CN106158347B - 一种制备R‑Fe‑B类烧结磁体的方法 - Google Patents

一种制备R‑Fe‑B类烧结磁体的方法 Download PDF

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CN106158347B
CN106158347B CN201610776183.5A CN201610776183A CN106158347B CN 106158347 B CN106158347 B CN 106158347B CN 201610776183 A CN201610776183 A CN 201610776183A CN 106158347 B CN106158347 B CN 106158347B
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magnet
rxe
rare earth
slurry
layer
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Chinese (zh)
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CN106158347A (zh
Inventor
王庆凯
李咚咚
耿国强
张铭杰
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Yantai Zhenghai Magnetic Material Co Ltd
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Yantai Zhenghai Magnetic Material Co Ltd
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Priority to KR1020170105791A priority patent/KR101906068B1/ko
Priority to JP2017163156A priority patent/JP6595542B2/ja
Priority to US15/690,238 priority patent/US20180061540A1/en
Priority to EP17188669.0A priority patent/EP3291264B1/en
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    • 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
    • H01F41/026—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 protecting methods against environmental influences, e.g. oxygen, by surface treatment
    • 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
    • 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
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
    • B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
    • 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
    • H01F1/0536—Alloys characterised by their composition containing rare earth metals sintered
    • 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
    • H01F1/06—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 in the form of particles, e.g. powder
    • H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/086—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 in the form of particles, e.g. powder pressed, sintered, or bound 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
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
    • 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
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
    • B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
    • B22F2007/042—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal characterised by the layer forming method
    • B22F2007/047—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal characterised by the layer forming method non-pressurised baking of the paste or slurry containing metal powder

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
CN201610776183.5A 2016-08-31 2016-08-31 一种制备R‑Fe‑B类烧结磁体的方法 Active CN106158347B (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201610776183.5A CN106158347B (zh) 2016-08-31 2016-08-31 一种制备R‑Fe‑B类烧结磁体的方法
KR1020170105791A KR101906068B1 (ko) 2016-08-31 2017-08-22 R-Fe-B류 소결 자성체 제조방법
JP2017163156A JP6595542B2 (ja) 2016-08-31 2017-08-28 Ｒ‐Ｆｅ‐Ｂ系焼結磁石を製造する方法
US15/690,238 US20180061540A1 (en) 2016-08-31 2017-08-29 Method for producing a sintered r-iron-boron magnet
EP17188669.0A EP3291264B1 (en) 2016-08-31 2017-08-31 Method for producing sintered r-iron-boron magnet

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Application Number Priority Date Filing Date Title
CN201610776183.5A CN106158347B (zh) 2016-08-31 2016-08-31 一种制备R‑Fe‑B类烧结磁体的方法

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CN106158347A CN106158347A (zh) 2016-11-23
CN106158347B true CN106158347B (zh) 2017-10-17

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EP (1) EP3291264B1 (enExample)
JP (1) JP6595542B2 (enExample)
KR (1) KR101906068B1 (enExample)
CN (1) CN106158347B (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026003B (zh) * 2017-04-24 2020-02-07 烟台正海磁性材料股份有限公司 一种烧结钕铁硼磁体的制备方法
CN107516595A (zh) * 2017-09-19 2017-12-26 江苏晨朗电子集团有限公司 一种用于烧结钕铁硼产品的表面渗镝、铽工艺及搅拌装置
CN108461272B (zh) * 2018-03-20 2020-05-22 北京工业大学 一种用于形成氢化物纳米颗粒表面涂层的技术
CN108666115A (zh) * 2018-05-08 2018-10-16 苏州世诺新材料科技有限公司 一种低损耗非晶、纳米晶磁片及其制备方法
CN108962582B (zh) * 2018-07-20 2020-07-07 烟台首钢磁性材料股份有限公司 一种钕铁硼磁体矫顽力提升方法
CN108831655B (zh) * 2018-07-20 2020-02-07 烟台首钢磁性材料股份有限公司 一种提高钕铁硼烧结永磁体矫顽力的方法
CN109887696B (zh) * 2019-01-15 2021-01-29 宁波金鸡强磁股份有限公司 一种涂覆于钕铁硼磁体的有机浆料及高矫顽力钕铁硼磁体的制备
CN109935462B (zh) * 2019-03-12 2022-02-11 宁波雄海稀土速凝技术有限公司 晶界扩散重稀土钕铁硼磁体的制备方法及其钕铁硼磁体
JP7331470B2 (ja) * 2019-06-04 2023-08-23 Tdk株式会社 Ｒ‐ｔ‐ｂ系永久磁石の製造方法
CN110517882B (zh) * 2019-08-15 2021-06-18 安徽省瀚海新材料股份有限公司 一种钕铁硼表面渗铽方法
CN112750612B (zh) * 2020-02-17 2022-08-05 北京京磁电工科技有限公司 钕铁硼表面渗透铽或镝的工艺方法
CN111243807B (zh) * 2020-02-26 2021-08-27 厦门钨业股份有限公司 一种钕铁硼磁体材料、原料组合物及制备方法和应用
CN111326307B (zh) * 2020-03-17 2021-12-28 宁波金鸡强磁股份有限公司 一种渗透磁体用的涂覆材料及高矫顽力钕铁硼磁体的制备方法
CN113035483B (zh) * 2021-04-23 2024-06-04 宁波佳丰磁材科技有限公司 一种晶界扩散钕铁硼磁铁及其制备方法
CN115602399B (zh) * 2021-06-28 2025-11-14 烟台正海磁性材料股份有限公司 一种R-Fe-B烧结磁体及其制备方法和应用
CN113593800B (zh) * 2021-07-20 2023-01-10 烟台正海磁性材料股份有限公司 一种高性能烧结钕铁硼磁体及其制备方法
CN114823118B (zh) * 2022-06-27 2022-10-25 宁波科宁达工业有限公司 一种稀土永磁体及其制备方法
CN119252635A (zh) * 2024-09-09 2025-01-03 安徽大学 一种晶界扩散钕铁硼磁体基材及晶界扩散钕铁硼磁体的制备方法
CN120126887A (zh) * 2025-03-20 2025-06-10 宁波科宁达工业有限公司 一种钕铁硼系磁体、磁体基体及钕铁硼系磁体的制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1830371A1 (en) * 2004-10-19 2007-09-05 Shin-Etsu Chemical Co., Ltd. Method for producing rare earth permanent magnet material
CN103646773A (zh) * 2013-11-21 2014-03-19 烟台正海磁性材料股份有限公司 一种R-Fe-B类烧结磁体的制造方法
CN104575896A (zh) * 2013-10-22 2015-04-29 北京中科三环高技术股份有限公司 用于制备R-Fe-B系烧结磁体的粉末组合物及方法
CN104584156A (zh) * 2012-08-31 2015-04-29 信越化学工业株式会社 稀土永磁体的制造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005344165A (ja) * 2004-06-03 2005-12-15 Tdk Corp 希土類焼結磁石の製造方法、熱処理方法
TWI413136B (zh) 2005-03-23 2013-10-21 Shinetsu Chemical Co 稀土族永久磁體
WO2007088718A1 (ja) 2006-01-31 2007-08-09 Hitachi Metals, Ltd. Ｒ－Ｆｅ－Ｂ系希土類焼結磁石およびその製造方法
CN101651038B (zh) 2006-03-03 2012-06-06 日立金属株式会社 扩散处理装置
JP4840606B2 (ja) 2006-11-17 2011-12-21 信越化学工業株式会社 希土類永久磁石の製造方法
JP2010238712A (ja) * 2009-03-30 2010-10-21 Tdk Corp 希土類焼結磁石の製造方法
WO2011108704A1 (ja) * 2010-03-04 2011-09-09 Tdk株式会社 希土類焼結磁石及びモータ
WO2011122667A1 (ja) * 2010-03-30 2011-10-06 Tdk株式会社 希土類焼結磁石、その製造方法、モーター、及び自動車
KR102137754B1 (ko) * 2012-08-31 2020-07-24 신에쓰 가가꾸 고교 가부시끼가이샤 희토류 영구자석의 제조 방법
CN103258633B (zh) * 2013-05-30 2015-10-28 烟台正海磁性材料股份有限公司 一种R-Fe-B系烧结磁体的制备方法
CN105453193B (zh) * 2013-08-09 2018-01-12 Tdk株式会社 R‑t‑b系烧结磁铁以及电机
JP6169032B2 (ja) * 2014-04-08 2017-07-26 トヨタ自動車株式会社 非磁性スラリー組成物及び希土類磁石の製造方法
CN105070498B (zh) * 2015-08-28 2016-12-07 包头天和磁材技术有限责任公司 提高磁体矫顽力的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1830371A1 (en) * 2004-10-19 2007-09-05 Shin-Etsu Chemical Co., Ltd. Method for producing rare earth permanent magnet material
CN104584156A (zh) * 2012-08-31 2015-04-29 信越化学工业株式会社 稀土永磁体的制造方法
CN104575896A (zh) * 2013-10-22 2015-04-29 北京中科三环高技术股份有限公司 用于制备R-Fe-B系烧结磁体的粉末组合物及方法
CN103646773A (zh) * 2013-11-21 2014-03-19 烟台正海磁性材料股份有限公司 一种R-Fe-B类烧结磁体的制造方法

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EP3291264A1 (en) 2018-03-07
JP6595542B2 (ja) 2019-10-23
KR101906068B1 (ko) 2018-11-30
CN106158347A (zh) 2016-11-23
EP3291264C0 (en) 2023-06-07
KR20180025198A (ko) 2018-03-08
EP3291264B1 (en) 2023-06-07
JP2018082146A (ja) 2018-05-24
US20180061540A1 (en) 2018-03-01

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