DE69804712D1 - Kopräzipitations-Reduktions-Diffusions-Verfahren zur Herstellung von Neodym-Eisen-Bor-Permanentmagnetlegierungen - Google Patents

Kopräzipitations-Reduktions-Diffusions-Verfahren zur Herstellung von Neodym-Eisen-Bor-Permanentmagnetlegierungen

Info

Publication number
DE69804712D1
DE69804712D1 DE69804712T DE69804712T DE69804712D1 DE 69804712 D1 DE69804712 D1 DE 69804712D1 DE 69804712 T DE69804712 T DE 69804712T DE 69804712 T DE69804712 T DE 69804712T DE 69804712 D1 DE69804712 D1 DE 69804712D1
Authority
DE
Germany
Prior art keywords
coprecipitation
neodymium
iron
reduction
production
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.)
Expired - Fee Related
Application number
DE69804712T
Other languages
English (en)
Other versions
DE69804712T2 (de
Inventor
Yongqia Zhou
Xuying Hu
Panwen Shen
Shoumin Zhang
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.)
NANKAI University TIANJIN
Tianjin Kenda Industry and Trade Group Co
Original Assignee
NANKAI University TIANJIN
Tianjin Kenda Industry and Trade Group 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 NANKAI University TIANJIN, Tianjin Kenda Industry and Trade Group Co filed Critical NANKAI University TIANJIN
Publication of DE69804712D1 publication Critical patent/DE69804712D1/de
Application granted granted Critical
Publication of DE69804712T2 publication Critical patent/DE69804712T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • 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
DE69804712T 1997-05-22 1998-01-30 Kopräzipitations-Reduktions-Diffusions-Verfahren zur Herstellung von Neodym-Eisen-Bor-Permanentmagnetlegierungen Expired - Fee Related DE69804712T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN97104333A CN1044648C (zh) 1997-05-22 1997-05-22 共沉淀还原扩散法制备钕铁硼永磁合金

Publications (2)

Publication Number Publication Date
DE69804712D1 true DE69804712D1 (de) 2002-05-16
DE69804712T2 DE69804712T2 (de) 2002-11-28

Family

ID=5167272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69804712T Expired - Fee Related DE69804712T2 (de) 1997-05-22 1998-01-30 Kopräzipitations-Reduktions-Diffusions-Verfahren zur Herstellung von Neodym-Eisen-Bor-Permanentmagnetlegierungen

Country Status (7)

Country Link
US (1) US6051047A (de)
EP (1) EP0880148B1 (de)
JP (1) JP3220674B2 (de)
KR (1) KR100306514B1 (de)
CN (1) CN1044648C (de)
AU (1) AU728171B2 (de)
DE (1) DE69804712T2 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100374706B1 (ko) * 2000-05-26 2003-03-04 한국기계연구원 네오디뮴-철-붕소계 초미립 합금분말 제조방법
JP4525003B2 (ja) * 2003-06-06 2010-08-18 株式会社安川電機 永久磁石用粒子の製造方法
WO2009134483A2 (en) * 2008-01-29 2009-11-05 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Spinel nanopowders
JP2013149664A (ja) * 2012-01-17 2013-08-01 Showa Denko Kk Ｒｅ−ｔ−ｂ系磁石用合金の製造方法
CN102921952A (zh) * 2012-10-16 2013-02-13 山东依诺威强磁材料有限公司 用于手机振动马达用磁钢的粉体破碎方法
CN103317146B (zh) * 2013-07-09 2015-09-30 中国石油大学(华东) 水热法制备钕铁硼磁粉的方法
CN103413644A (zh) * 2013-07-25 2013-11-27 中国石油大学(华东) 一种钐钴磁粉的制备方法
KR101354138B1 (ko) 2013-07-30 2014-01-27 한국기계연구원 네오디뮴-철-붕소계 합금 분말의 제조방법
JP2015113481A (ja) * 2013-12-10 2015-06-22 住友金属鉱山株式会社 希土類−遷移金属−窒素系合金粉末の製造方法、および得られる希土類−遷移金属−窒素系合金粉末とそれを用いたボンド磁石用組成物、並びにボンド磁石
CN103882234B (zh) * 2014-03-18 2015-12-30 北京工业大学 一种将钕铁硼油泥制备成再生钕铁硼磁粉的方法
CN103990808B (zh) * 2014-05-04 2016-12-07 常州大学 一种制备钕铁硼永磁纳米粒子的方法
CN105081338B (zh) * 2014-05-08 2017-05-10 中国科学院宁波材料技术与工程研究所 一种单分散钕铁硼纳米粒子的制备方法
CN103990794B (zh) * 2014-06-10 2016-04-13 江苏巨鑫磁业有限公司 一种粘结钕铁硼快淬永磁粉残留结晶体氧化方法
DE102014218369A1 (de) * 2014-09-12 2016-03-31 Siemens Aktiengesellschaft Elektrochemische Abscheidung von Neodym zur Vergrößerung der Koerzitivfeldstärke von Seltenerddauermagneten
CN104690270B (zh) * 2015-03-08 2016-11-09 北京工业大学 一种利用烧结钕铁硼油泥废料制备高性能烧结钕铁硼磁体的短流程方法
CN105702404B (zh) * 2016-04-19 2017-08-18 包头恒宇磁源科技有限公司 一种钕铁硼磁性材料的制备方法
JP6489073B2 (ja) * 2016-06-23 2019-03-27 住友金属鉱山株式会社 希土類−鉄−窒素系磁石粉末の製造方法
GB2555608A (en) * 2016-11-04 2018-05-09 Rolls Royce Plc A magnetic material and a method of sythesising the same
CN107492432B (zh) * 2017-08-15 2019-10-18 宁波合力磁材技术有限公司 一种钕铁硼永磁铁的制备方法
KR102088008B1 (ko) * 2017-09-25 2020-03-11 주식회사 엘지화학 자석 분말 입자 및 이의 세정 방법
KR102093491B1 (ko) 2017-11-28 2020-03-25 주식회사 엘지화학 소결 자석의 제조 방법 및 소결 자석
KR102092327B1 (ko) 2017-11-28 2020-03-23 주식회사 엘지화학 자석 분말의 제조 방법 및 자석 분말
JP6724972B2 (ja) * 2017-12-22 2020-07-15 日亜化学工業株式会社 異方性磁性粉末の製造方法
CN108274016B (zh) * 2018-03-14 2021-05-07 浙江工业大学 一种喷雾热分解还原法直接制备钐铁合金粉末的方法
KR102098732B1 (ko) * 2018-07-20 2020-04-08 한국기계연구원 희토류 자석 스크랩으로부터 자성분말 제조방법
KR102109623B1 (ko) * 2018-07-20 2020-05-26 한국기계연구원 모나자이트로부터 희토류 자성분말의 제조방법
CN109852809A (zh) * 2019-04-10 2019-06-07 江苏集萃安泰创明先进能源材料研究院有限公司 一种短流程从钕铁硼油泥废料中回收钕铁硼合金粉的方法及再生烧结磁体的制备方法
CN110484756B (zh) * 2019-09-24 2020-11-06 江西沪昌电缆有限公司 一种铝基高导电性电线的制备方法
CN113351613B (zh) * 2021-03-09 2022-04-22 北京工业大学 利用次氯酸钠化学反应法去除废旧mq粘结钕铁硼磁粉中有机物的方法
CN115798905B (zh) * 2022-09-27 2023-09-01 宁波佳丰磁材科技有限公司 一种强韧性钕铁硼磁体及制备方法
CN115961138B (zh) * 2022-12-30 2023-07-25 中国科学院江西稀土研究院 一种再生磁粉、利用氯化-还原扩散联合法制备再生磁粉的方法及其用途
CN116904839B (zh) * 2023-09-12 2023-11-24 内蒙古永磊材料科技有限公司 一种高纯硼铁合金及其制备方法
CN117245089A (zh) * 2023-11-20 2023-12-19 西安稀有金属材料研究院有限公司 一种高效处理钐铁氮磁粉反应副产物的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2516284C3 (de) * 1975-04-14 1978-04-13 Burdosa, Herwig Burgert, 6301 Roedgen Schlaufenreaktor
US4314090A (en) * 1980-08-18 1982-02-02 The Dow Chemical Company Linear alpha olefin production
US4380684A (en) * 1981-06-01 1983-04-19 The Dow Chemical Company Linear alpha olefin production using a tank growth reactor
US4538018A (en) * 1983-12-13 1985-08-27 Phillips Petroleum Company Surface conditioning in olefin dimerization reactors
US4917724A (en) * 1988-10-11 1990-04-17 General Motors Corporation Method of decalcifying rare earth metals formed by the reduction-diffusion process
JPH0327502A (ja) * 1989-03-07 1991-02-05 Seiko Instr Inc 希土類磁石微粉末の作製法
DE4237346C1 (de) * 1992-11-05 1993-12-02 Goldschmidt Ag Th Verfahren zur Herstellung von Legierungen der Seltenen Erden des Typs SE¶2¶Fe¶1¶¶7¶¶-¶¶x¶M¶x¶N¶y¶
DE4314986A1 (de) * 1993-05-06 1994-11-10 Witco Gmbh Verfahren zur Herstellung von Aluminoxanen
JPH09129423A (ja) * 1995-10-27 1997-05-16 Kawasaki Teitoku Kk 成形性の良好な永久磁石原料粉末の製造法
US5735969A (en) * 1996-03-07 1998-04-07 Imation Corp. Method of producing acicular magnetic alloy particles

Also Published As

Publication number Publication date
JPH10330808A (ja) 1998-12-15
KR19980086499A (ko) 1998-12-05
AU5290498A (en) 1998-11-26
EP0880148B1 (de) 2002-04-10
US6051047A (en) 2000-04-18
JP3220674B2 (ja) 2001-10-22
KR100306514B1 (ko) 2001-11-30
EP0880148A1 (de) 1998-11-25
AU728171B2 (en) 2001-01-04
DE69804712T2 (de) 2002-11-28
CN1174104A (zh) 1998-02-25
CN1044648C (zh) 1999-08-11

Similar Documents

Publication Publication Date Title
DE69804712T2 (de) Kopräzipitations-Reduktions-Diffusions-Verfahren zur Herstellung von Neodym-Eisen-Bor-Permanentmagnetlegierungen
DE60100405D1 (de) Verfahren zur Herstellung von Legierungspulvern
DE69305118T2 (de) Verfahren zur Herstellung von magnetischen Rotorteilen
DE69713700D1 (de) Verfahren zur seltenerd-verbundmagnet herstellung
DE69707185D1 (de) Gusslegierung für die Herstellung von Dauermagneten mit seltenen Erden und Verfahren zur Herstellung dieser Legierung und dieser Dauermagneten
DE69930540D1 (de) Verfahren zur herstellung von silalkylen-siloxancopolymeren
DE69933207D1 (de) Verbessertes verfahren zur herstellung von makroliden
DE69912174D1 (de) Verfahren zur Herstellung von Dialkanolaminen
DE69808569D1 (de) Verfahren zur Herstellung von keramischen Pulvern
DE59808528D1 (de) Verfahren zur Herstellung von 3-Glycidyloxypropyltrialkoxysilanen
DE69837590D1 (de) Verfahren zur herstellung von laminierten dauermagneten
DE69522792T2 (de) Verfahren zur Herstellung von wärmebehandelten Sintereisen-Formteilen
DE3776364D1 (de) Dauermagnet und verfahren zur herstellung.
DE69935509D1 (de) Verfahren zur herstellung von durchscheinenden zahnersätzen
DE69523969T2 (de) Vorrichtung zur Herstellung von metallischen Ringen
DE69926449D1 (de) Verfahren zur herstellung von pulvrigem nickel
DE59900916D1 (de) Verfahren zur Herstellung von 4-Aminodiphenylamin
DE59803057D1 (de) Verfahren zur Herstellung von Cyclohexanonen
DE69921634D1 (de) Verfahren zur Herstellung von ölige Konzentrate
DE69802464T2 (de) Verfahren zur Herstellung von magnetischer Flüssigkeit
DE69911844D1 (de) Verfahren zur Herstellung von Tensiden
DE69918399D1 (de) Verfahren zur Herstellung von N-Alkyl-2-pyrrolidonen
DE60002254D1 (de) Verfahren zur Herstellung von 4,6-diaminoresorcin
DE59805686D1 (de) Verfahren zur Herstellung von Beta-Alkoxy-nitrilen
DE60002785D1 (de) Verfahren zur Herstellung von Nitrilen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee