DK3343571T3 - Sammensat sintret sjælden jordmagnet af r-fe-b-serien indeholdende pr og w samt fremgangsmåde til fremstilling deraf - Google Patents

Sammensat sintret sjælden jordmagnet af r-fe-b-serien indeholdende pr og w samt fremgangsmåde til fremstilling deraf Download PDF

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Publication number
DK3343571T3
DK3343571T3 DK16850298.7T DK16850298T DK3343571T3 DK 3343571 T3 DK3343571 T3 DK 3343571T3 DK 16850298 T DK16850298 T DK 16850298T DK 3343571 T3 DK3343571 T3 DK 3343571T3
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Denmark
Prior art keywords
sinterly
manufacture
composition
series containing
rare soil
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DK16850298.7T
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English (en)
Inventor
Hiroshi Nagata
Original Assignee
Xiamen Tungsten Co Ltd
Fujian Changting Golden Dragon Rare-Earth Co Ltd
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Publication of DK3343571T3 publication Critical patent/DK3343571T3/da

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    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • 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
    • 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
    • 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
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/35—Iron
    • B22F2301/355—Rare Earth - Fe intermetallic alloys
    • 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
    • B22F2304/00—Physical aspects of the powder
    • B22F2304/10—Micron size particles, i.e. above 1 micrometer up to 500 micrometer
    • 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
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • 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
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties
    • C22C2202/02—Magnetic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
DK16850298.7T 2015-09-28 2016-09-23 Sammensat sintret sjælden jordmagnet af r-fe-b-serien indeholdende pr og w samt fremgangsmåde til fremstilling deraf DK3343571T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201510625876 2015-09-28
CN201610827760.9A CN106448985A (zh) 2015-09-28 2016-09-18 一种复合含有Pr和W的R‑Fe‑B系稀土烧结磁铁
PCT/CN2016/099861 WO2017054674A1 (zh) 2015-09-28 2016-09-23 一种复合含有Pr和W的R-Fe-B系稀土烧结磁铁

Publications (1)

Publication Number Publication Date
DK3343571T3 true DK3343571T3 (da) 2020-08-03

Family

ID=58168652

Family Applications (1)

Application Number Title Priority Date Filing Date
DK16850298.7T DK3343571T3 (da) 2015-09-28 2016-09-23 Sammensat sintret sjælden jordmagnet af r-fe-b-serien indeholdende pr og w samt fremgangsmåde til fremstilling deraf

Country Status (8)

Country Link
US (1) US10971289B2 (da)
EP (2) EP3343571B1 (da)
JP (1) JP6828027B2 (da)
CN (2) CN106448985A (da)
DK (1) DK3343571T3 (da)
ES (2) ES2909232T3 (da)
TW (1) TWI617676B (da)
WO (1) WO2017054674A1 (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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JP2018059197A (ja) * 2016-09-30 2018-04-12 日立金属株式会社 Ｒ−ｔｍ−ｂ系焼結磁石
CN110619984B (zh) 2018-06-19 2021-12-07 厦门钨业股份有限公司 一种低B含量的R-Fe-B系烧结磁铁及其制备方法
CN110828089B (zh) * 2019-11-21 2021-03-26 厦门钨业股份有限公司 钕铁硼磁体材料、原料组合物及制备方法和应用
CN110957091B (zh) * 2019-11-21 2021-07-13 厦门钨业股份有限公司 钕铁硼磁体材料、原料组合物及制备方法和应用
CN110797157B (zh) * 2019-11-21 2021-06-04 厦门钨业股份有限公司 钕铁硼磁体材料、原料组合物及制备方法和应用
JP7687267B2 (ja) * 2022-04-28 2025-06-03 信越化学工業株式会社 希土類焼結磁石及び希土類焼結磁石の製造方法

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US847A (en) * 1838-07-19 William smith
US998A (en) * 1838-11-03 navy yard
JP3121824B2 (ja) * 1990-02-14 2001-01-09 ティーディーケイ株式会社 焼結永久磁石
JPH05339684A (ja) 1992-06-11 1993-12-21 Hitachi Metals Ltd 永久磁石合金およびその製造方法
US20020036367A1 (en) * 2000-02-22 2002-03-28 Marlin Walmer Method for producing & manufacturing density enhanced, DMC, bonded permanent magnets
AU2002358316A1 (en) * 2001-12-18 2003-06-30 Showa Denko K.K. Alloy flake for rare earth magnet, production method thereof, alloy powder for rare earth sintered magnet, rare earth sintered magnet, alloy powder for bonded magnet and bonded magnet
JP2004006767A (ja) 2002-03-29 2004-01-08 Tdk Corp 永久磁石
US7199690B2 (en) * 2003-03-27 2007-04-03 Tdk Corporation R-T-B system rare earth permanent magnet
JP3762912B2 (ja) 2003-03-27 2006-04-05 Ｔｄｋ株式会社 Ｒ−ｔ−ｂ系希土類永久磁石
JPWO2005123974A1 (ja) * 2004-06-22 2008-04-10 信越化学工業株式会社 Ｒ−Ｆｅ−Ｂ系希土類永久磁石材料
US8182618B2 (en) * 2005-12-02 2012-05-22 Hitachi Metals, Ltd. Rare earth sintered magnet and method for producing same
CN101331566B (zh) * 2006-03-03 2013-12-25 日立金属株式会社 R-Fe-B系稀土类烧结磁铁及其制造方法
EP2302646B1 (en) * 2008-06-13 2018-10-31 Hitachi Metals, Ltd. R-t-cu-mn-b type sintered magnet
JP2011021269A (ja) 2009-03-31 2011-02-03 Showa Denko Kk Ｒ−ｔ−ｂ系希土類永久磁石用合金材料、ｒ−ｔ−ｂ系希土類永久磁石の製造方法およびモーター
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Also Published As

Publication number Publication date
EP3343571A4 (en) 2019-04-24
CN108352233A (zh) 2018-07-31
EP3686907A1 (en) 2020-07-29
CN108352233B (zh) 2020-09-18
TW201716598A (zh) 2017-05-16
ES2807755T3 (es) 2021-02-24
WO2017054674A1 (zh) 2017-04-06
EP3343571A1 (en) 2018-07-04
JP2018536278A (ja) 2018-12-06
EP3343571B1 (en) 2020-05-06
TWI617676B (zh) 2018-03-11
US20180294081A1 (en) 2018-10-11
CN106448985A (zh) 2017-02-22
ES2909232T3 (es) 2022-05-05
JP6828027B2 (ja) 2021-02-10
US10971289B2 (en) 2021-04-06
EP3686907B1 (en) 2021-10-27

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