ATE94682T1 - Verfahren zur erzeugung von seltenerd¨bergangsmetall-legierungsmagneten. - Google Patents

Verfahren zur erzeugung von seltenerd¨bergangsmetall-legierungsmagneten.

Info

Publication number
ATE94682T1
ATE94682T1 AT88200306T AT88200306T ATE94682T1 AT E94682 T1 ATE94682 T1 AT E94682T1 AT 88200306 T AT88200306 T AT 88200306T AT 88200306 T AT88200306 T AT 88200306T AT E94682 T1 ATE94682 T1 AT E94682T1
Authority
AT
Austria
Prior art keywords
hydrogen
transition metal
rare earth
earth transition
production
Prior art date
Application number
AT88200306T
Other languages
English (en)
Inventor
Ewoud Rozendaal
Original Assignee
Philips Nv
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=10613089&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE94682(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of ATE94682T1 publication Critical patent/ATE94682T1/de

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
    • 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
    • H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
AT88200306T 1987-02-27 1988-02-22 Verfahren zur erzeugung von seltenerd¨bergangsmetall-legierungsmagneten. ATE94682T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8704713A GB2201426B (en) 1987-02-27 1987-02-27 Improved method for the manufacture of rare earth transition metal alloy magnets
EP88200306A EP0280372B1 (de) 1987-02-27 1988-02-22 Verfahren zur Erzeugung von Seltenerd-Übergangsmetall-Legierungsmagneten

Publications (1)

Publication Number Publication Date
ATE94682T1 true ATE94682T1 (de) 1993-10-15

Family

ID=10613089

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88200306T ATE94682T1 (de) 1987-02-27 1988-02-22 Verfahren zur erzeugung von seltenerd¨bergangsmetall-legierungsmagneten.

Country Status (6)

Country Link
US (1) US4853045A (de)
EP (1) EP0280372B1 (de)
JP (1) JPS63227002A (de)
AT (1) ATE94682T1 (de)
DE (1) DE3884011T2 (de)
GB (1) GB2201426B (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
US5026438A (en) * 1988-07-14 1991-06-25 General Motors Corporation Method of making self-aligning anisotropic powder for magnets
US5244510A (en) * 1989-06-13 1993-09-14 Yakov Bogatin Magnetic materials and process for producing the same
US5114502A (en) * 1989-06-13 1992-05-19 Sps Technologies, Inc. Magnetic materials and process for producing the same
US5122203A (en) * 1989-06-13 1992-06-16 Sps Technologies, Inc. Magnetic materials
US5266128A (en) * 1989-06-13 1993-11-30 Sps Technologies, Inc. Magnetic materials and process for producing the same
US5129964A (en) * 1989-09-06 1992-07-14 Sps Technologies, Inc. Process for making nd-b-fe type magnets utilizing a hydrogen and oxygen treatment
FR2655355B1 (fr) * 1989-12-01 1993-06-18 Aimants Ugimag Sa Alliage pour aimant permanent type fe nd b, aimant permanent fritte et procede d'obtention.
US5143560A (en) * 1990-04-20 1992-09-01 Hitachi Metals, Inc., Ltd. Method for forming Fe-B-R-T alloy powder by hydrogen decrepitation of die-upset billets
FR2665295B1 (fr) * 1990-07-25 1994-09-16 Aimants Ugimag Sa Methode d'obtention sous forme divisee d'un materiau magnetique de type terre-rare - metaux de transition - bore pour des aimants resistant a la corrosion.
US5091020A (en) * 1990-11-20 1992-02-25 Crucible Materials Corporation Method and particle mixture for making rare earth element, iron and boron permanent sintered magnets
FR2698999B1 (fr) * 1992-12-08 1995-01-06 Ugimag Sa Poudre magnétique de type Fe-TR-B et aimants frittés correspondants et leur méthode de préparation.
US5482575A (en) * 1992-12-08 1996-01-09 Ugimag Sa Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
DE69318147T2 (de) * 1993-07-06 1998-11-12 Sumitomo Spec Metals R-Fe-B Dauermagnetmaterialien und ihre Herstellungsverfahren
US5595608A (en) * 1993-11-02 1997-01-21 Tdk Corporation Preparation of permanent magnet
US5454998A (en) * 1994-02-04 1995-10-03 Ybm Technologies, Inc. Method for producing permanent magnet
JPH11329811A (ja) * 1998-05-18 1999-11-30 Sumitomo Special Metals Co Ltd Ｒ−Ｆｅ−Ｂ系磁石用原料粉末並びにＲ−Ｆｅ−Ｂ系磁石の製造方法
CN1191903C (zh) * 2001-06-29 2005-03-09 株式会社新王磁材 对稀土合金进行氢化处理的装置和利用该装置制造稀土烧结磁体的方法
DE10134259A1 (de) * 2001-07-18 2003-02-06 Zf Lemfoerder Metallwaren Ag Kugelgelenk mit integriertem Winkelsensor
JP4477820B2 (ja) * 2002-10-03 2010-06-09 本田技研工業株式会社 燃料電池の排出ガス処理装置
KR100524827B1 (ko) * 2003-04-02 2005-11-01 자화전자 주식회사 희토류자석 제조의 고이방화 종축 성형방법 및 그 장치
CN100408231C (zh) * 2005-12-23 2008-08-06 上海大学 各向异性钕铁硼粘结磁体的成型方法及其装置
US8572830B2 (en) 2011-03-14 2013-11-05 Apple Inc. Method and apparatus for producing magnetic attachment system
CN104681268B (zh) * 2013-11-28 2018-02-23 湖南稀土金属材料研究院 一种提高烧结钕铁硼磁体矫顽力的处理方法
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
KR102093491B1 (ko) * 2017-11-28 2020-03-25 주식회사 엘지화학 소결 자석의 제조 방법 및 소결 자석
CN115383122B (zh) * 2022-08-25 2023-07-14 太原科技大学 一种2:17型烧结钐钴永磁体的氢碎制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH551077A (de) * 1970-11-13 1974-06-28 Bbc Brown Boveri & Cie Verfahren zur herstellung von feinpartikel-dauermagneten.
GB1554384A (en) * 1977-04-15 1979-10-17 Magnetic Polymers Ltd Rare earth metal alloy magnets
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
JPS6063304A (ja) * 1983-09-17 1985-04-11 Sumitomo Special Metals Co Ltd 希土類・ボロン・鉄系永久磁石用合金粉末の製造方法
JPS60119701A (ja) * 1983-12-01 1985-06-27 Sumitomo Special Metals Co Ltd 希土類・ボロン・鉄系永久磁石用合金粉末の製造方法
US4585473A (en) * 1984-04-09 1986-04-29 Crucible Materials Corporation Method for making rare-earth element containing permanent magnets
FR2566758B1 (fr) * 1984-06-29 1990-01-12 Centre Nat Rech Scient Nouveaux hydrures de terre rare/fer/bore et terre rare/cobalt/bore magnetiques, leur procede de fabrication et de fabrication des produits deshydrures pulverulents correspondants, leurs applications
JPS61139603A (ja) * 1984-12-12 1986-06-26 Namiki Precision Jewel Co Ltd 永久磁石合金の製造方法
JPS61199005A (ja) * 1985-02-28 1986-09-03 Daido Steel Co Ltd 磁性粉末の製造方法
JPH0663304A (ja) * 1992-08-19 1994-03-08 Tsukada Fuainesu:Kk 真空蒸留装置

Also Published As

Publication number Publication date
DE3884011T2 (de) 1994-04-07
EP0280372B1 (de) 1993-09-15
GB8704713D0 (en) 1987-04-01
GB2201426A (en) 1988-09-01
US4853045A (en) 1989-08-01
GB2201426B (en) 1990-05-30
EP0280372A1 (de) 1988-08-31
DE3884011D1 (de) 1993-10-21
JPS63227002A (ja) 1988-09-21

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Legal Events

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UEP Publication of translation of european patent specification
RZN Patent revoked