DE69118577D1 - Seltenerd-basierte magnetische Materialien, Herstellungsverfahren und Anwendung - Google Patents

Seltenerd-basierte magnetische Materialien, Herstellungsverfahren und Anwendung

Info

Publication number
DE69118577D1
DE69118577D1 DE69118577T DE69118577T DE69118577D1 DE 69118577 D1 DE69118577 D1 DE 69118577D1 DE 69118577 T DE69118577 T DE 69118577T DE 69118577 T DE69118577 T DE 69118577T DE 69118577 D1 DE69118577 D1 DE 69118577D1
Authority
DE
Germany
Prior art keywords
value
rare earth
application
manufacturing process
magnetic materials
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69118577T
Other languages
English (en)
Other versions
DE69118577T2 (de
Inventor
John Michael David Coey
Hong Sun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin
Original Assignee
College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin
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
Application filed by College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin filed Critical College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin
Application granted granted Critical
Publication of DE69118577D1 publication Critical patent/DE69118577D1/de
Publication of DE69118577T2 publication Critical patent/DE69118577T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
    • 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

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)
DE69118577T 1990-09-04 1991-04-17 Seltenerd-basierte magnetische Materialien, Herstellungsverfahren und Anwendung Expired - Fee Related DE69118577T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IE320190 1990-09-04
IE67191 1991-02-28
IE135990A IE76721B1 (en) 1990-09-04 1991-04-18 Rare-earth based magnetic materials production process and use

Publications (2)

Publication Number Publication Date
DE69118577D1 true DE69118577D1 (de) 1996-05-15
DE69118577T2 DE69118577T2 (de) 1996-11-14

Family

ID=27270319

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118577T Expired - Fee Related DE69118577T2 (de) 1990-09-04 1991-04-17 Seltenerd-basierte magnetische Materialien, Herstellungsverfahren und Anwendung

Country Status (7)

Country Link
EP (1) EP0453270B1 (de)
JP (1) JPH06349612A (de)
AT (1) ATE136680T1 (de)
CA (1) CA2040686A1 (de)
DE (1) DE69118577T2 (de)
IE (1) IE76721B1 (de)
PT (1) PT97411A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991019300A1 (en) * 1990-06-08 1991-12-12 Sps Technologies, Incorporated Improved magnetic materials and process for producing the same
DE4023575A1 (de) * 1990-07-25 1992-01-30 Siemens Ag Verfahren zur herstellung von magnetmaterial auf basis des stromsystems sm-fe-n
US5288339A (en) * 1990-07-25 1994-02-22 Siemens Aktiengesellschaft Process for the production of magnetic material based on the Sm-Fe-N system of elements
DE4116857A1 (de) * 1991-05-23 1992-11-26 Siemens Ag Magnetmaterial mit thmn(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)2(pfeil abwaerts)-kristallstruktur und verfahren zu dessen herstellung
DE4135122A1 (de) * 1991-10-24 1993-04-29 Vacuumschmelze Gmbh Verfahren zur herstellung eines n-haltigen dauermagneten, wie sm2fe17n durch zusatz einer festen, n-haltigen verbindung
GB9217760D0 (en) * 1992-08-21 1992-10-07 Martinex R & D Inc Permanent manget material containing a rare-earth element,iron,nitrogen & carbon
DE4237346C1 (de) * 1992-11-05 1993-12-02 Goldschmidt Ag Th Verfahren zur Herstellung von Legierungen der Seltenen Erden des Typs SE¶2¶Fe¶1¶¶7¶¶-¶¶x¶M¶x¶N¶y¶
US5403407A (en) * 1993-04-08 1995-04-04 University Of Delaware Permanent magnets made from iron alloys
JP3304726B2 (ja) * 1995-11-28 2002-07-22 住友金属鉱山株式会社 希土類−鉄−窒素系磁石合金
CN100437841C (zh) 2006-09-19 2008-11-26 北京大学 各向异性稀土永磁材料及其磁粉和磁体的制造方法
US8145766B2 (en) 2007-08-08 2012-03-27 Research In Motion Limited Method for pre-fetching data chunks of an email attachment on a portable electronic device
JP5055345B2 (ja) * 2009-11-30 2012-10-24 株式会社日立製作所 強磁性化合物磁石
JP6248689B2 (ja) * 2014-02-20 2017-12-20 日立金属株式会社 強磁性合金およびその製造方法
US10062482B2 (en) 2015-08-25 2018-08-28 GM Global Technology Operations LLC Rapid consolidation method for preparing bulk metastable iron-rich materials

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402770A (en) * 1981-10-23 1983-09-06 The United States Of America As Represented By The Secretary Of The Navy Hard magnetic alloys of a transition metal and lanthanide
JPS60131949A (ja) * 1983-12-19 1985-07-13 Hitachi Metals Ltd 鉄−希土類−窒素系永久磁石
JPS60144909A (ja) * 1984-01-06 1985-07-31 Daido Steel Co Ltd 永久磁石材料の製造方法
JPS60176202A (ja) * 1984-02-22 1985-09-10 Hitachi Metals Ltd 鉄−希土類−窒素系永久磁石
JPH0685369B2 (ja) * 1985-05-17 1994-10-26 日立金属株式会社 永久磁石の製造方法
JPH01274401A (ja) * 1988-04-26 1989-11-02 Tdk Corp 永久磁石
DE4025277A1 (de) * 1990-08-09 1992-02-13 Siemens Ag Verfahren zur herstellung eines anisotropen magnetmaterials auf basis des stoffsystems sm-fe-n

Also Published As

Publication number Publication date
IE76721B1 (en) 1997-11-05
IE901359A1 (en) 1991-11-06
ATE136680T1 (de) 1996-04-15
EP0453270B1 (de) 1996-04-10
DE69118577T2 (de) 1996-11-14
JPH06349612A (ja) 1994-12-22
PT97411A (pt) 1992-01-31
EP0453270A3 (de) 1991-11-27
EP0453270A2 (de) 1991-10-23
CA2040686A1 (en) 1991-10-19

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee