JPS6442554A - Rare-earth element magnet material - Google Patents

Rare-earth element magnet material

Info

Publication number
JPS6442554A
JPS6442554A JP62196299A JP19629987A JPS6442554A JP S6442554 A JPS6442554 A JP S6442554A JP 62196299 A JP62196299 A JP 62196299A JP 19629987 A JP19629987 A JP 19629987A JP S6442554 A JPS6442554 A JP S6442554A
Authority
JP
Japan
Prior art keywords
rare
earth element
consisting essentially
crystallites
permanent magnet
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.)
Pending
Application number
JP62196299A
Other languages
Japanese (ja)
Inventor
Jun Nakagawa
Tetsuto Yoneyama
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP62196299A priority Critical patent/JPS6442554A/en
Publication of JPS6442554A publication Critical patent/JPS6442554A/en
Pending 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
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B

Abstract

PURPOSE:To obtain the title rare-earth element permanent magnet material having low resistance to deformation and an excellent magnetic characteristic by composing the material of the region of the crystallites consisting of a rare-earth element, a transition metal, and a semimetal and having a high content of the rare-earth element and the region of the crystallites consisting of the same material and having a low content of the rare-earth element. CONSTITUTION:The permanent magnet material has the region consisting essentially of the crystallites having <=2mum mean grain diameter and having a composition of RX(T,M)100-X (where R is a rare-earth element M is a semimetal consisting essentially of B, T is a transition metal consisting essentially of Fe and Co and contains >=1 kind among Zr, Nb, Ti, V, Hf, Ta, and W, and 5<=X<12atom.%) and the region consisting of the crystallites having <=2mum mean grain diameter and having a composition of RX'(T,M)100-X' (where R is a rare-earth element, T is a transition metal consisting essentially of Fe or Fe and Co, M is a semimetal consisting essentially of B, and 12<=X'<=20atom.%). The permanent magnet material has low resistance to deformation and excellent press-formability or plastic workability. Accordingly, the material can be highly densified and made highly anisotropic, and a permanent magnet having an excellent magnetic characteristic can be obtained.
JP62196299A 1987-08-07 1987-08-07 Rare-earth element magnet material Pending JPS6442554A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62196299A JPS6442554A (en) 1987-08-07 1987-08-07 Rare-earth element magnet material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62196299A JPS6442554A (en) 1987-08-07 1987-08-07 Rare-earth element magnet material

Publications (1)

Publication Number Publication Date
JPS6442554A true JPS6442554A (en) 1989-02-14

Family

ID=16355497

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62196299A Pending JPS6442554A (en) 1987-08-07 1987-08-07 Rare-earth element magnet material

Country Status (1)

Country Link
JP (1) JPS6442554A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007524986A (en) * 2003-02-06 2007-08-30 マグネクエンチ，インコーポレーテッド Highly quenchable Fe-based rare earth material to replace ferrite
JP2018073988A (en) * 2016-10-28 2018-05-10 ミネベアミツミ株式会社 Isotropic bulk magnet, and method for manufacturing the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007524986A (en) * 2003-02-06 2007-08-30 マグネクエンチ，インコーポレーテッド Highly quenchable Fe-based rare earth material to replace ferrite
JP4755080B2 (en) * 2003-02-06 2011-08-24 マグネクエンチ，インコーポレーテッド Highly quenchable Fe-based rare earth material to replace ferrite
JP2018073988A (en) * 2016-10-28 2018-05-10 ミネベアミツミ株式会社 Isotropic bulk magnet, and method for manufacturing the same

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