SG170075A1 - R-fe-b rare earth sintered magnet and method for producing same - Google Patents

R-fe-b rare earth sintered magnet and method for producing same

Info

Publication number
SG170075A1
SG170075A1 SG201101598-9A SG2011015989A SG170075A1 SG 170075 A1 SG170075 A1 SG 170075A1 SG 2011015989 A SG2011015989 A SG 2011015989A SG 170075 A1 SG170075 A1 SG 170075A1
Authority
SG
Singapore
Prior art keywords
sintered magnet
rare
earth
earth sintered
rare earth
Prior art date
Application number
SG201101598-9A
Other languages
English (en)
Inventor
Koshi Yoshimura
Hideyuki Morimoto
Tomoori Odaka
Original Assignee
Hitachi Metals Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38474822&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG170075(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of SG170075A1 publication Critical patent/SG170075A1/en

Links

Classifications

    • 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
    • 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
    • B22F3/02—Compacting only
    • 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
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • 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
    • 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
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/044—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by jet milling
    • 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
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/01—Reducing atmosphere
    • B22F2201/013—Hydrogen
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
SG201101598-9A 2006-03-03 2007-03-01 R-fe-b rare earth sintered magnet and method for producing same SG170075A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2006058555 2006-03-03
JP2006204848 2006-07-27
JP2006204847 2006-07-27
JP2006239198 2006-09-04
JP2006355280 2006-12-28

Publications (1)

Publication Number Publication Date
SG170075A1 true SG170075A1 (en) 2011-04-29

Family

ID=38474822

Family Applications (1)

Application Number Title Priority Date Filing Date
SG201101598-9A SG170075A1 (en) 2006-03-03 2007-03-01 R-fe-b rare earth sintered magnet and method for producing same

Country Status (8)

Country Link
US (2) US8206516B2 (ja)
EP (3) EP2913126B1 (ja)
JP (5) JP4241900B2 (ja)
KR (1) KR101336744B1 (ja)
CN (1) CN103227022B (ja)
MY (2) MY181243A (ja)
SG (1) SG170075A1 (ja)
WO (1) WO2007102391A1 (ja)

Families Citing this family (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP4811143B2 (ja) * 2006-06-08 2011-11-09 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系希土類焼結磁石およびその製造方法
JP5356026B2 (ja) * 2006-08-23 2013-12-04 株式会社アルバック 永久磁石及び永久磁石の製造方法
JP4922704B2 (ja) * 2006-09-13 2012-04-25 株式会社アルバック 永久磁石及び永久磁石の製造方法
JP4924615B2 (ja) 2006-11-30 2012-04-25 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系微細結晶高密度磁石およびその製造方法
KR101373272B1 (ko) * 2006-12-21 2014-03-11 가부시키가이샤 알박 영구자석 및 영구자석의 제조방법
RU2458423C2 (ru) * 2006-12-21 2012-08-10 Улвак, Инк. Постоянный магнит и способ его изготовления
JP4860491B2 (ja) * 2007-01-11 2012-01-25 株式会社アルバック 永久磁石及び永久磁石の製造方法
JP4860493B2 (ja) * 2007-01-18 2012-01-25 株式会社アルバック 永久磁石の製造方法及び永久磁石の製造装置
MY149353A (en) * 2007-03-16 2013-08-30 Shinetsu Chemical Co Rare earth permanent magnet and its preparations
EP2131474A4 (en) * 2007-03-27 2017-03-29 Hitachi Metals, Ltd. Permanent magnet type rotator and process for producing the same
CN101652821B (zh) * 2007-07-02 2013-06-12 日立金属株式会社 R-Fe-B系稀土类烧结磁铁及其制造方法
KR101474946B1 (ko) * 2007-07-27 2014-12-19 히다찌긴조꾸가부시끼가이사 Ｒ－Ｆｅ－Ｂ계 희토류 소결 자석
HUE025146T2 (en) 2007-09-04 2016-01-28 Hitachi Metals Ltd R-Fe-B anisotropic sintered magnet
JP5210585B2 (ja) * 2007-09-28 2013-06-12 株式会社アルバック 焼結体の製造方法及びこの焼結体の製造方法により製造されるネオジム鉄ボロン系焼結磁石
JP5049722B2 (ja) * 2007-09-28 2012-10-17 株式会社アルバック 焼結体の製造方法及びこの焼結体の製造方法により製造されるネオジウム鉄ボロン系焼結磁石
JP5117220B2 (ja) * 2007-10-31 2013-01-16 株式会社アルバック 永久磁石の製造方法
US20100239878A1 (en) * 2007-10-31 2010-09-23 Hiroshi Nagata Method of manufacturing permanent magnet and permanent magnet
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
WO2009104640A1 (ja) * 2008-02-20 2009-08-27 株式会社アルバック 永久磁石の製造方法及び永久磁石
JP5117219B2 (ja) * 2008-02-20 2013-01-16 株式会社アルバック 永久磁石の製造方法
JP2009200179A (ja) * 2008-02-20 2009-09-03 Ulvac Japan Ltd 焼結体の製造方法
WO2009107397A1 (ja) * 2008-02-28 2009-09-03 日立金属株式会社 Ｒ－Ｆｅ－Ｂ系希土類焼結磁石の製造方法およびその方法によって製造された希土類焼結磁石
JP2010263172A (ja) * 2008-07-04 2010-11-18 Daido Steel Co Ltd 希土類磁石およびその製造方法
JP4896104B2 (ja) 2008-09-29 2012-03-14 株式会社日立製作所 焼結磁石及びそれを用いた回転機
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
CN102361998B (zh) * 2009-03-31 2013-07-17 日立金属株式会社 R-t-b-m系烧结磁体用合金及其制造方法
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
CN102473516B (zh) * 2009-07-10 2015-09-09 日立金属株式会社 R-Fe-B类稀土烧结磁体的制造方法和蒸气控制部件
EP2455954B1 (en) * 2009-07-15 2019-10-16 Hitachi Metals, Ltd. Process for production of r-t-b based sintered magnets
JP5218368B2 (ja) * 2009-10-10 2013-06-26 株式会社豊田中央研究所 希土類磁石材およびその製造方法
CN102362211B (zh) 2009-12-25 2014-12-24 日立金属株式会社 法拉第转子用磁路和法拉第转子用磁路的制造方法
JP5626226B2 (ja) 2010-02-10 2014-11-19 日立金属株式会社 磁力特性算出方法、磁力特性算出装置及びコンピュータプログラム
JP5471698B2 (ja) * 2010-03-26 2014-04-16 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法およびｒｈ拡散処理用治具
JP2011210838A (ja) * 2010-03-29 2011-10-20 Tdk Corp 希土類焼結磁石及びその製造方法、並びに回転機
JP5885907B2 (ja) * 2010-03-30 2016-03-16 Tdk株式会社 希土類焼結磁石及びその製造方法、並びにモータ及び自動車
US9350203B2 (en) 2010-03-30 2016-05-24 Tdk Corporation Rare earth sintered magnet, method for producing the same, motor, and automobile
WO2011122638A1 (ja) 2010-03-30 2011-10-06 Tdk株式会社 焼結磁石、モーター、自動車、及び焼結磁石の製造方法
JP5644170B2 (ja) * 2010-04-23 2014-12-24 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
JP5406112B2 (ja) * 2010-04-27 2014-02-05 インターメタリックス株式会社 粒界拡散処理用塗布装置
JP5831451B2 (ja) * 2010-07-12 2015-12-09 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
JP5853952B2 (ja) * 2010-07-13 2016-02-09 日立金属株式会社 処理装置
KR101707239B1 (ko) 2010-08-23 2017-02-17 한양대학교 산학협력단 η상을 갖는 Ｒ－Ｆｅ－Ｂ계 소결자석 제조방법
WO2012029748A1 (ja) * 2010-08-31 2012-03-08 並木精密宝石株式会社 R-Fe-B系希土類焼結磁石とその製造方法、製造装置、モータ又は発電機
JP5088596B2 (ja) * 2010-09-30 2012-12-05 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
JP5760400B2 (ja) * 2010-11-17 2015-08-12 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系焼結磁石の製造方法
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CN103329220B (zh) * 2011-01-19 2016-08-24 日立金属株式会社 R-t-b系烧结磁体
KR101243347B1 (ko) 2011-01-25 2013-03-13 한양대학교 산학협력단 기계적 물성이 향상된 Ｒ－Ｆｅ－Ｂ계 소결자석 및 이의 제조방법
WO2012102497A2 (en) * 2011-01-25 2012-08-02 Industry-University Cooperation Foundation, Hanyang University R-fe-b sintered magnet with enhanced mechanical properties and method for producing the same
JP5747543B2 (ja) * 2011-02-14 2015-07-15 日立金属株式会社 Ｒｈ拡散源およびそれを用いたｒ−ｔ−ｂ系焼結磁石の製造方法
JP5373834B2 (ja) 2011-02-15 2013-12-18 株式会社豊田中央研究所 希土類磁石およびその製造方法
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JP5742012B2 (ja) * 2011-03-30 2015-07-01 日立金属株式会社 蒸着拡散処理用ケース及びｒ−ｔ−ｂ系焼結磁石の製造方法
JP5887705B2 (ja) * 2011-03-31 2016-03-16 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法及び製造装置
JP5871172B2 (ja) * 2011-04-28 2016-03-01 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
MY174972A (en) 2011-05-02 2020-05-29 Shinetsu Chemical Co Rare earth permanent magnets and their preparation
WO2012157637A1 (ja) 2011-05-17 2012-11-22 日立金属株式会社 磁力特性算出方法、磁力特性算出装置及びコンピュータプログラム
JP5850052B2 (ja) * 2011-06-27 2016-02-03 日立金属株式会社 Ｒｈ拡散源およびそれを用いたｒ−ｔ−ｂ系焼結磁石の製造方法
US9272332B2 (en) * 2011-09-29 2016-03-01 GM Global Technology Operations LLC Near net shape manufacturing of rare earth permanent magnets
CN103650072B (zh) * 2011-12-27 2016-08-17 因太金属株式会社 NdFeB系烧结磁体
CN105206372A (zh) 2011-12-27 2015-12-30 因太金属株式会社 NdFeB系烧结磁体
US9396851B2 (en) * 2011-12-27 2016-07-19 Intermetallics Co., Ltd. NdFeB system sintered magnet
WO2013100010A1 (ja) 2011-12-27 2013-07-04 インターメタリックス株式会社 NdFeB系焼結磁石
US9478332B2 (en) * 2012-01-19 2016-10-25 Hitachi Metals, Ltd. Method for producing R-T-B sintered magnet
KR101341344B1 (ko) * 2012-02-08 2013-12-13 한양대학교 산학협력단 자기특성이 향상된 Ｒ－Ｆｅ－Ｂ계 소결자석 및 이의 제조방법
WO2013146073A1 (ja) * 2012-03-30 2013-10-03 日立金属株式会社 Ｒ－ｔ－ｂ系焼結磁石の製造方法
PH12013000103B1 (en) 2012-04-11 2015-09-07 Shinetsu Chemical Co Rare earth sintered magnet and making method
EP2858074A4 (en) 2012-05-30 2016-02-17 Hitachi Ltd SINTER MAGNET AND METHOD FOR THE PRODUCTION THEREOF
JP5970548B2 (ja) 2012-06-13 2016-08-17 株式会社日立製作所 焼結磁石及びその製造方法
CN104412343B (zh) * 2012-07-12 2018-02-27 日产自动车株式会社 烧结磁铁的制造方法
DE102012221448A1 (de) * 2012-11-23 2014-06-12 Hochschule Aalen Magnetisches Material und Verfahren zu dessen Herstellung
JP6221233B2 (ja) * 2012-12-28 2017-11-01 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石およびその製造方法
CN103050268B (zh) * 2012-12-31 2016-01-20 厦门钨业股份有限公司 基于细粉蒸着热处理的烧结Nd-Fe-B系磁铁制作方法
JP2014135442A (ja) * 2013-01-11 2014-07-24 Ulvac Japan Ltd 永久磁石の製造方法
WO2014108950A1 (ja) * 2013-01-11 2014-07-17 株式会社アルバック 永久磁石の製造方法
JP2014135441A (ja) * 2013-01-11 2014-07-24 Ulvac Japan Ltd 永久磁石の製造方法
US10186374B2 (en) 2013-03-15 2019-01-22 GM Global Technology Operations LLC Manufacturing Nd—Fe—B magnets using hot pressing with reduced dysprosium or terbium
DE102014103210B4 (de) 2013-03-15 2020-03-19 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Herstellen von nd-fe-b-magneten unter verwendung von heisspressen mit verringertem dysprosium oder terbium
US9870862B2 (en) 2013-04-23 2018-01-16 GM Global Technology Operations LLC Method of making non-rectangular magnets
CN103258633B (zh) * 2013-05-30 2015-10-28 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
CN103366944B (zh) * 2013-07-17 2016-08-10 宁波韵升股份有限公司 一种提高烧结钕铁硼磁体性能的方法
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
JP5915637B2 (ja) * 2013-12-19 2016-05-11 トヨタ自動車株式会社 希土類磁石の製造方法
JP6094612B2 (ja) * 2014-02-28 2017-03-15 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
CN104100618B (zh) * 2014-06-26 2016-03-30 中磁科技股份有限公司 加工块状钕铁硼的粘料工装组件
JP2015052324A (ja) * 2014-12-03 2015-03-19 三菱電機株式会社 圧縮機
CN105448444B (zh) * 2014-12-03 2018-09-21 北京中科三环高技术股份有限公司 一种制备性能改善的稀土永磁材料的方法及稀土永磁材料
JP2015092081A (ja) * 2014-12-03 2015-05-14 三菱電機株式会社 圧縮機
JP2015092817A (ja) * 2014-12-03 2015-05-14 三菱電機株式会社 圧縮機
EP3211647B1 (en) 2015-02-27 2018-09-19 Hitachi Metals, Ltd. Method for manufacturing r-t-b based sintered magnet
CN104900359B (zh) 2015-05-07 2017-09-12 安泰科技股份有限公司 复合靶气相沉淀制备晶界扩散稀土永磁材料的方法
CN105845301B (zh) * 2015-08-13 2019-01-25 北京中科三环高技术股份有限公司 稀土永磁体及稀土永磁体的制备方法
WO2017033861A1 (ja) 2015-08-24 2017-03-02 日立金属株式会社 拡散処理装置およびそれを用いたｒ－ｔ－ｂ系焼結磁石の製造方法
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
JP6488976B2 (ja) 2015-10-07 2019-03-27 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
CN109275334A (zh) * 2016-01-25 2019-01-25 Ut巴特勒有限公司 具有选择性表面改性的钕-铁-硼磁体及其制造方法
KR101733181B1 (ko) * 2016-05-02 2017-05-08 성림첨단산업(주) 희토류 소결 자석의 제조방법
US10658107B2 (en) 2016-10-12 2020-05-19 Senju Metal Industry Co., Ltd. Method of manufacturing permanent magnet
JP6380724B1 (ja) 2016-12-01 2018-08-29 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石およびその製造方法
EP3579257A4 (en) 2017-01-31 2020-02-19 Hitachi Metals, Ltd. PROCESS FOR PRODUCING R-T-B SINTERED MAGNET
US10643789B2 (en) 2017-01-31 2020-05-05 Hitachi Metals, Ltd. Method for producing R-T-B sintered magnet
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
CN111489874A (zh) 2019-01-28 2020-08-04 日立金属株式会社 R－t－b系烧结磁体的制造方法
WO2020155113A1 (zh) * 2019-02-01 2020-08-06 天津三环乐喜新材料有限公司 稀土扩散磁体的制备方法及稀土扩散磁体
US11239011B2 (en) 2019-03-25 2022-02-01 Hitachi Metals, Ltd. Sintered R-T-B based magnet
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
CN110853854B (zh) * 2019-11-13 2021-03-16 北京工业大学 一种两步扩散法制备高性能双主相烧结混合稀土铁硼磁体的方法
CN112908672B (zh) * 2020-01-21 2024-02-09 福建省金龙稀土股份有限公司 一种R-Fe-B系稀土烧结磁体的晶界扩散处理方法
KR102573802B1 (ko) * 2020-01-21 2023-09-01 푸젠 창팅 골든 드래곤 레어-어스 컴퍼니 리미티드 R-Fe-B계 소결 자성체 및 그 입계 확산 처리방법
JP7396148B2 (ja) 2020-03-23 2023-12-12 株式会社プロテリアル Ｒ－ｔ－ｂ系焼結磁石の製造方法
JP7298533B2 (ja) * 2020-04-21 2023-06-27 トヨタ自動車株式会社 希土類磁石及びその製造方法
JP7179799B2 (ja) * 2020-04-23 2022-11-29 信越化学工業株式会社 Ｒ－Ｆｅ－Ｂ系焼結磁石
JP2022008212A (ja) 2020-06-24 2022-01-13 Tdk株式会社 Ｒ－ｔ－ｂ系永久磁石およびモータ
KR102428568B1 (ko) * 2020-09-23 2022-08-03 성림첨단산업(주) 전기차 구동용 모터의 성능 향상을 위한 적층분할형 희토류 마그넷의 제조방법
CN116368585B (zh) 2020-09-23 2024-01-05 株式会社博迈立铖 R－t－b系烧结磁体
US20220148801A1 (en) 2020-11-12 2022-05-12 Shin-Etsu Chemical Co., Ltd. Method for Manufacturing Rare Earth Sintered Magnet
CN112670073A (zh) * 2020-12-23 2021-04-16 北京麦戈龙科技有限公司 一种烧结钕铁硼晶界扩散工装及晶界扩散的方法
CN115116725A (zh) 2021-03-23 2022-09-27 日立金属株式会社 R－t－b系烧结磁体的制造方法和r－t－b系烧结磁体

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0742553B2 (ja) 1986-02-18 1995-05-10 住友特殊金属株式会社 永久磁石材料及びその製造方法
JPS636808A (ja) * 1986-06-26 1988-01-12 Shin Etsu Chem Co Ltd 希土類永久磁石
JPH01117303A (ja) * 1987-10-30 1989-05-10 Taiyo Yuden Co Ltd 永久磁石
JPH04120238A (ja) 1990-09-11 1992-04-21 Tdk Corp 希土類焼結合金の製造方法および永久磁石の製造方法
US5383978A (en) 1992-02-15 1995-01-24 Santoku Metal Industry Co., Ltd. Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet
JP3393018B2 (ja) * 1996-08-23 2003-04-07 住友特殊金属株式会社 薄肉Ｒ−Ｆｅ−Ｂ系焼結磁石の製造方法
KR100592471B1 (ko) * 1998-10-14 2006-06-23 히다찌긴조꾸가부시끼가이사 알-티-비계 소결형 영구자석
JP4812147B2 (ja) * 1999-09-07 2011-11-09 株式会社日立製作所 太陽電池の製造方法
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
JP2005285859A (ja) 2004-03-26 2005-10-13 Tdk Corp 希土類磁石及びその製造方法
JP2006100968A (ja) * 2004-09-28 2006-04-13 Nakayo Telecommun Inc 発言者通知機能付き通信端末および発言者通知方法
WO2006043348A1 (ja) * 2004-10-19 2006-04-27 Shin-Etsu Chemical Co., Ltd. 希土類永久磁石材料の製造方法
JP5339722B2 (ja) * 2005-03-18 2013-11-13 株式会社アルバック 成膜方法及び成膜装置並びに永久磁石及び永久磁石の製造方法
MY141999A (en) * 2005-03-23 2010-08-16 Shinetsu Chemical Co Functionally graded rare earth permanent magnet
EP1879201B1 (en) * 2005-04-15 2016-11-30 Hitachi Metals, Ltd. Rare earth sintered magnet and process for producing 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
CN101652821B (zh) * 2007-07-02 2013-06-12 日立金属株式会社 R-Fe-B系稀土类烧结磁铁及其制造方法
KR101474946B1 (ko) * 2007-07-27 2014-12-19 히다찌긴조꾸가부시끼가이사 Ｒ－Ｆｅ－Ｂ계 희토류 소결 자석

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