01-11 | 2013-10-30 | インターメタリックス株式会社 | NdFeB焼結磁石の製造方法及びNdFeB焼結磁石 |
WO2009104632A1 (ja) * | 2008-02-20 | 2009-08-27 | 株式会社アルバック | スクラップ磁石の再生方法 |
WO2010041416A1 (ja) * | 2008-10-08 | 2010-04-15 | 株式会社アルバック | 蒸発材料及び蒸発材料の製造方法 |
JP5117357B2 (ja) * | 2008-11-26 | 2013-01-16 | 株式会社アルバック | 永久磁石の製造方法 |
JP2010245392A (ja) * | 2009-04-08 | 2010-10-28 | Ulvac Japan Ltd | ネオジウム鉄ボロン系の焼結磁石 |
JP5057111B2 (ja) | 2009-07-01 | 2012-10-24 | 信越化学工業株式会社 | 希土類磁石の製造方法 |
CN106098281B (zh) | 2009-07-10 | 2019-02-22 | 因太金属株式会社 | NdFeB烧结磁铁 |
MY174972A (en) | 2011-05-02 | 2020-05-29 | Shinetsu Chemical Co | Rare earth permanent magnets and their preparation |
PH12013000103B1 (en) | 2012-04-11 | 2015-09-07 | Shinetsu Chemical Co | Rare earth sintered magnet and making method |
CN103000324B (zh) * | 2012-10-17 | 2016-08-03 | 烟台正海磁性材料股份有限公司 | 一种烧结稀土永磁材料及其制备方法 |
CN103231059B (zh) * | 2013-05-05 | 2015-08-12 | 沈阳中北真空磁电科技有限公司 | 一种钕铁硼稀土永磁器件的制造方法 |
CN103646772B (zh) * | 2013-11-21 | 2017-01-04 | 烟台正海磁性材料股份有限公司 | 一种R-Fe-B系烧结磁体的制备方法 |
CN103985534B (zh) * | 2014-05-30 | 2016-08-24 | 厦门钨业股份有限公司 | 对R-T-B系磁体进行Dy扩散的方法、磁体和扩散源 |
CN103985535A (zh) * | 2014-05-31 | 2014-08-13 | 厦门钨业股份有限公司 | 一种对RTB系磁体进行Dy扩散的方法、磁体和扩散源 |
KR102253160B1 (ko) * | 2014-11-26 | 2021-05-18 | 현대모비스 주식회사 | 차량용 hev/ev 모터의 영구자석 및 그 제작 방법 |
CN104454852B (zh) * | 2014-11-28 | 2016-05-18 | 烟台首钢磁性材料股份有限公司 | 一种永磁钕铁硼磁钢绝缘粘接的方法及专用挤压工装 |
CN104907572B (zh) * | 2015-07-16 | 2017-11-10 | 浙江中杭新材料科技有限公司 | 一种钕铁硼磁材料的制备方法 |
CN105185498B (zh) | 2015-08-28 | 2017-09-01 | 包头天和磁材技术有限责任公司 | 稀土永磁材料及其制造方法 |
CN105185497B (zh) | 2015-08-28 | 2017-06-16 | 包头天和磁材技术有限责任公司 | 一种永磁材料的制备方法 |
CN105177598A (zh) * | 2015-10-15 | 2015-12-23 | 杭州科德磁业有限公司 | 钕铁硼磁体晶界扩散重稀土工艺 |
CN105489369A (zh) * | 2015-12-29 | 2016-04-13 | 浙江东阳东磁稀土有限公司 | 一种提高钕铁硼磁体矫顽力的方法 |
US11254998B2 (en) | 2016-03-28 | 2022-02-22 | Hitachi Metals, Ltd. | Method for separating Dy and Tb from alloy containing both |
WO2017170347A1 (ja) * | 2016-03-28 | 2017-10-05 | 日立金属株式会社 | DyとTbを含む合金から両者を分離する方法 |
CN106782980B (zh) | 2017-02-08 | 2018-11-13 | 包头天和磁材技术有限责任公司 | 永磁材料的制造方法 |
CN106952721B (zh) * | 2017-03-15 | 2019-02-05 | 宁波金鸡强磁股份有限公司 | 一种高温压应力提高稀土永磁材料性能的方法 |
CN107424703B (zh) * | 2017-09-06 | 2018-12-11 | 内蒙古鑫众恒磁性材料有限责任公司 | 晶界扩散法制作烧结钕铁硼永磁的重稀土附着工艺 |
JP7196514B2 (ja) | 2018-10-04 | 2022-12-27 | 信越化学工業株式会社 | 希土類焼結磁石 |
CN110444386B (zh) | 2019-08-16 | 2021-09-03 | 包头天和磁材科技股份有限公司 | 烧结体、烧结永磁体及其制备方法 |
JP7364405B2 (ja) | 2019-09-20 | 2023-10-18 | 信越化学工業株式会社 | 希土類磁石の製造方法 |
US20220148801A1 (en) | 2020-11-12 | 2022-05-12 | Shin-Etsu Chemical Co., Ltd. | Method for Manufacturing Rare Earth Sintered Magnet |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT393177B (de) | 1989-04-28 | 1991-08-26 | Boehler Gmbh | Permanentmagnet(-werkstoff) sowie verfahren zur herstellung desselben |
JP2001135538A (ja) * | 1999-11-05 | 2001-05-18 | Citizen Watch Co Ltd | 永久磁石材料の製造方法 |
JP2004296973A (ja) | 2003-03-28 | 2004-10-21 | Kenichi Machida | 金属蒸気収着による高性能希土類磁石の製造 |
JP3897724B2 (ja) * | 2003-03-31 | 2007-03-28 | 独立行政法人科学技術振興機構 | 超小型製品用の微小、高性能焼結希土類磁石の製造方法 |
JP2005011973A (ja) * | 2003-06-18 | 2005-01-13 | Japan Science & Technology Agency | 希土類−鉄−ホウ素系磁石及びその製造方法 |
JP3960966B2 (ja) | 2003-12-10 | 2007-08-15 | 独立行政法人科学技術振興機構 | 耐熱性希土類磁石の製造方法 |
TWI302712B (en) * | 2004-12-16 | 2008-11-01 | Japan Science & Tech Agency | Nd-fe-b base magnet including modified grain boundaries and method for manufacturing the same |
CN103227022B (zh) * | 2006-03-03 | 2017-04-12 | 日立金属株式会社 | R‑Fe‑B系稀土类烧结磁铁 |
-
2007
- 2007-08-22 JP JP2008530940A patent/JP5356026B2/ja active Active
- 2007-08-22 CN CN2007800312872A patent/CN101506919B/zh active Active
- 2007-08-22 KR KR1020097004472A patent/KR101425828B1/ko active IP Right Grant
- 2007-08-22 US US12/438,057 patent/US8257511B2/en active Active
- 2007-08-22 DE DE112007002010T patent/DE112007002010T5/de not_active Ceased
- 2007-08-22 WO PCT/JP2007/066272 patent/WO2008023731A1/ja active Application Filing
- 2007-08-23 TW TW096131263A patent/TWI433172B/zh active
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2011
- 2011-12-05 US US13/310,907 patent/US20120086531A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
TWI433172B (zh) | 2014-04-01 |
KR101425828B1 (ko) | 2014-08-05 |
CN101506919A (zh) | 2009-08-12 |
US8257511B2 (en) | 2012-09-04 |
US20100164663A1 (en) | 2010-07-01 |
CN101506919B (zh) | 2012-10-31 |
WO2008023731A1 (en) | 2008-02-28 |
JP5356026B2 (ja) | 2013-12-04 |
KR20090048613A (ko) | 2009-05-14 |
US20120086531A1 (en) | 2012-04-12 |
DE112007002010T5 (de) | 2009-07-02 |
TW200822155A (en) | 2008-05-16 |
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