JPS64704A - Rare earth-iron system permanent magnet - Google Patents

Rare earth-iron system permanent magnet

Info

Publication number
JPS64704A
JPS64704A JP63047988A JP4798888A JPS64704A JP S64704 A JPS64704 A JP S64704A JP 63047988 A JP63047988 A JP 63047988A JP 4798888 A JP4798888 A JP 4798888A JP S64704 A JPS64704 A JP S64704A
Authority
JP
Japan
Prior art keywords
crystal grains
alloy
hot working
casted
rare earth
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
JP63047988A
Other languages
English (en)
Other versions
JPH01704A (ja
Inventor
Koji Akioka
Osamu Kobayashi
Toshiaki Yamagami
Tatsuya Shimoda
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of JPH01704A publication Critical patent/JPH01704A/ja
Publication of JPS64704A publication Critical patent/JPS64704A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • 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
    • B22F9/023—Hydrogen absorption
    • 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
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • 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
    • C22C38/10—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
    • C22C38/16—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
    • H01F1/057—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
    • H01F1/0576—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 pressed, e.g. hot working
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
JP63047988A 1987-03-02 1988-03-01 Rare earth-iron system permanent magnet Pending JPS64704A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4704287 1987-03-02
JP62-47042 1987-03-02

Publications (2)

Publication Number Publication Date
JPH01704A JPH01704A (ja) 1989-01-05
JPS64704A true JPS64704A (en) 1989-01-05

Family

ID=12764110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63047988A Pending JPS64704A (en) 1987-03-02 1988-03-01 Rare earth-iron system permanent magnet

Country Status (7)

Country Link
US (1) US5125988A (ja)
EP (1) EP0302947B1 (ja)
JP (1) JPS64704A (ja)
KR (1) KR960008185B1 (ja)
AT (1) ATE107076T1 (ja)
DE (1) DE3889996T2 (ja)
WO (1) WO1988006797A1 (ja)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01175206A (ja) * 1987-12-28 1989-07-11 Seiko Epson Corp 希土類―鉄系永久磁石の製造方法
JPH023206A (ja) * 1988-06-20 1990-01-08 Seiko Epson Corp 希土類−鉄系永久磁石
JPH023207A (ja) * 1988-06-20 1990-01-08 Seiko Epson Corp 永久磁石
US4995905A (en) * 1988-10-06 1991-02-26 Masato Sagawa Permanent magnet having improved heat-treatment characteristics and method for producing the same
US5009706A (en) * 1989-08-04 1991-04-23 Nippon Steel Corporation Rare-earth antisotropic powders and magnets and their manufacturing processes
JPH03214605A (ja) * 1990-01-19 1991-09-19 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
JPH03214609A (ja) * 1990-01-19 1991-09-19 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
JPH03214604A (ja) * 1990-01-19 1991-09-19 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
JPH03214606A (ja) * 1990-01-19 1991-09-19 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
JPH03214608A (ja) * 1990-01-19 1991-09-19 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
JPH05503810A (ja) * 1989-06-23 1993-06-17 センタ　ナショナル　デ　ラ　リシェルシェ　サイエンティフィック（シーエヌアールエス） ネオジウム―鉄―ほう素をベースとした永久磁石の調製方法
JPH06220502A (ja) * 1992-06-22 1994-08-09 General Motors Corp <Gm> 溶融紡糸リボンからの細粒化異方性粉末の製造
KR100345995B1 (ko) * 1997-02-06 2002-07-24 스미토모 도큐슈 긴조쿠 가부시키가이샤 미세한 결정 조직을 갖는 박판 자석의 제조 방법
WO2011017532A2 (en) 2009-08-05 2011-02-10 International Paper Company Process for applying composition containing a cationic trivalent metal and debonder and fluff pulp sheet made from same
JP2012204599A (ja) * 2011-03-25 2012-10-22 Toshiba Corp 永久磁石とそれを用いたモータおよび発電機
JP2013138258A (ja) * 2013-03-26 2013-07-11 Toshiba Corp 永久磁石とそれを用いたモータおよび発電機

Families Citing this family (15)

* 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
IE891581A1 (en) * 1988-06-20 1991-01-02 Seiko Epson Corp Permanent magnet and a manufacturing method thereof
WO1992020081A1 (en) * 1991-04-25 1992-11-12 Seiko Epson Corporation Method of producing a rare earth permanent magnet
DE69318998T2 (de) * 1992-02-15 1998-10-15 Santoku Metal Ind Legierungsblock für einen Dauermagnet, anisotropes Pulver für einen Dauermagnet, Verfahren zur Herstellung eines solchen und Dauermagneten
DE19541948A1 (de) * 1995-11-10 1997-05-15 Schramberg Magnetfab Magnetmaterial und Dauermagnet des NdFeB-Typs
GB2308384B (en) * 1995-12-21 1999-09-15 Univ Hull Magnetic materials
US6277211B1 (en) * 1999-09-30 2001-08-21 Magnequench Inc. Cu additions to Nd-Fe-B alloys to reduce oxygen content in the ingot and rapidly solidified ribbon
DE60143830D1 (de) * 2000-08-11 2011-02-24 Nissan Motor Anisotroper Magnet und zugehöriges Herstellungsverfahren
JP4831253B2 (ja) * 2008-06-13 2011-12-07 日立金属株式会社 Ｒ−Ｔ−Ｃｕ−Ｍｎ−Ｂ系焼結磁石
JP2010215972A (ja) * 2009-03-17 2010-09-30 Toyota Motor Corp ＮｄＦｅＢＣｕ磁石材料
JP6044504B2 (ja) * 2012-10-23 2016-12-14 トヨタ自動車株式会社 希土類磁石の製造方法
KR101451510B1 (ko) * 2013-05-14 2014-10-15 삼성전기주식회사 Nd계 희토류 소결 자석의 제조방법
CN103531322B (zh) * 2013-05-15 2016-04-13 锡山区羊尖泓之盛五金厂 一种硬磁合金
CN107077935A (zh) * 2014-12-08 2017-08-18 Lg电子株式会社 包含非磁性合金的热压变形的磁体及其制造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61238915A (ja) * 1985-04-16 1986-10-24 Hitachi Metals Ltd 永久磁石合金およびその製造方法
JPH01175206A (ja) * 1987-12-28 1989-07-11 Seiko Epson Corp 希土類―鉄系永久磁石の製造方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2137707A1 (de) * 1971-07-28 1973-02-08 Friedrich Meyer Stahl Und Roeh Verfahren und vorrichtung zum waermebehandeln von metallischem walzgut
JPS5921369B2 (ja) * 1976-10-25 1984-05-19 新日本製鐵株式会社 伸線加工性が優れた高張力高炭素鋼線材の製造法
DE2932729C2 (de) * 1979-08-13 1987-08-20 Kocks Technik GmbH & Co, 4000 Düsseldorf Kühlstrecke zum Abkühlen von walzwarmem Draht
JPS5647538A (en) * 1979-09-27 1981-04-30 Hitachi Metals Ltd Alloy for permanent magnet
JPS59132105A (ja) * 1983-01-19 1984-07-30 Sumitomo Special Metals Co Ltd 永久磁石用合金
DE3381482D1 (de) * 1983-05-06 1990-05-23 Sumitomo Spec Metals Isotrope magneten und verfahren zu ihrer herstellung.
US4902361A (en) * 1983-05-09 1990-02-20 General Motors Corporation Bonded rare earth-iron magnets
JPS6032306A (ja) * 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd 永久磁石
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
DE3479940D1 (en) * 1983-10-26 1989-11-02 Gen Motors Corp High energy product rare earth-transition metal magnet alloys containing boron
JPS60152008A (ja) * 1984-01-20 1985-08-10 Tdk Corp 永久磁石用材料
JPS60218457A (ja) * 1984-04-12 1985-11-01 Seiko Epson Corp 永久磁石合金
CA1244322A (en) * 1984-09-14 1988-11-08 Robert W. Lee Hot pressed permanent magnet having high and low coercivity regions
JPS61117226A (ja) * 1984-11-13 1986-06-04 Kawasaki Steel Corp 高強度高靭性硬鋼線材の製造方法
JPS61119005A (ja) * 1984-11-15 1986-06-06 Hitachi Metals Ltd 鉄−希土類−ホウ素系永久磁石の製造方法
JPS61225814A (ja) * 1985-03-30 1986-10-07 Toshiba Corp 永久磁石の製造方法
JPS61268006A (ja) * 1985-05-23 1986-11-27 Tdk Corp 異方性磁石
FR2586323B1 (fr) * 1985-08-13 1992-11-13 Seiko Epson Corp Aimant permanent a base de terres rares-fer
JPS62101004A (ja) * 1985-10-28 1987-05-11 Seiko Epson Corp 希土類−鉄系永久磁石
JPH0663304A (ja) * 1992-08-19 1994-03-08 Tsukada Fuainesu:Kk 真空蒸留装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61238915A (ja) * 1985-04-16 1986-10-24 Hitachi Metals Ltd 永久磁石合金およびその製造方法
JPH01175206A (ja) * 1987-12-28 1989-07-11 Seiko Epson Corp 希土類―鉄系永久磁石の製造方法

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01175206A (ja) * 1987-12-28 1989-07-11 Seiko Epson Corp 希土類―鉄系永久磁石の製造方法
JPH023206A (ja) * 1988-06-20 1990-01-08 Seiko Epson Corp 希土類−鉄系永久磁石
JPH023207A (ja) * 1988-06-20 1990-01-08 Seiko Epson Corp 永久磁石
US4995905A (en) * 1988-10-06 1991-02-26 Masato Sagawa Permanent magnet having improved heat-treatment characteristics and method for producing the same
JPH05503810A (ja) * 1989-06-23 1993-06-17 センタ　ナショナル　デ　ラ　リシェルシェ　サイエンティフィック（シーエヌアールエス） ネオジウム―鉄―ほう素をベースとした永久磁石の調製方法
US5009706A (en) * 1989-08-04 1991-04-23 Nippon Steel Corporation Rare-earth antisotropic powders and magnets and their manufacturing processes
JPH03214606A (ja) * 1990-01-19 1991-09-19 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
JPH03214604A (ja) * 1990-01-19 1991-09-19 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
JPH03214609A (ja) * 1990-01-19 1991-09-19 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
JPH03214608A (ja) * 1990-01-19 1991-09-19 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
JPH03214605A (ja) * 1990-01-19 1991-09-19 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
JPH06220502A (ja) * 1992-06-22 1994-08-09 General Motors Corp <Gm> 溶融紡糸リボンからの細粒化異方性粉末の製造
KR100345995B1 (ko) * 1997-02-06 2002-07-24 스미토모 도큐슈 긴조쿠 가부시키가이샤 미세한 결정 조직을 갖는 박판 자석의 제조 방법
WO2011017532A2 (en) 2009-08-05 2011-02-10 International Paper Company Process for applying composition containing a cationic trivalent metal and debonder and fluff pulp sheet made from same
JP2012204599A (ja) * 2011-03-25 2012-10-22 Toshiba Corp 永久磁石とそれを用いたモータおよび発電機
JP2013138258A (ja) * 2013-03-26 2013-07-11 Toshiba Corp 永久磁石とそれを用いたモータおよび発電機

Also Published As

Publication number Publication date
KR960008185B1 (ko) 1996-06-20
DE3889996T2 (de) 1994-09-15
EP0302947B1 (en) 1994-06-08
EP0302947A1 (en) 1989-02-15
EP0302947A4 (en) 1990-03-08
DE3889996D1 (de) 1994-07-14
KR890700911A (ko) 1989-04-28
WO1988006797A1 (en) 1988-09-07
ATE107076T1 (de) 1994-06-15
US5125988A (en) 1992-06-30

Similar Documents

Publication Publication Date Title
JPS64704A (en) Rare earth-iron system permanent magnet
JP5543970B2 (ja) 磁気歪材料およびその調製方法
CN109778074A (zh) 一种高矫顽力铝镍钴永磁合金及其制备方法
KR880002207A (ko) 희토류금속-천이금속-붕소영구자석 제조를 위한 고에너지 볼-밀링(ball-milling) 방법
Satyanarayana et al. Magnetic properties of substituted Sm2Co17− xTx compounds (T= V, Ti, Zr, and Hf)
Homma et al. High‐energy Fe‐Cr‐Co permanent magnets with (BH) max≃ 8–10 MG Oe
EP0049141B1 (en) Iron-chromium-base spinodal decomposition-type magnetic (hard or semi-hard) alloy
EP0216457A1 (en) Method of producing two-phase separation type Fe-Cr-Co series permanent magnets
JPS56112449A (en) Treatment of amorphous magnetic alloy material
US4311537A (en) Low-cobalt Fe-Cr-Co permanent magnet alloy processing
JPS56254A (en) Spinodal decomposition type fe-cr-mo-co permanent magnet alloy
JP2768779B2 (ja) 強磁性材料
Burzo et al. Magnetic properties of Gd2Fe14-xAlxB compounds
JP3080275B2 (ja) 耐食性および耐熱性に優れたＲ−Ｆｅ−Ｃｏ−Ａｌ−Ｎｂ−Ｇａ−Ｂ系焼結磁石及びその製造方法
CN1434466A (zh) 高工作温度和高热稳定性的稀土磁性材料的组成
JPS61119005A (ja) 鉄−希土類−ホウ素系永久磁石の製造方法
Stadelmaier Summary of magnet development in the past two years
JPS56169722A (en) Manufacture of magnetic alloy
Pedziwiatr et al. Structure and magnetic properties of R 2 Fe 14-x Si x B compounds (R= Pr, Nd, and Er)
US3259530A (en) Method of double ageing a magnetic hysteresis alloy
松下祐基 et al. Industrial Production of Fe-Cr-Co Permanent Magnet with High Br
JPH05315119A (ja) 希土類永久磁石およびその製造方法
JPS55154706A (en) Manufacture of rare earth element and cobalt material for permanent magnet
JPS61270316A (ja) 樹脂結合永久磁石用原料粉体の製造方法
Linwei et al. The Magnetism of Ce sub x Sm sub 1--x(Co, Cu, Mn) sub 6. 8 Permanent Magnet