CN103262183A - 复合软磁粉末、复合软磁磁粉芯以及它们的制备方法 - Google Patents

复合软磁粉末、复合软磁磁粉芯以及它们的制备方法 Download PDF

Info

Publication number
CN103262183A
CN103262183A CN201180046522XA CN201180046522A CN103262183A CN 103262183 A CN103262183 A CN 103262183A CN 201180046522X A CN201180046522X A CN 201180046522XA CN 201180046522 A CN201180046522 A CN 201180046522A CN 103262183 A CN103262183 A CN 103262183A
Authority
CN
China
Prior art keywords
soft magnetic
composite soft
magnetic powder
iron
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.)
Pending
Application number
CN201180046522XA
Other languages
English (en)
Inventor
杨白
于荣海
大河内智
冈本大祐
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.)
Tsinghua University
Toyota Motor Corp
Original Assignee
Tsinghua University
Toyota Motor 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 Tsinghua University, Toyota Motor Corp filed Critical Tsinghua University
Priority to CN201180046522XA priority Critical patent/CN103262183A/zh
Publication of CN103262183A publication Critical patent/CN103262183A/zh
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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/14—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 soft-magnetic materials metals or alloys
    • H01F1/20—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H01F1/26—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
    • 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
    • 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
    • B22F1/16—Metallic particles coated with a non-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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/33—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 soft-magnetic materials mixtures of metallic and non-metallic particles; metallic particles having oxide skin
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer

Abstract

一种Fe/Fe3O4复合软磁粉末及其制备方法、包括该复合软磁粉末的磁粉芯及其制备方法。采用控制氧化法在铁粉颗粒表面上原位生成一层Fe3O4壳层，制备结构均匀的Fe/Fe3O4复合软磁粉末。将Fe/Fe3O4复合软磁粉末与适量的硅树脂进行混合，采用粉末冶金压实工艺制备高性能Fe/Fe3O4复合软磁磁粉芯。制得的磁粉芯具有高密度、高磁导率、高磁通密度、低损耗和高断裂强度，适用于大功率和低损耗的使用场合。制备Fe/Fe3O4复合软磁粉末的方法工艺过程简单、对环境友好并且适宜工业化生产。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201180046522XA 2010-09-29 2011-09-23 复合软磁粉末、复合软磁磁粉芯以及它们的制备方法 Pending CN103262183A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201180046522XA CN103262183A (zh) 2010-09-29 2011-09-23 复合软磁粉末、复合软磁磁粉芯以及它们的制备方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201010297482.3 2010-09-29
CN2010102974823A CN101996723B (zh) 2010-09-29 2010-09-29 一种复合软磁磁粉芯及其制备方法
CN201180046522XA CN103262183A (zh) 2010-09-29 2011-09-23 复合软磁粉末、复合软磁磁粉芯以及它们的制备方法
PCT/CN2011/080085 WO2012041189A1 (zh) 2010-09-29 2011-09-23 复合软磁粉末、复合软磁磁粉芯以及它们的制备方法

Publications (1)

Publication Number Publication Date
CN103262183A true CN103262183A (zh) 2013-08-21

Family

ID=43786731

Family Applications (2)

Application Number Title Priority Date Filing Date
CN2010102974823A Expired - Fee Related CN101996723B (zh) 2010-09-29 2010-09-29 一种复合软磁磁粉芯及其制备方法
CN201180046522XA Pending CN103262183A (zh) 2010-09-29 2011-09-23 复合软磁粉末、复合软磁磁粉芯以及它们的制备方法

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN2010102974823A Expired - Fee Related CN101996723B (zh) 2010-09-29 2010-09-29 一种复合软磁磁粉芯及其制备方法

Country Status (5)

Country Link
US (1) US20140104023A1 (zh)
JP (1) JP5607833B2 (zh)
CN (2) CN101996723B (zh)
DE (1) DE112011103287T8 (zh)
WO (1) WO2012041189A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105562679A (zh) * 2015-12-29 2016-05-11 哈尔滨工业大学 一种四氧化三铁铁多形貌复合材料的制备方法
CN110610803A (zh) * 2018-06-15 2019-12-24 山东精创磁电产业技术研究院有限公司 一种软磁复合材料的成型方法

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101996723B (zh) * 2010-09-29 2012-07-25 清华大学 一种复合软磁磁粉芯及其制备方法
JP5027945B1 (ja) 2011-03-04 2012-09-19 住友電気工業株式会社 圧粉成形体、圧粉成形体の製造方法、リアクトル、コンバータ、及び電力変換装置
CN103219120B (zh) * 2012-01-18 2016-02-10 株式会社神户制钢所 压粉磁芯的制造方法以及由该制造方法而得的压粉磁芯
US9067833B2 (en) * 2012-06-21 2015-06-30 Toyota Motor Engineering & Manufacturing North America, Inc. Iron oxide and silica magnetic core
CN104368807B (zh) * 2013-08-13 2018-02-02 东睦新材料集团股份有限公司 一种金属软磁复合材料用粉末的包覆方法及磁体的制备方法
CN103862037B (zh) * 2014-02-27 2015-10-28 浙江大学 生物材料包埋零价铁-四氧化三铁双纳米体系的制备及前处理办法
JP6243298B2 (ja) 2014-06-13 2017-12-06 株式会社豊田中央研究所 圧粉磁心およびリアクトル
CN104934180B (zh) * 2015-06-19 2017-06-23 浙江大学 一种高饱和磁通密度高磁导率软磁复合材料的制备方法
JP2017092225A (ja) * 2015-11-10 2017-05-25 住友電気工業株式会社 圧粉成形体、電磁部品、及び圧粉成形体の製造方法
JP6474051B2 (ja) * 2016-01-07 2019-02-27 株式会社オートネットワーク技術研究所 複合材料成形体、リアクトル、及び複合材料成形体の製造方法
KR101983184B1 (ko) * 2016-08-30 2019-05-29 삼성전기주식회사 자성체 조성물 및 이를 포함하는 인덕터
JP6479074B2 (ja) 2016-08-30 2019-03-06 サムソン エレクトロ−メカニックス カンパニーリミテッド． 磁性体組成物、インダクタおよび磁性体本体
TWI630627B (zh) * 2016-12-30 2018-07-21 財團法人工業技術研究院 磁性材料及包含其之磁性元件
JP6520972B2 (ja) * 2017-03-08 2019-05-29 株式会社豊田中央研究所 磁心用粉末とその製造方法、圧粉磁心および磁性フィルム
DE112018004080T5 (de) * 2017-08-10 2020-04-23 Sumitomo Electric Industries, Ltd. Verfahren zur herstellung eines pulvermagnetkerns und verfahren zur herstellung einer elektromagnetischen komponente
WO2019069923A1 (ja) * 2017-10-04 2019-04-11 三菱マテリアル株式会社 シリカ系絶縁被覆軟磁性粉末およびその製造方法
CN107825114A (zh) * 2017-11-27 2018-03-23 苏州索力旺新能源科技有限公司 一种光伏接线盒装配装置
CN108057878B (zh) * 2017-12-19 2020-01-31 浙江大学 一种双壳层软磁复合材料的制备方法
CN108329021A (zh) * 2017-12-25 2018-07-27 日照亿鑫电子材料有限公司 低频电流传感器磁芯材料及其制备方法
CN108364741B (zh) * 2018-01-30 2019-08-13 中南大学 一种低芯损FeSiAlNi基复合软磁材料及其制备方法
JP6504288B1 (ja) * 2018-03-09 2019-04-24 Tdk株式会社 軟磁性金属粉末、圧粉磁心および磁性部品
US10931157B2 (en) * 2018-05-07 2021-02-23 General Electric Company Unitary structure having magnetic and non-magnetic phases
CN108705078B (zh) * 2018-06-19 2019-12-13 中国科学院化学研究所 一种金属合金-金属氧化物双磁性壳核结构纳米晶及其制备方法与应用
JP7426191B2 (ja) * 2018-09-27 2024-02-01 太陽誘電株式会社 軟磁性金属粒子を含む磁性基体及び当該磁性基体を含む電子部品
CN109494039B (zh) * 2018-11-27 2020-09-01 北京航空航天大学 一种FeSi基软磁复合软磁材料的制备方法
CN109754980A (zh) * 2019-01-28 2019-05-14 同济大学 一种复合磁粉芯及其制备方法
CN111842874A (zh) * 2019-04-24 2020-10-30 昆山磁通新材料科技有限公司 一种提高金属粉芯绝缘阻抗特性的方法及其金属粉芯
JP2021036576A (ja) * 2019-08-21 2021-03-04 Tdk株式会社 複合粒子及び圧粉磁芯
CN111029078A (zh) * 2019-09-18 2020-04-17 佛山市中研非晶科技股份有限公司 粉末绝缘包覆方法及成品粉末、成品磁粉芯制备方法
EP3840547A1 (en) * 2019-12-20 2021-06-23 AT & S Austria Technologie & Systemtechnik Aktiengesellschaft Component carrier with embedded magnetic inlay and integrated coil structure
CN111118384A (zh) * 2020-01-07 2020-05-08 常熟市华德粉末冶金有限公司 原位合成氧化铝增强铁基粉末冶金合金的方法
CN113555178B (zh) * 2020-04-23 2024-03-01 山东精创磁电产业技术研究院有限公司 一种双主相软磁复合材料及其制备方法
EP3937347A1 (de) * 2020-07-08 2022-01-12 Siemens Aktiengesellschaft Materiallage für ein blechpaket einer elektrischen maschine
CN114437633A (zh) * 2020-11-03 2022-05-06 天津金相检测科技有限公司 一种煤岩专用抛光剂及其制备方法
CN112466590A (zh) * 2020-11-18 2021-03-09 中国兵器科学研究院宁波分院 一种软磁复合材料的制备方法及采用该制备方法得到的软磁复合材料
CN114031387B (zh) * 2021-11-23 2022-11-01 江西伟普科技有限公司 一种高磁导率铁氧体磁性材料的制备方法
CN114242368B (zh) * 2021-12-17 2022-09-30 江苏中净华科环境科技有限公司 铁基软磁复合材料及其应用
US20230260687A1 (en) * 2022-02-14 2023-08-17 General Electric Company Dual phase soft magnetic particle combinations, components and manufacturing methods
CN114713817A (zh) * 2022-02-17 2022-07-08 苏州创浩新材料科技有限公司 一种电磁屏蔽铁基复合材料及其制备方法
CN114538569B (zh) * 2022-02-25 2023-03-10 中国科学技术大学 负载有壳聚糖衍生碳壳包裹的Fe0/FeOX颗粒的电芬顿阴极及其制备与应用
CN114513099A (zh) * 2022-03-02 2022-05-17 卓尔博（宁波）精密机电股份有限公司 一种软磁复合材料定子的制备工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030070508A1 (en) * 2001-04-20 2003-04-17 Kawasaki Steel Corporation Highly compressible iron powder
JP2009117471A (ja) * 2007-11-02 2009-05-28 Toyota Central R&D Labs Inc 磁心用粉末及び圧粉磁心並びにそれらの製造方法
CN101996723A (zh) * 2010-09-29 2011-03-30 清华大学 一种复合软磁磁粉芯及其制备方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615340A (en) * 1968-11-18 1971-10-26 Exxon Research Engineering Co Quenching and passivation of particulate metals
JPH09260126A (ja) * 1996-01-16 1997-10-03 Tdk Corp 圧粉コア用鉄粉末、圧粉コアおよびその製造方法
KR100533097B1 (ko) * 2000-04-27 2005-12-02 티디케이가부시기가이샤 복합자성재료와 이것을 이용한 자성성형재료, 압분 자성분말성형재료, 자성도료, 복합 유전체재료와 이것을이용한 성형재료, 압분성형 분말재료, 도료, 프리프레그및 기판, 전자부품
JP2002015912A (ja) * 2000-06-30 2002-01-18 Tdk Corp 圧粉磁芯用粉末及び圧粉磁芯
JP2003303711A (ja) * 2001-03-27 2003-10-24 Jfe Steel Kk 鉄基粉末およびこれを用いた圧粉磁心ならびに鉄基粉末の製造方法
US7258812B2 (en) * 2001-10-29 2007-08-21 Sumitomo Electric Sintered Alloy, Ltd. Compound magnetic material and fabrication method thereof
JP2003297634A (ja) * 2003-02-17 2003-10-17 Tdk Corp 電子部品
JP4886965B2 (ja) * 2003-08-19 2012-02-29 アイシン精機株式会社 軟磁性粉末粒子、軟磁性粉末粒子の製造方法、軟磁性成形体
JP2005213621A (ja) * 2004-01-30 2005-08-11 Sumitomo Electric Ind Ltd 軟磁性材料および圧粉磁心
JP4483624B2 (ja) * 2005-02-25 2010-06-16 Ｊｆｅスチール株式会社 圧粉磁心用の軟磁性金属粉末および圧粉磁心
JP2007194273A (ja) * 2006-01-17 2007-08-02 Jfe Steel Kk 圧粉磁心用の軟磁性金属粉末および圧粉磁心
JP4641299B2 (ja) * 2006-10-02 2011-03-02 株式会社豊田中央研究所 絶縁皮膜、磁心用粉末及び圧粉磁心、並びにそれらの形成方法又は製造方法
JP2008169439A (ja) * 2007-01-12 2008-07-24 Toyota Motor Corp 磁性粉末、圧粉磁心、電動機およびリアクトル
JP5093008B2 (ja) * 2007-09-12 2012-12-05 セイコーエプソン株式会社 酸化物被覆軟磁性粉末の製造方法、酸化物被覆軟磁性粉末、圧粉磁心および磁性素子
JP2009084649A (ja) * 2007-10-01 2009-04-23 Taiyo Yuden Co Ltd マグネタイト被覆鉄粉末の製造方法
JP2009117651A (ja) * 2007-11-07 2009-05-28 Mitsubishi Materials Pmg Corp 高強度軟磁性複合圧密焼成材およびその製造方法
JP2009283774A (ja) * 2008-05-23 2009-12-03 Sumitomo Electric Ind Ltd 軟磁性粉末
CN102292784B (zh) * 2009-01-23 2013-11-06 丰田自动车株式会社 压粉磁芯的制造方法
JP5427664B2 (ja) * 2010-03-25 2014-02-26 株式会社日立産機システム 圧粉磁性体用軟磁性粉末、それを用いた圧粉磁性体および製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030070508A1 (en) * 2001-04-20 2003-04-17 Kawasaki Steel Corporation Highly compressible iron powder
JP2009117471A (ja) * 2007-11-02 2009-05-28 Toyota Central R&D Labs Inc 磁心用粉末及び圧粉磁心並びにそれらの製造方法
CN101996723A (zh) * 2010-09-29 2011-03-30 清华大学 一种复合软磁磁粉芯及其制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
QUY KHAC ONG等: "Exchange bias in Fe/Fe3O4 core-shell magnetic nanoparticles mediated by frozen inter-facial spins", 《PHYSICA REVIEW B》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105562679A (zh) * 2015-12-29 2016-05-11 哈尔滨工业大学 一种四氧化三铁铁多形貌复合材料的制备方法
CN110610803A (zh) * 2018-06-15 2019-12-24 山东精创磁电产业技术研究院有限公司 一种软磁复合材料的成型方法

Also Published As

Publication number Publication date
WO2012041189A1 (zh) 2012-04-05
DE112011103287T8 (de) 2013-09-12
JP5607833B2 (ja) 2014-10-15
DE112011103287T5 (de) 2013-07-11
CN101996723B (zh) 2012-07-25
CN101996723A (zh) 2011-03-30
JP2013546162A (ja) 2013-12-26
US20140104023A1 (en) 2014-04-17

Similar Documents

Publication Publication Date Title
CN103262183A (zh) 复合软磁粉末、复合软磁磁粉芯以及它们的制备方法
Li et al. In-situ formation of Fe3O4 and ZrO2 coated Fe-based soft magnetic composites by hydrothermal method
CN100486738C (zh) Fe-6.5Si合金粉末的制造方法及磁粉芯的制造方法
AU2020103177A4 (en) Method For Preparing FeSiBCr/SiO2 Nanocrystalline Soft Magnetic Composite Iron Core
JP5470683B2 (ja) 圧粉磁心用金属粉末および圧粉磁心の製造方法
CN110246675B (zh) 一种高饱和磁通密度、低损耗软磁复合材料及其制备方法
CN104361968A (zh) 一种低损耗高磁导率铁硅铝磁粉芯的制备方法
CN109215924A (zh) 一种金属软磁复合材料的原位钝化绝缘包覆处理方法
WO2007077689A1 (ja) 軟磁性材料、圧粉磁心、軟磁性材料の製造方法、および圧粉磁心の製造方法
CN106601416B (zh) 一种多层核壳结构的铁硅软磁复合粉末及其制备方法
CN113555178B (zh) 一种双主相软磁复合材料及其制备方法
Tian et al. Effects of heat treatment and compaction pressure on the microstructure and magnetic properties of core-shell structured FeSiBNbCu/SiO2 soft magnetic composites
CN116013631A (zh) 一种FeSiAl复合软磁粉芯及其制备方法、应用
JP4539585B2 (ja) 圧粉磁心用金属粉末および圧粉磁心の製造方法
JP2007231330A (ja) 圧粉磁心用金属粉末および圧粉磁心の製造方法
JP2010222670A (ja) 複合磁性材料
Yu et al. Optimization of sol-gel prepared SiO2 coating and FeSiCr@ SiO2 soft magnetic composites based on critical ammonia concentration
CN111081466A (zh) 一种非晶纳米晶软磁复合材料及其制备方法与应用
CN109545494B (zh) 一种铁硅磁粉芯材料的制备方法
JP2009235517A (ja) 圧粉磁心用金属粉末および圧粉磁心の製造方法
CN110783091B (zh) 一种纳米晶FeSiBCr磁粉芯的制备方法
CN109513933B (zh) 一种耐高温高表面电阻铁基软磁磁芯的制备方法
CN113451039A (zh) 一种新型FeSi基水雾化铁硅铬软磁粉芯及其制备方法
CN113066627B (zh) 一种复合磁粉芯及其制备方法
CN113096948B (zh) 一种高磁导率高饱和软磁合金材料及其制备方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130821