DE69317113D1 - Seltenerd magnetpulver und herstellungsverfahren - Google Patents

Seltenerd magnetpulver und herstellungsverfahren

Info

Publication number
DE69317113D1
DE69317113D1 DE69317113T DE69317113T DE69317113D1 DE 69317113 D1 DE69317113 D1 DE 69317113D1 DE 69317113 T DE69317113 T DE 69317113T DE 69317113 T DE69317113 T DE 69317113T DE 69317113 D1 DE69317113 D1 DE 69317113D1
Authority
DE
Germany
Prior art keywords
production method
magnetic powder
rare magnetic
rare
powder
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 - Lifetime
Application number
DE69317113T
Other languages
English (en)
Inventor
Yoshinobu Honkura
Hironari Mitarai
Chisato Mishima
Yoshikazu Amahiro
Hiroshi Matsuoka
Yoshinobu Sugiura
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.)
Aichi Steel Corp
Original Assignee
Aichi Steel 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 Aichi Steel Corp filed Critical Aichi Steel Corp
Application granted granted Critical
Publication of DE69317113D1 publication Critical patent/DE69317113D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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

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)
DE69317113T 1992-12-28 1993-12-24 Seltenerd magnetpulver und herstellungsverfahren Expired - Lifetime DE69317113D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP35976792 1992-12-28
JP12804893 1993-04-30
JP32992493 1993-11-30
PCT/JP1993/001863 WO1994015345A1 (en) 1992-12-28 1993-12-24 Rare earth magnetic powder, method of its manufacture, and resin-bonded magnet

Publications (1)

Publication Number Publication Date
DE69317113D1 true DE69317113D1 (de) 1998-04-02

Family

ID=27315673

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69317113T Expired - Lifetime DE69317113D1 (de) 1992-12-28 1993-12-24 Seltenerd magnetpulver und herstellungsverfahren

Country Status (4)

Country Link
US (1) US5643491A (de)
EP (1) EP0633582B1 (de)
DE (1) DE69317113D1 (de)
WO (1) WO1994015345A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2881409B2 (ja) * 1996-10-28 1999-04-12 愛知製鋼株式会社 異方性磁石粉末の製造方法
US6284060B1 (en) * 1997-04-18 2001-09-04 Matsushita Electric Industrial Co., Ltd. Magnetic core and method of manufacturing the same
JPH1131610A (ja) * 1997-07-11 1999-02-02 Mitsubishi Materials Corp 磁気異方性に優れた希土類磁石粉末の製造方法
US6332933B1 (en) 1997-10-22 2001-12-25 Santoku Corporation Iron-rare earth-boron-refractory metal magnetic nanocomposites
JP3120172B2 (ja) * 1997-12-22 2000-12-25 愛知製鋼株式会社 希土類系磁石粉末の製造装置
CN1265401C (zh) 1998-07-13 2006-07-19 株式会社三德 制造纳米复合磁性材料的方法以及制造粘结磁体的方法
WO2003085683A1 (fr) * 2002-04-09 2003-10-16 Aichi Steel Corporation Aimant agglomere anisotrope de terre rare composite, compose pour un aimant agglomere anisotrope de terre rare composite, et procede de preparation de ce dernier
KR100517642B1 (ko) * 2002-10-25 2005-09-29 한국과학기술연구원 Ｐｒ－Ｆｅ－Ｂ계 자성분말 조성물 및 그 제조방법
US20050178142A1 (en) * 2004-02-17 2005-08-18 Perry Ralph J. 96 hour duration insulated cryo-pack for maintaining -40 degree fahrenheit
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
US8692639B2 (en) 2009-08-25 2014-04-08 Access Business Group International Llc Flux concentrator and method of making a magnetic flux concentrator
US9224526B1 (en) * 2010-05-24 2015-12-29 Utron Kinetics, LLC Magnet construction by combustion driven high compaction
JP6160180B2 (ja) * 2013-03-29 2017-07-12 愛知製鋼株式会社 希土類ボンド磁石からの磁石粉末回収方法
US9981600B2 (en) 2015-12-21 2018-05-29 Truck Accessories Group, Llc Adjustable truck cover light
JP2018182161A (ja) 2017-04-18 2018-11-15 Tdk株式会社 磁石、磁石構造体、及び、回転角度検出器
CN110767401A (zh) * 2019-11-06 2020-02-07 烟台首钢磁性材料股份有限公司 提高烧结钕铁硼磁体性能的方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0768561B2 (ja) * 1987-09-22 1995-07-26 三菱マテリアル株式会社 希土類−Ｆｅ−Ｂ系合金磁石粉末の製造法
JPH0682575B2 (ja) * 1987-08-19 1994-10-19 三菱マテリアル株式会社 希土類−Ｆｅ−Ｂ系合金磁石粉末
EP0304054B1 (de) * 1987-08-19 1994-06-08 Mitsubishi Materials Corporation Magnetisches Seltenerd-Eisen-Bor-Puder und sein Herstellungsverfahren
JPH0319296A (ja) * 1989-06-15 1991-01-28 Matsushita Electric Works Ltd 配線用基板清浄装置
JPH03146608A (ja) * 1989-10-31 1991-06-21 Mitsubishi Materials Corp 磁気的異方性に優れた希土類磁石合金粉末の製造法
JP2576671B2 (ja) * 1989-07-31 1997-01-29 三菱マテリアル株式会社 磁気的異方性および耐食性に優れた希土類ーＦｅーＢ系永久磁石粉末およびボンド磁石
JPH0417604A (ja) * 1990-05-11 1992-01-22 Mitsubishi Materials Corp 磁気特性に優れた希土類磁石合金粉末の製造法
DE69009335T2 (de) * 1989-07-31 1994-11-03 Mitsubishi Materials Corp Seltenerdpulver für Dauermagnet, Herstellungsverfahren und Verbundmagnet.
JPH02153507A (ja) * 1989-10-31 1990-06-13 Seiko Epson Corp 樹脂結合型永久磁石の製造方法
JP2586199B2 (ja) * 1990-09-26 1997-02-26 三菱マテリアル株式会社 磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｃｏ―Ｂ系永久磁石粉末およびボンド磁石
US5250206A (en) * 1990-09-26 1993-10-05 Mitsubishi Materials Corporation Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity and bonded magnet manufactured therefrom
US5395462A (en) * 1991-01-28 1995-03-07 Mitsubishi Materials Corporation Anisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system magnet
US5127970A (en) * 1991-05-21 1992-07-07 Crucible Materials Corporation Method for producing rare earth magnet particles of improved coercivity
JPH05163510A (ja) * 1991-12-10 1993-06-29 Mitsubishi Materials Corp 希土類磁石合金粉末の製造法
JP2838616B2 (ja) * 1991-12-20 1998-12-16 住友特殊金属株式会社 希土類系永久磁石用合金粉末の製造方法

Also Published As

Publication number Publication date
WO1994015345A1 (en) 1994-07-07
EP0633582A1 (de) 1995-01-11
US5643491A (en) 1997-07-01
EP0633582A4 (de) 1995-04-19
EP0633582B1 (de) 1998-02-25

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Legal Events

Date Code Title Description
8332 No legal effect for de