WO2012002774A3 - 본드자석용 Ｒ-Ｆｅ-Ｂ계 희토류 자성분말의 제조방법, 이에 의해 제조된 자성분말 및 상기 자성분말을 이용한 본드자석의 제조방법, 이에 의해 제조된 본드자석 - Google Patents

본드자석용 Ｒ-Ｆｅ-Ｂ계 희토류 자성분말의 제조방법, 이에 의해 제조된 자성분말 및 상기 자성분말을 이용한 본드자석의 제조방법, 이에 의해 제조된 본드자석 Download PDF

Info

Publication number
WO2012002774A3
WO2012002774A3 PCT/KR2011/004863 KR2011004863W WO2012002774A3 WO 2012002774 A3 WO2012002774 A3 WO 2012002774A3 KR 2011004863 W KR2011004863 W KR 2011004863W WO 2012002774 A3 WO2012002774 A3 WO 2012002774A3
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic powder
bonded magnet
tube furnace
preparing
rare earth
Prior art date
Application number
PCT/KR2011/004863
Other languages
English (en)
French (fr)
Other versions
WO2012002774A2 (ko
Inventor
유지훈
김동환
이동원
이정구
Original Assignee
한국기계연구원
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 한국기계연구원 filed Critical 한국기계연구원
Priority to US13/807,994 priority Critical patent/US9230721B2/en
Publication of WO2012002774A2 publication Critical patent/WO2012002774A2/ko
Publication of WO2012002774A3 publication Critical patent/WO2012002774A3/ko

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
    • B22F9/02—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
    • 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
    • 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
    • B22F9/023—Hydrogen absorption
    • 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
    • B22F1/12—Metallic powder containing non-metallic particles
    • 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
    • C22C1/02—Making non-ferrous alloys by melting
    • 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
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • 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
    • 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
    • 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
    • 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
    • H01F1/0578—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 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
    • H01F1/057—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

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)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

본 발명은 본드자석용 Ｒ—Ｆｅ—Ｂ계 희토류 자성분말의 제조방법, 이에 의 해 제조된 자성분말 및 상기 자성분말을 이용한 본드자석의 제조방법, 이에 의해 제조된 본드자석에 관한 것으로, 상세하게는 원료인 희토류소결자석 제품을 조분쇄 하는 단계(단계 1); 상기 단계 1을 통해 생성된 분쇄물을 진공상태의 튜브로(tube furnace)에 장입한 후 수소를 채우고 튜브로의 온도를 상승시키는 수소화공정 단계 (단계 2); 상기 단계 2와 동일한 수소분위기에서 튜브로 온도를 더욱 상승시키는 상분해공정 단계(단계 3); 상기 단계 3의 튜브로에서 내부의 수소를 배기시키는 수 소방출공정 단계(단계 4); 및 상기 단계 4를 수행한 후 튜브로 내의 수소압력을 진 공 배기하는 재결합공정 단계(단계 5)를 포함하는 것을 특징으로 하는 자기특성이 향상된 R-Fe-B계 희토류 자성분말의 제조방법 및 이에 의해 제조된 자성분말 및 상 기 자성분말을 이용한 본드자석의 제조방법, 이에 의해 제조된 본드자석을 제공한 다.
PCT/KR2011/004863 2010-07-02 2011-07-01 본드자석용 Ｒ-Ｆｅ-Ｂ계 희토류 자성분말의 제조방법, 이에 의해 제조된 자성분말 및 상기 자성분말을 이용한 본드자석의 제조방법, 이에 의해 제조된 본드자석 WO2012002774A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/807,994 US9230721B2 (en) 2010-07-02 2011-07-01 Method for preparing R-Fe-B-based rare earth magnetic powder for a bonded magnet, magnetic powder prepared by the method, method for producing a bonded magnet using the magnetic powder, and bonded magnet produced by the method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0063900 2010-07-02
KR1020100063900A KR101219515B1 (ko) 2010-07-02 2010-07-02 본드자석용 Ｒ―Ｆｅ―Ｂ계 희토류 자성분말의 제조방법, 이에 의해 제조된 자성분말 및 상기 자성분말을 이용한 본드자석의 제조방법, 이에 의해 제조된 본드자석

Publications (2)

Publication Number Publication Date
WO2012002774A2 WO2012002774A2 (ko) 2012-01-05
WO2012002774A3 true WO2012002774A3 (ko) 2012-03-01

Family

ID=45402605

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/004863 WO2012002774A2 (ko) 2010-07-02 2011-07-01 본드자석용 Ｒ-Ｆｅ-Ｂ계 희토류 자성분말의 제조방법, 이에 의해 제조된 자성분말 및 상기 자성분말을 이용한 본드자석의 제조방법, 이에 의해 제조된 본드자석

Country Status (3)

Country Link
US (1) US9230721B2 (ko)
KR (1) KR101219515B1 (ko)
WO (1) WO2012002774A2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9044834B2 (en) 2013-06-17 2015-06-02 Urban Mining Technology Company Magnet recycling to create Nd—Fe—B magnets with improved or restored magnetic performance

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014056610A1 (de) * 2012-10-10 2014-04-17 Rockwood Lithium GmbH Verfahren zur hydrometallurgischen rückgewinnung von lithium aus der lithium-manganoxid haltigen fraktion gebrauchter galvanischer zellen
KR101269408B1 (ko) * 2012-10-10 2013-05-30 한국기계연구원 수소방출및재결합단계를 포함하는 희토류-철-보론계 희토류자성분말의 제조방법
EP2975619A4 (en) * 2013-03-12 2016-03-09 Intermetallics Co Ltd PROCESS FOR PRODUCING RFEB SINTERED MAGNET AND RFEB SINTERED MAGNET PRODUCED THEREBY
KR101382234B1 (ko) * 2013-03-15 2014-04-10 한국기계연구원 에이치디디알공법 중 수소방출및재결합단계 제어방법 및 수소방출및재결합단계를 실시하여 제조된 희토류-철-보론계 희토류자성분말
KR102070869B1 (ko) * 2013-09-11 2020-01-29 엘지전자 주식회사 고보자력 및 고잔류자속밀도를 갖는 네오디뮴계 재생 소결자석 및 그의 재생처리방법
KR20150033423A (ko) * 2013-09-24 2015-04-01 엘지전자 주식회사 열간가압성형 공정을 이용한 이방성 열간가압성형 자석의 제조방법 및 이 방법으로 제조된 열간가압성형 자석
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering
DE102016216353A1 (de) 2016-08-30 2018-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Recyclingverfahren zur Herstellung isotroper, magnetischer Pulver
CN112424888A (zh) * 2018-07-19 2021-02-26 爱知制钢株式会社 稀土磁体粉末的制造方法
KR102098732B1 (ko) 2018-07-20 2020-04-08 한국기계연구원 희토류 자석 스크랩으로부터 자성분말 제조방법
KR102188693B1 (ko) * 2020-03-31 2020-12-08 김문환 광 측량기 거치대
KR102553034B1 (ko) * 2021-10-26 2023-07-10 성림희토금속 주식회사 수소 분위기 상분해와 산화 배소 및 산 침출에 의한 희토류 금속 회수 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3250551B2 (ja) * 1999-06-28 2002-01-28 愛知製鋼株式会社 異方性希土類磁石粉末の製造方法
JP2002093610A (ja) * 2000-09-20 2002-03-29 Aichi Steel Works Ltd 異方性磁石粉末の製造方法、異方性磁石粉末の原料粉末およびボンド磁石
KR20050065612A (ko) * 2003-01-16 2005-06-29 아이치 세이코우 가부시키가이샤 이방성 자석 분말의 제조방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06151132A (ja) * 1992-10-29 1994-05-31 Mitsubishi Materials Corp 異方性磁石材料粉末の製造方法およびその製造方法により得られた異方性磁石材料粉末を用いた磁石の製造方法
JP2003224009A (ja) * 2002-01-31 2003-08-08 Kenichi Machida 異方性希土類磁石粉末の製造方法、及びそれを用いたボンド磁石
KR101142883B1 (ko) * 2009-12-04 2012-05-10 한국기계연구원 자기특성이 향상된 Ｒ?Ｆｅ?Ｂ계 이방성 금속분말의 제조방법 및 이에 따라 제조되는 Ｒ?Ｆｅ?Ｂ계 이방성 금속분말
KR101195450B1 (ko) * 2010-01-22 2012-10-30 한국기계연구원 본드자석용 Ｒ?Ｆｅ?Ｂ계 희토류 자성분말의 제조방법, 이에 의해 제조된 자성분말 및 상기 자성분말을 이용한 본드자석의 제조방법, 이에 의해 제조된 본드자석

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3250551B2 (ja) * 1999-06-28 2002-01-28 愛知製鋼株式会社 異方性希土類磁石粉末の製造方法
JP2002093610A (ja) * 2000-09-20 2002-03-29 Aichi Steel Works Ltd 異方性磁石粉末の製造方法、異方性磁石粉末の原料粉末およびボンド磁石
KR20050065612A (ko) * 2003-01-16 2005-06-29 아이치 세이코우 가부시키가이샤 이방성 자석 분말의 제조방법

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9044834B2 (en) 2013-06-17 2015-06-02 Urban Mining Technology Company Magnet recycling to create Nd—Fe—B magnets with improved or restored magnetic performance
US9067284B2 (en) 2013-06-17 2015-06-30 Urban Mining Technology Company, Llc Magnet recycling to create Nd—Fe—B magnets with improved or restored magnetic performance
US9095940B2 (en) 2013-06-17 2015-08-04 Miha Zakotnik Harvesting apparatus for magnet recycling
US9144865B2 (en) 2013-06-17 2015-09-29 Urban Mining Technology Company Mixing apparatus for magnet recycling

Also Published As

Publication number Publication date
KR20120003183A (ko) 2012-01-10
WO2012002774A2 (ko) 2012-01-05
US20130320585A1 (en) 2013-12-05
KR101219515B1 (ko) 2013-01-11
US9230721B2 (en) 2016-01-05

Similar Documents

Publication Publication Date Title
WO2012002774A3 (ko) 본드자석용 Ｒ-Ｆｅ-Ｂ계 희토류 자성분말의 제조방법, 이에 의해 제조된 자성분말 및 상기 자성분말을 이용한 본드자석의 제조방법, 이에 의해 제조된 본드자석
CN106373688A (zh) 一种制备稀土永磁材料的方法
US8574380B2 (en) Composite magnetic material and method of preparing the same
KR101201021B1 (ko) 영구 자석 및 영구 자석의 제조 방법
EP2348518A4 (en) PROCESS FOR PRODUCING RARE-EARTH FRITTED MAGNET AND POWDER CONTAINER FOR PRODUCTION OF RARE-EARTH FRITTED MAGNET
UA110940C2 (uk) Кавовий продукт та способи його одержання
CN105152670B (zh) 一种SiC纳米线增强SiBCN陶瓷的制备方法
EP2779179A3 (en) R-T-B-based rare earth magnet particles, process for producing the R-T-B-based rare earth magnet particles, and bonded magnet
CL2008002895A1 (es) Metodo para elaborar una bebida instantanea en polvo, que comprende las etapas de: a) someter un extracto de bebida instantanea a una presion de 50 a 400 bar, b) agregar gas al extracto presurizado y c) asperzar y secar el extracto para formar una bebida instantanea en polvo.
CN105304252B (zh) 一种无重稀土高性能钕铁硼永磁体及其制造方法
CN101770862B (zh) 辐射取向磁环和辐射多极磁环的制备方法
WO2010023405A3 (fr) Procédé de préparation d'une pièce en superalliage base nickel et pièce ainsi obtenue
IN2014CN01766A (ko)
CN102436890A (zh) 提高纳米晶钕铁硼永磁材料性能的方法
JP2011236498A5 (ko)
CN103273665A (zh) 一种复合材料方形管材零件成型工艺
WO2011129562A3 (ko) 균일한 크기를 가지는 은 나노입자의 대량 제조 방법
EP2189431A3 (en) Aluminum nitride sintered product, method for producing the same and electrostatic chuck including the same
KR20140090164A (ko) 희토류 영구 자석 및 희토류 영구 자석의 제조 방법
JP6227570B2 (ja) 焼結磁石製造方法
CN104478458A (zh) 一种石墨烯球增韧SiCN陶瓷的制备方法
WO2011047405A3 (de) Verfahren zum herstellen eines thermoelektrischen elementes
KR20120049359A (ko) 영구 자석 및 영구 자석의 제조 방법
EP2645381A3 (en) R-T-B-based rare earth magnet particles, process for producing the R-T-B-based rare earth magnet particles, and bonded magnet
JPWO2014156592A1 (ja) 焼結磁石製造方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11801179

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 13807994

Country of ref document: US

122 Ep: pct application non-entry in european phase

Ref document number: 11801179

Country of ref document: EP

Kind code of ref document: A2