CN110070985B - 粘结磁体和粘结磁体用混合物的制造方法 - Google Patents

粘结磁体和粘结磁体用混合物的制造方法 Download PDF

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CN110070985B
CN110070985B CN201910051553.2A CN201910051553A CN110070985B CN 110070985 B CN110070985 B CN 110070985B CN 201910051553 A CN201910051553 A CN 201910051553A CN 110070985 B CN110070985 B CN 110070985B
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bonded magnet
mixture
weight
coating
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CN110070985A (zh
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山中智词
矢野乔之
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Nichia Corp
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Nichia Corp
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    • 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
    • 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
    • H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
    • 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
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/102—Metallic powder coated with organic material
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0558—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together bonded together
    • 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
    • H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
    • H01F1/0596—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2 of rhombic or rhombohedral Th2Zn17 structure or hexagonal Th2Ni17 structure
    • 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
    • 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
    • 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
    • B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
    • 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
    • B22F1/14—Treatment of metallic powder
    • B22F1/148—Agglomerating
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
    • B22F2003/208—Warm or hot extruding
    • 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
    • B22F2009/045—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling
    • B22F2009/047—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling by rolling
    • 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
    • B22F2301/40—Intermetallics other than rare earth-Co or -Ni or -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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/227—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by organic binder assisted extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/002—Methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CN201910051553.2A 2018-01-22 2019-01-18 粘结磁体和粘结磁体用混合物的制造方法 Active CN110070985B (zh)

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JP2018008182 2018-01-22
JP2018-008182 2018-01-22
JP2018204193 2018-10-30
JP2018-204193 2018-10-30
JP2018-234475 2018-12-14
JP2018234475A JP6780693B2 (ja) 2018-01-22 2018-12-14 ボンド磁石およびボンド磁石用コンパウンドの製造方法

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111276196B (zh) * 2020-02-03 2020-10-02 苏州鸿凌达电子科技有限公司 基于碳纤维的微观结构量化与性能检测方法
US12230438B2 (en) * 2020-11-18 2025-02-18 Nichia Corporation Compound for bonded magnet, bonded magnet, method of producing same, and resin composition for bonded magnets
US20240006101A1 (en) * 2020-11-18 2024-01-04 Nichia Corporation PRODUCTION METHOD FOR PHOSPHATE-COATED SmFeN-BASED ANISOTROPIC MAGNETIC POWDER AND PHOSPHATE-COATED SmFeN-BASED ANISOTROPIC MAGNETIC POWDER
US20240209168A1 (en) * 2021-04-19 2024-06-27 Resonac Corporation Monomer composition, molded body, bonded magnet, dust core

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983231A (en) * 1988-05-25 1991-01-08 Daihachi Chemical Industry Co., Ltd. Coated magnetic powder and a bonded permanent magnet composition containing the same
JPH05234727A (ja) * 1992-02-26 1993-09-10 Asahi Chem Ind Co Ltd 希土類系の磁性材樹脂複合材料
JPH05315116A (ja) * 1992-05-01 1993-11-26 Asahi Chem Ind Co Ltd 希土類系磁性材樹脂複合材料
JPH08167512A (ja) * 1994-12-12 1996-06-25 Sumitomo Metal Mining Co Ltd 樹脂結合型磁石用組成物及び樹脂結合型磁石
CN1167989A (zh) * 1995-10-18 1997-12-17 精工爱普生株式会社 稀土类粘结磁体和稀土类粘结磁体用组合物
CN102360653A (zh) * 2011-06-08 2012-02-22 北矿磁材科技股份有限公司 一种压延各向异性柔性稀土粘结磁体及其制造方法
CN104361989A (zh) * 2014-12-03 2015-02-18 湖南航天磁电有限责任公司 一种大尺寸高密度粘结永磁体的制备方法

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50599A (enExample) * 1973-05-09 1975-01-07
JPS58171802A (ja) 1982-04-02 1983-10-08 Sumitomo Bakelite Co Ltd 強磁性樹脂組成物
US5140068A (en) * 1990-04-27 1992-08-18 The B. F. Goodrich Company Epoxy resin systems modified with low viscosity statistical monofunctional reactive polymers
JPH0427102A (ja) 1990-05-23 1992-01-30 Sumitomo Metal Mining Co Ltd 樹脂磁石及びその製造方法
JPH0487304A (ja) 1990-07-31 1992-03-19 Sankyo Seiki Mfg Co Ltd 希土類ボンド磁石の製造方法
JPH04368102A (ja) * 1991-06-14 1992-12-21 Tdk Corp 焼結磁石およびその製造方法、磁石粉末およびその製造方法、樹脂ボンディッド磁石ならびに金属ボンディッド磁石
JPH05234728A (ja) * 1992-02-26 1993-09-10 Asahi Chem Ind Co Ltd 熱硬化型の磁性材樹脂複合材料
JP3380870B2 (ja) * 1993-03-04 2003-02-24 大同特殊鋼株式会社 希土類磁石の製造方法
JP3505261B2 (ja) 1995-03-17 2004-03-08 株式会社三徳 Sm−Co系永久磁石材料、永久磁石及びその製造法
JPH09190909A (ja) 1995-11-10 1997-07-22 Sumitomo Special Metals Co Ltd R−t−n系永久磁石粉末および異方性ボンド磁石の製造方法
JP3698538B2 (ja) 1997-12-25 2005-09-21 日亜化学工業株式会社 合金粉末の製造方法
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
JPH11241104A (ja) 1997-12-25 1999-09-07 Nichia Chem Ind Ltd Sm−Fe−N系合金粉末及びその製造方法
JP2000077220A (ja) 1998-08-28 2000-03-14 Sankyo Seiki Mfg Co Ltd 希土類磁石の造粒粉末及びその製造方法、並びにそれらを用いた樹脂ボンド磁石及びその製造方法
JP4138103B2 (ja) * 1998-10-14 2008-08-20 矢崎総業株式会社 ボックスの取付構造
JP2000348922A (ja) * 1999-03-30 2000-12-15 Hitachi Metals Ltd 希土類ボンド磁石
JP2001068313A (ja) 1999-08-24 2001-03-16 Daido Steel Co Ltd 異方性磁石粉末コンパウンド、その製造方法およびそれを使用した異方性ボンド磁石の製造方法
JP2001214202A (ja) 2000-01-31 2001-08-07 Daido Steel Co Ltd 磁性粉末の造粒方法及び成形方法
AU2001266979A1 (en) * 2000-06-19 2002-01-02 The University Of Iowa Research Foundation New magnetic materials, metallic particles and method of making same
JP2002231548A (ja) 2001-02-01 2002-08-16 Bridgestone Corp 磁石組成物とその製造方法
JP4166478B2 (ja) * 2002-01-28 2008-10-15 日亜化学工業株式会社 希土類鉄窒素系磁性粉末の製造方法
WO2003085683A1 (en) * 2002-04-09 2003-10-16 Aichi Steel Corporation Composite rare earth anisotropic bonded magnet, compound for composite rare earth anisotropic bonded magnet and method for preparation thereof
AU2002346234A1 (en) 2002-04-09 2003-10-20 Aichi Steel Corporation Alloy for use in bonded magnet, isotropic magnet powder and anisotropic magnet powder and method for production thereof, and bonded magnet
US7390579B2 (en) * 2003-11-25 2008-06-24 Magnequench, Inc. Coating formulation and application of organic passivation layer onto iron-based rare earth powders
JP4552090B2 (ja) * 2007-10-12 2010-09-29 ミネベア株式会社 希土類ボンド磁石、及びその製造方法
JP2010114333A (ja) * 2008-11-10 2010-05-20 Daido Electronics Co Ltd ボンド磁石の製造方法
US8852840B2 (en) * 2009-03-31 2014-10-07 Toda Kogyo Corporation Magnetic composite particles, magnetic carrier and developer
JP2010245416A (ja) 2009-04-09 2010-10-28 Daido Electronics Co Ltd 直流リアクトル用ボンド磁石およびその製造方法ならびにボンド磁石用原料粉末
JP2011119385A (ja) * 2009-12-02 2011-06-16 Sumitomo Metal Mining Co Ltd 希土類元素を含む鉄系磁石合金粉、およびその製造方法、得られるボンド磁石用樹脂組成物、ボンド磁石、並びに圧密磁石
JP2012199462A (ja) * 2011-03-23 2012-10-18 Aichi Steel Works Ltd 希土類ボンド磁石、希土類磁石粉末とその製造方法および希土類ボンド磁石用コンパウンド
JP6437203B2 (ja) 2014-02-10 2018-12-12 日立化成株式会社 希土類ボンド磁石用コンパウンド、希土類ボンド磁石及び希土類ボンド磁石の製造方法
JP6606920B2 (ja) 2015-08-26 2019-11-20 日亜化学工業株式会社 表面処理された希土類系磁性粉末及びその製造方法並びにボンド磁石及びその製造方法
JP2018008182A (ja) 2016-07-11 2018-01-18 オルガノ株式会社 逆浸透膜を用いる水処理方法、および逆浸透膜におけるシリカの阻止率向上剤
JP6814098B2 (ja) 2017-05-31 2021-01-13 日精株式会社 ビル内エレベーター式機械駐車装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983231A (en) * 1988-05-25 1991-01-08 Daihachi Chemical Industry Co., Ltd. Coated magnetic powder and a bonded permanent magnet composition containing the same
JPH05234727A (ja) * 1992-02-26 1993-09-10 Asahi Chem Ind Co Ltd 希土類系の磁性材樹脂複合材料
JPH05315116A (ja) * 1992-05-01 1993-11-26 Asahi Chem Ind Co Ltd 希土類系磁性材樹脂複合材料
JPH08167512A (ja) * 1994-12-12 1996-06-25 Sumitomo Metal Mining Co Ltd 樹脂結合型磁石用組成物及び樹脂結合型磁石
CN1167989A (zh) * 1995-10-18 1997-12-17 精工爱普生株式会社 稀土类粘结磁体和稀土类粘结磁体用组合物
CN102360653A (zh) * 2011-06-08 2012-02-22 北矿磁材科技股份有限公司 一种压延各向异性柔性稀土粘结磁体及其制造方法
CN104361989A (zh) * 2014-12-03 2015-02-18 湖南航天磁电有限责任公司 一种大尺寸高密度粘结永磁体的制备方法

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