DE3783413D1 - Verfahren zur herstellung eines seltenerd-eisen-bor-dauermagneten mit hilfe eines abgeschreckten legierungspuders. - Google Patents

Verfahren zur herstellung eines seltenerd-eisen-bor-dauermagneten mit hilfe eines abgeschreckten legierungspuders.

Info

Publication number
DE3783413D1
DE3783413D1 DE8787113557T DE3783413T DE3783413D1 DE 3783413 D1 DE3783413 D1 DE 3783413D1 DE 8787113557 T DE8787113557 T DE 8787113557T DE 3783413 T DE3783413 T DE 3783413T DE 3783413 D1 DE3783413 D1 DE 3783413D1
Authority
DE
Germany
Prior art keywords
quarked
bor
rare
aid
producing
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
DE8787113557T
Other languages
English (en)
Other versions
DE3783413T2 (de
Inventor
Tsutomu C O Tokin Corpo Otsuka
Etsuo C O Tokin Corpora Otsuki
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.)
Tokin Corp
Original Assignee
Tokin 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
Priority claimed from JP62018709A external-priority patent/JPS63278208A/ja
Priority claimed from JP62085676A external-priority patent/JPS63252403A/ja
Priority claimed from JP62087917A external-priority patent/JP2700643B2/ja
Priority claimed from JP62120826A external-priority patent/JPS63197305A/ja
Application filed by Tokin Corp filed Critical Tokin Corp
Application granted granted Critical
Publication of DE3783413D1 publication Critical patent/DE3783413D1/de
Publication of DE3783413T2 publication Critical patent/DE3783413T2/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
    • 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
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/08—Metallic powder characterised by particles having an amorphous microstructure
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/09—Mixtures of metallic powders
    • 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
    • B22F9/002—Making metallic powder or suspensions thereof amorphous or microcrystalline
    • B22F9/008—Rapid solidification processing
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
DE8787113557T 1986-09-16 1987-09-16 Verfahren zur herstellung eines seltenerd-eisen-bor-dauermagneten mit hilfe eines abgeschreckten legierungspuders. Expired - Fee Related DE3783413T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP21762986 1986-09-16
JP62018709A JPS63278208A (ja) 1987-01-30 1987-01-30 希土類永久磁石の製造方法
JP62085676A JPS63252403A (ja) 1987-04-09 1987-04-09 液体急冷合金複合型希土類永久磁石とその製造方法
JP62087917A JP2700643B2 (ja) 1987-04-11 1987-04-11 耐酸化性に優れた希土類永久磁石の製造方法
JP62120826A JPS63197305A (ja) 1986-05-17 1987-05-18 希土類永久磁石とその製造方法

Publications (2)

Publication Number Publication Date
DE3783413D1 true DE3783413D1 (de) 1993-02-18
DE3783413T2 DE3783413T2 (de) 1993-05-27

Family

ID=27520067

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787113557T Expired - Fee Related DE3783413T2 (de) 1986-09-16 1987-09-16 Verfahren zur herstellung eines seltenerd-eisen-bor-dauermagneten mit hilfe eines abgeschreckten legierungspuders.

Country Status (3)

Country Link
US (2) US4898625A (de)
EP (1) EP0261579B1 (de)
DE (1) DE3783413T2 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5000800A (en) * 1988-06-03 1991-03-19 Masato Sagawa Permanent magnet and method for producing the same
JP2787580B2 (ja) * 1988-10-06 1998-08-20 眞人 佐川 熱処理性がすぐれたＮｄ−Ｆｅ−Ｂ系焼結磁石
DE68915680T2 (de) * 1988-10-17 1994-12-15 Philips Nv Verfahren zum Herstellen eines Dauermagneten.
JPH02288305A (ja) * 1989-04-28 1990-11-28 Nippon Steel Corp 希土類磁石及びその製造方法
JP2675430B2 (ja) * 1989-10-12 1997-11-12 川崎製鉄株式会社 耐蝕性希土類―遷移金属系磁石およびその製造方法
US5447578A (en) * 1989-10-12 1995-09-05 Kawasaki Steel Corporation Corrosion-resistant rare earth metal-transition metal series magnets and method of producing the same
DE4007533C1 (de) * 1990-03-09 1991-08-29 Magnetfabrik Schramberg Gmbh & Co, 7230 Schramberg, De
US5240627A (en) * 1990-07-24 1993-08-31 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Bonded rare earth magnet and a process for manufacturing the same
EP0468449B1 (de) * 1990-07-24 1994-03-16 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Gebundener Seltenerdmagnet und Verfahren zur Herstellung
US5300156A (en) * 1990-07-24 1994-04-05 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Bonded rare earth magnet and a process for manufacturing the same
US5405455A (en) * 1991-06-04 1995-04-11 Shin-Etsu Chemical Co. Ltd. Rare earth-based permanent magnet
JP2782024B2 (ja) * 1992-01-29 1998-07-30 住友特殊金属株式会社 Ｒ−Ｆｅ−Ｂ系永久磁石用原料粉末の製造方法
US5387291A (en) * 1992-03-19 1995-02-07 Sumitomo Special Metals Co., Ltd. Process for producing alloy powder material for R-Fe-B permanent magnets and alloy powder for adjusting the composition therefor
US5624503A (en) * 1992-12-24 1997-04-29 Matsushita Electric Industrial Co., Ltd. Process for producing Nd-Fe-B magnet
US5690752A (en) * 1993-06-14 1997-11-25 Santoku Metal Industry Co., Ltd. Permanent magnet containing rare earth metal, boron and iron
US5788782A (en) * 1993-10-14 1998-08-04 Sumitomo Special Metals Co., Ltd. R-FE-B permanent magnet materials and process of producing the same
EP1073069A1 (de) * 1993-11-02 2001-01-31 TDK Corporation Herstellung eines Dauermagnets
US5641363A (en) * 1993-12-27 1997-06-24 Tdk Corporation Sintered magnet and method for making
JP3234741B2 (ja) * 1995-04-25 2001-12-04 昭和電工株式会社 希土類磁石用合金及びその製造方法
US6328825B1 (en) 1997-11-12 2001-12-11 Showa Denko K.K. Alloy used for production of a rare-earth magnet and method for producing the same
US6319335B1 (en) * 1999-02-15 2001-11-20 Shin-Etsu Chemical Co., Ltd. Quenched thin ribbon of rare earth/iron/boron-based magnet alloy
DE19910182B4 (de) * 1999-03-08 2013-12-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung und Magnetisierung permanentmagnetischer Folien
DE60028659T2 (de) 1999-06-08 2007-05-31 Shin-Etsu Chemical Co., Ltd. Dünnes Band einer dauermagnetischen Legierung auf Seltenerdbasis
JP3233359B2 (ja) * 2000-03-08 2001-11-26 住友特殊金属株式会社 希土類合金磁性粉末成形体の作製方法および希土類磁石の製造方法
JP3231034B1 (ja) * 2000-05-09 2001-11-19 住友特殊金属株式会社 希土類磁石およびその製造方法
US6746545B2 (en) * 2000-05-31 2004-06-08 Shin-Etsu Chemical Co., Ltd. Preparation of rare earth permanent magnets
US7199690B2 (en) * 2003-03-27 2007-04-03 Tdk Corporation R-T-B system rare earth permanent magnet
US20050062572A1 (en) * 2003-09-22 2005-03-24 General Electric Company Permanent magnet alloy for medical imaging system and method of making
JP5401328B2 (ja) * 2008-02-20 2014-01-29 株式会社アルバック スクラップ磁石の再生方法
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
CN102822912B (zh) * 2010-03-30 2015-07-22 Tdk株式会社 稀土类烧结磁铁以及其制造方法、马达以及汽车
CN102248158A (zh) * 2010-09-03 2011-11-23 哈尔滨工业大学 超疏水磁性粉末的制备方法
CN103081035A (zh) * 2010-09-06 2013-05-01 大发工业株式会社 磁性材料及其制造方法
JP6033768B2 (ja) * 2011-03-16 2016-11-30 ダイハツ工業株式会社 磁性材料の製造方法
CN102930974B (zh) * 2012-10-11 2015-06-24 厦门钨业股份有限公司 一种基于湿度调节的烧结Nd-Fe-B系磁铁的制作方法
CN110957093B (zh) * 2019-12-19 2021-06-11 厦门钨业股份有限公司 R-t-b系磁体材料、原料组合物及制备方法和应用
CN113444982A (zh) * 2020-03-25 2021-09-28 Neo新材料技术（新加坡）私人有限公司 合金粉末及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
EP0108474B2 (de) * 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B Legierungen, deren Herstellung und permanent Magnete die solche Legierungen enthalten
DE3379084D1 (en) * 1982-09-27 1989-03-02 Sumitomo Spec Metals Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth)
JPS6187825A (ja) * 1984-10-05 1986-05-06 Hitachi Metals Ltd 永久磁石材料の製造方法
US4767450A (en) * 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
JPH0789521B2 (ja) * 1985-03-28 1995-09-27 株式会社東芝 希土類鉄系永久磁石
JPS62173704A (ja) * 1986-01-27 1987-07-30 Hitachi Metals Ltd 永久磁石の製造方法

Also Published As

Publication number Publication date
EP0261579A1 (de) 1988-03-30
DE3783413T2 (de) 1993-05-27
US5011552A (en) 1991-04-30
EP0261579B1 (de) 1993-01-07
US4898625A (en) 1990-02-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NEC TOKIN CORP., SENDAI, MIYAGI, JP

8339 Ceased/non-payment of the annual fee