JPH06346101A - 磁気異方性球形粉末及びその製造方法 - Google Patents

磁気異方性球形粉末及びその製造方法

Info

Publication number
JPH06346101A
JPH06346101A JP6136751A JP13675194A JPH06346101A JP H06346101 A JPH06346101 A JP H06346101A JP 6136751 A JP6136751 A JP 6136751A JP 13675194 A JP13675194 A JP 13675194A JP H06346101 A JPH06346101 A JP H06346101A
Authority
JP
Japan
Prior art keywords
powder
microns
particle size
magnet
magnetic
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
JP6136751A
Other languages
English (en)
Japanese (ja)
Inventor
Bao-Min Ma
マ バオ−ミン
Wan-Li Liu
リウ ワン−リ
Yu-Lan Liang
リアン ユ−ラン
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.)
Rhone Poulenc SA
Rhone Poulenc Specialites Chimiques
Bayer CropScience Inc USA
Original Assignee
Rhone Poulenc SA
Rhone Poulenc Specialites Chimiques
Rhone Poulenc Specialty Chemicals Co
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 Rhone Poulenc SA, Rhone Poulenc Specialites Chimiques, Rhone Poulenc Specialty Chemicals Co filed Critical Rhone Poulenc SA
Publication of JPH06346101A publication Critical patent/JPH06346101A/ja
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
    • 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
    • H01F1/0574—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 liquid dynamic compaction
    • 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

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)
JP6136751A 1993-05-28 1994-05-27 磁気異方性球形粉末及びその製造方法 Pending JPH06346101A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/069,276 US5474623A (en) 1993-05-28 1993-05-28 Magnetically anisotropic spherical powder and method of making same
US069276 1993-05-28

Publications (1)

Publication Number Publication Date
JPH06346101A true JPH06346101A (ja) 1994-12-20

Family

ID=22087888

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6136751A Pending JPH06346101A (ja) 1993-05-28 1994-05-27 磁気異方性球形粉末及びその製造方法

Country Status (6)

Country Link
US (1) US5474623A (enExample)
EP (1) EP0626703A3 (enExample)
JP (1) JPH06346101A (enExample)
CN (1) CN1057630C (enExample)
CA (1) CA2124395C (enExample)
TW (1) TW255973B (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999033597A1 (en) * 1997-12-25 1999-07-08 Nichia Chemical Industries, Ltd. Sm-Fe-N ALLOY POWDER AND PROCESS FOR THE PRODUCTION THEREROF
JP2004115921A (ja) * 1997-12-25 2004-04-15 Nichia Chem Ind Ltd Ｓｍ−Ｆｅ−Ｎ系合金粉末及びその製造方法
JP2005520351A (ja) * 2001-02-28 2005-07-07 マグネクエンチ・インコーポレーテッド 噴霧された永久磁石粉末を用いて製造されたボンド磁石
KR100880742B1 (ko) * 2004-11-09 2009-02-02 아키타 프리펙쳐럴 리소씨즈 테크놀로지 디벨롭먼트 오거니제이션 구상 ＮｉＰ 미소 입자 및 그 제조방법과, 이방성 도전필름용 도전 입자
JP2016072519A (ja) * 2014-09-30 2016-05-09 日亜化学工業株式会社 ボンド磁石およびその製造方法

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1059368C (zh) * 1997-05-23 2000-12-13 冶金工业部钢铁研究总院 一种永磁体粉末的制备方法
JP2001524604A (ja) * 1997-11-20 2001-12-04 インスティトゥート フュア フェストケルパー− ウント ヴェルクシュトッフオルシュング ドレースデン エー ファウ 磁気合金粉末の製法
AU2327300A (en) * 1999-02-10 2000-08-29 Hitachi Maxell, Ltd. Magnetic recording medium, and magnetic powder and method for preparing the same
US6261515B1 (en) 1999-03-01 2001-07-17 Guangzhi Ren Method for producing rare earth magnet having high magnetic properties
US6444052B1 (en) * 1999-10-13 2002-09-03 Aichi Steel Corporation Production method of anisotropic rare earth magnet powder
US6613213B1 (en) 2000-03-27 2003-09-02 Brookhaven Science Associates, Llc Method for producing electrodes using microscale or nanoscale materials obtained from hydrogendriven metallurgical reactions
WO2010007673A1 (ja) * 2008-07-16 2010-01-21 ミネベア株式会社 希土類－鉄系環状磁石の製造方法、及びモータ
JP5059929B2 (ja) 2009-12-04 2012-10-31 住友電気工業株式会社 磁石用粉末
JP5059955B2 (ja) * 2010-04-15 2012-10-31 住友電気工業株式会社 磁石用粉末
CN103151130A (zh) 2010-05-19 2013-06-12 住友电气工业株式会社 磁性部件用粉末、粉末成形体及磁性部件
EP3360627B1 (de) * 2017-02-08 2022-01-05 Heraeus Deutschland GmbH & Co. KG Pulver zur verwendung in einem additiven fertigungsverfahren
DE102018101765B4 (de) * 2018-01-26 2019-12-05 Stahl Cranesystems Gmbh Skalierbare Hysteresekupplung
CN110014157A (zh) * 2019-05-29 2019-07-16 浙江鑫盛永磁科技有限公司 防氧化的钕铁硼加工工艺
CN121260621B (zh) * 2025-09-25 2026-06-09 四川大学 一种具有均匀亚微米晶粒结构的RE-Fe-B磁粉及制备方法

Family Cites Families (9)

* 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
GB8318009D0 (en) * 1983-07-02 1983-08-03 Lucas Ind Plc Hydrogen storage
GB8707905D0 (en) * 1987-04-02 1987-05-07 Univ Birmingham Magnets
CN1012477B (zh) * 1987-08-19 1991-05-01 三菱金属株式会社 稀土-铁-硼磁体粉末及其制备方法
JPH01162302A (ja) * 1987-12-18 1989-06-26 Seiko Electronic Components Ltd ボンド磁石用合金粉末の製造方法
US5143560A (en) * 1990-04-20 1992-09-01 Hitachi Metals, Inc., Ltd. Method for forming Fe-B-R-T alloy powder by hydrogen decrepitation of die-upset billets
JP3196224B2 (ja) * 1991-02-01 2001-08-06 三菱マテリアル株式会社 希土類−Ｆｅ−Ｃｏ−Ｂ系異方性磁石
US5127970A (en) * 1991-05-21 1992-07-07 Crucible Materials Corporation Method for producing rare earth magnet particles of improved coercivity
US5314548A (en) * 1992-06-22 1994-05-24 General Motors Corporation Fine grained anisotropic powder from melt-spun ribbons

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999033597A1 (en) * 1997-12-25 1999-07-08 Nichia Chemical Industries, Ltd. Sm-Fe-N ALLOY POWDER AND PROCESS FOR THE PRODUCTION THEREROF
JP2004115921A (ja) * 1997-12-25 2004-04-15 Nichia Chem Ind Ltd Ｓｍ−Ｆｅ−Ｎ系合金粉末及びその製造方法
US6780255B2 (en) 1997-12-25 2004-08-24 Nichia Chemical Industries, Ltd. Sm-fe-N based alloy powder and process for producing the same
JP2005520351A (ja) * 2001-02-28 2005-07-07 マグネクエンチ・インコーポレーテッド 噴霧された永久磁石粉末を用いて製造されたボンド磁石
KR100880742B1 (ko) * 2004-11-09 2009-02-02 아키타 프리펙쳐럴 리소씨즈 테크놀로지 디벨롭먼트 오거니제이션 구상 ＮｉＰ 미소 입자 및 그 제조방법과, 이방성 도전필름용 도전 입자
JP2016072519A (ja) * 2014-09-30 2016-05-09 日亜化学工業株式会社 ボンド磁石およびその製造方法

Also Published As

Publication number Publication date
CA2124395A1 (en) 1994-11-29
US5474623A (en) 1995-12-12
EP0626703A3 (en) 1995-01-25
TW255973B (enExample) 1995-09-01
CN1057630C (zh) 2000-10-18
CN1100228A (zh) 1995-03-15
EP0626703A2 (en) 1994-11-30
CA2124395C (en) 2006-10-17

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Legal Events

Date Code Title Description
A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20040114

A912 Re-examination (zenchi) completed and case transferred to appeal board

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Effective date: 20040220