JP5434869B2 - 希土類焼結磁石の製造方法 - Google Patents

希土類焼結磁石の製造方法 Download PDF

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Publication number
JP5434869B2
JP5434869B2 JP2010217156A JP2010217156A JP5434869B2 JP 5434869 B2 JP5434869 B2 JP 5434869B2 JP 2010217156 A JP2010217156 A JP 2010217156A JP 2010217156 A JP2010217156 A JP 2010217156A JP 5434869 B2 JP5434869 B2 JP 5434869B2
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Japan
Prior art keywords
rare earth
rubber
sintered magnet
earth sintered
oil
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JP2010217156A
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English (en)
Japanese (ja)
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JP2011135041A5 (enExample
JP2011135041A (ja
Inventor
周一郎 入江
雷太郎 政岡
敏也 寳角
哲也 千葉
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TDK Corp
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TDK Corp
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Priority to JP2010217156A priority Critical patent/JP5434869B2/ja
Priority to US12/951,325 priority patent/US8540929B2/en
Priority to EP10192178.1A priority patent/EP2328157B1/en
Priority to CN201010563227.9A priority patent/CN102122567B/zh
Publication of JP2011135041A publication Critical patent/JP2011135041A/ja
Publication of JP2011135041A5 publication Critical patent/JP2011135041A5/ja
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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
    • 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
    • H01F41/0266—Moulding; Pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1017—Multiple heating or additional steps
    • B22F3/1021—Removal of binder or filler
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
    • 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
    • C22C38/06—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
    • 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
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
JP2010217156A 2009-11-25 2010-09-28 希土類焼結磁石の製造方法 Active JP5434869B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2010217156A JP5434869B2 (ja) 2009-11-25 2010-09-28 希土類焼結磁石の製造方法
US12/951,325 US8540929B2 (en) 2009-11-25 2010-11-22 Method for producing rare earth sintered magnet
EP10192178.1A EP2328157B1 (en) 2009-11-25 2010-11-23 Method for producing rare earth sintered magnet
CN201010563227.9A CN102122567B (zh) 2009-11-25 2010-11-25 稀土类烧结磁铁的制造方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009267581 2009-11-25
JP2009267581 2009-11-25
JP2010217156A JP5434869B2 (ja) 2009-11-25 2010-09-28 希土類焼結磁石の製造方法

Publications (3)

Publication Number Publication Date
JP2011135041A JP2011135041A (ja) 2011-07-07
JP2011135041A5 JP2011135041A5 (enExample) 2013-08-15
JP5434869B2 true JP5434869B2 (ja) 2014-03-05

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JP2010217156A Active JP5434869B2 (ja) 2009-11-25 2010-09-28 希土類焼結磁石の製造方法

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US (1) US8540929B2 (enExample)
EP (1) EP2328157B1 (enExample)
JP (1) JP5434869B2 (enExample)
CN (1) CN102122567B (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2685470A4 (en) * 2011-06-24 2015-04-29 Nitto Denko Corp Rare-term permanent magnet and method for producing the rare-earth permanent magnet
US20130141197A1 (en) * 2011-06-24 2013-06-06 Nitto Denko Corporation Rare-earth permanent magnet and method for manufacturing rare-earth permanent magnet
WO2012176509A1 (ja) * 2011-06-24 2012-12-27 日東電工株式会社 希土類永久磁石及び希土類永久磁石の製造方法
JP5878325B2 (ja) * 2011-09-30 2016-03-08 日東電工株式会社 永久磁石の製造方法
JP5969750B2 (ja) * 2011-10-14 2016-08-17 日東電工株式会社 希土類永久磁石の製造方法
EP2827348B1 (en) * 2012-03-12 2022-01-26 Nitto Denko Corporation Rare earth permanent magnet and method for producing rare earth permanent magnet
JP5926989B2 (ja) * 2012-03-12 2016-05-25 日東電工株式会社 希土類永久磁石及び希土類永久磁石の製造方法
KR20140134259A (ko) * 2012-03-12 2014-11-21 닛토덴코 가부시키가이샤 희토류 영구 자석 및 희토류 영구 자석의 제조 방법
DE112015001819T5 (de) * 2014-04-16 2017-01-12 Namiki Seimitsu Houseki Kabushiki Kaisha Gesinterter SmCo-Seltenerdmagnet
CN105304285A (zh) * 2015-09-23 2016-02-03 沈群华 一种具有节能功能的电力变压器
US20170100862A1 (en) * 2015-10-09 2017-04-13 Lexmark International, Inc. Injection-Molded Physical Unclonable Function
US10410779B2 (en) 2015-10-09 2019-09-10 Lexmark International, Inc. Methods of making physical unclonable functions having magnetic and non-magnetic particles
JP6852351B2 (ja) * 2016-10-28 2021-03-31 株式会社Ihi 希土類永久磁石の製造方法
JP6780706B2 (ja) * 2016-11-09 2020-11-04 Tdk株式会社 希土類磁石の製造方法
US20190139909A1 (en) 2017-11-09 2019-05-09 Lexmark International, Inc. Physical Unclonable Functions in Integrated Circuit Chip Packaging for Security
JP7524017B2 (ja) * 2020-09-30 2024-07-29 ミネベアミツミ株式会社 希土類系磁石の製造方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778807A (en) * 1953-05-26 1957-01-22 Exxon Research Engineering Co Oil extended synthetic rubber compositions
JPS61276303A (ja) * 1985-05-31 1986-12-06 Seiko Epson Corp 希土類永久磁石の製造方法
JPS62282417A (ja) * 1986-04-30 1987-12-08 Tohoku Metal Ind Ltd 希土類磁石の製造方法
JPH04147905A (ja) * 1990-10-08 1992-05-21 Juki Corp 粒子状材料の焼結体の製造方法
JPH0673404A (ja) * 1992-08-25 1994-03-15 Sumitomo Metal Mining Co Ltd 射出成形用組成物
JPH06116605A (ja) * 1992-10-01 1994-04-26 Kawasaki Steel Corp 希土類系永久磁石用合金粉末の成形助剤及びその添加合金粉末
EP0659508B1 (en) 1993-12-27 2001-12-05 Sumitomo Special Metals Company Limited Fabrication methods for granulated powders
US5666635A (en) * 1994-10-07 1997-09-09 Sumitomo Special Metals Co., Ltd. Fabrication methods for R-Fe-B permanent magnets
JP3777199B2 (ja) 1994-12-09 2006-05-24 株式会社Ｎｅｏｍａｘ 高性能Ｒ−Ｆｅ−Ｂ系永久磁石材料の製造方法
JPH08130142A (ja) * 1994-11-01 1996-05-21 Hitachi Metals Ltd 希土類磁石の製造方法
JPH09283358A (ja) 1996-04-09 1997-10-31 Hitachi Metals Ltd Ｒ−Ｆｅ−Ｂ系焼結磁石の製造方法
US6423386B2 (en) * 1998-04-06 2002-07-23 Hitachi Metals, Ltd. Magnet powder-resin compound particles, method for producing such compound particles and resin-bonded rare earth magnets formed therefrom
JP2000306753A (ja) * 1999-04-21 2000-11-02 Sumitomo Special Metals Co Ltd Ｒ‐Ｆｅ‐Ｂ系永久磁石の製造方法とＲ‐Ｆｅ‐Ｂ系永久磁石成形用潤滑剤
US6274080B1 (en) * 1998-08-21 2001-08-14 Rohm And Haas Company Method for preparing ceramic compositions
JP2000281835A (ja) * 1999-03-31 2000-10-10 Nippon Zeon Co Ltd 油展ゴム、ゴム組成物および架橋物
JP4698867B2 (ja) 2001-03-29 2011-06-08 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系合金の造粒粉の製造方法およびＲ−Ｆｅ−Ｂ系合金焼結体の製造方法
US6800689B2 (en) * 2002-03-20 2004-10-05 Sumitomo Chemical Company, Limited Process for producing polymer rubber and oil extended polymer rubber
CN1467759A (zh) * 2002-07-09 2004-01-14 广州金南磁塑有限公司 一种永磁铁氧粘结橡胶磁体及其制造工艺
CA2401396C (en) * 2002-09-05 2009-07-07 Roger H. Woods Limited A method for treating fluid body waste material, and apparatus therefor
EP1583111B1 (en) * 2003-01-10 2013-03-13 Hitachi Metals, Ltd. Oxidation-resistant rare earth containing magnet powder and method for production thereof, compound for rare earth containing bonded magnet, rare earth containing bonded magnet and method for production thereof
TWI262515B (en) * 2003-09-12 2006-09-21 Tdk Corp Anisotropic rubber magnet, and its manufacturer, motor and magnetic roller
JP4525072B2 (ja) * 2003-12-22 2010-08-18 日産自動車株式会社 希土類磁石およびその製造方法
JP2005203555A (ja) * 2004-01-15 2005-07-28 Neomax Co Ltd 焼結磁石の製造方法
US20100136269A1 (en) * 2005-11-01 2010-06-03 E. Khashoggi Industries, Llc Extruded fiber reinforced cementitious products having wood-like properties and ultrahigh strength and methods for making the same
KR20080080569A (ko) * 2005-12-05 2008-09-04 제이에스알 가부시끼가이샤 열가소성 엘라스토머 조성물, 발포체 및 그의 제조 방법
WO2009133613A1 (ja) * 2008-04-30 2009-11-05 イビデン株式会社 マット材、マット材の製造方法、消音器、及び、消音器の製造方法
CN101383211A (zh) * 2008-07-03 2009-03-11 江显涛 高硬度饱和极性橡胶粘结永磁体及其制备方法
JP2011224978A (ja) * 2010-04-01 2011-11-10 Shin-Etsu Chemical Co Ltd 押出成形用組成物及び押出成形体の製造方法

Also Published As

Publication number Publication date
EP2328157A1 (en) 2011-06-01
CN102122567B (zh) 2013-08-21
US20110121498A1 (en) 2011-05-26
JP2011135041A (ja) 2011-07-07
CN102122567A (zh) 2011-07-13
US8540929B2 (en) 2013-09-24
EP2328157B1 (en) 2015-01-07

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