EP3878580A4 - Procédé de fabrication de poudre d'éponge de fer en forme d'aiguille ou en forme de tige et poudre d'éponge de fer en forme d'aiguille ou en forme de tige ainsi fabriquée - Google Patents

Procédé de fabrication de poudre d'éponge de fer en forme d'aiguille ou en forme de tige et poudre d'éponge de fer en forme d'aiguille ou en forme de tige ainsi fabriquée Download PDF

Info

Publication number
EP3878580A4
EP3878580A4 EP19881941.9A EP19881941A EP3878580A4 EP 3878580 A4 EP3878580 A4 EP 3878580A4 EP 19881941 A EP19881941 A EP 19881941A EP 3878580 A4 EP3878580 A4 EP 3878580A4
Authority
EP
European Patent Office
Prior art keywords
shaped
rod
iron powder
needle
porous iron
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.)
Withdrawn
Application number
EP19881941.9A
Other languages
German (de)
English (en)
Other versions
EP3878580A1 (fr
Inventor
Gil-Soo Han
Hyung-Sub EOM
Jin-Gyun PARK
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.)
Research Institute of Industrial Science and Technology RIST
Posco Holdings Inc
Original Assignee
Posco Co Ltd
Research Institute of Industrial Science and Technology RIST
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 Posco Co Ltd, Research Institute of Industrial Science and Technology RIST filed Critical Posco Co Ltd
Publication of EP3878580A1 publication Critical patent/EP3878580A1/fr
Publication of EP3878580A4 publication Critical patent/EP3878580A4/fr
Withdrawn legal-status Critical Current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
    • 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
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
    • 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
    • B22F1/06—Metallic powder characterised by the shape of the particles
    • B22F1/062—Fibrous particles
    • 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
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/01—Reducing atmosphere
    • 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
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/01—Reducing atmosphere
    • B22F2201/013—Hydrogen
    • 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
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/03—Oxygen
    • 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
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/04—CO or CO2
    • 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
    • B22F2301/35—Iron
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Compounds Of Iron (AREA)
  • Powder Metallurgy (AREA)
EP19881941.9A 2018-11-05 2019-11-04 Procédé de fabrication de poudre d'éponge de fer en forme d'aiguille ou en forme de tige et poudre d'éponge de fer en forme d'aiguille ou en forme de tige ainsi fabriquée Withdrawn EP3878580A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180134325A KR102175428B1 (ko) 2018-11-05 2018-11-05 침상 또는 봉상 다공질 철분말 제조 방법
PCT/KR2019/014795 WO2020096293A1 (fr) 2018-11-05 2019-11-04 Procédé de fabrication de poudre d'éponge de fer en forme d'aiguille ou en forme de tige et poudre d'éponge de fer en forme d'aiguille ou en forme de tige ainsi fabriquée

Publications (2)

Publication Number Publication Date
EP3878580A1 EP3878580A1 (fr) 2021-09-15
EP3878580A4 true EP3878580A4 (fr) 2021-12-29

Family

ID=70612034

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19881941.9A Withdrawn EP3878580A4 (fr) 2018-11-05 2019-11-04 Procédé de fabrication de poudre d'éponge de fer en forme d'aiguille ou en forme de tige et poudre d'éponge de fer en forme d'aiguille ou en forme de tige ainsi fabriquée

Country Status (6)

Country Link
US (1) US20220008992A1 (fr)
EP (1) EP3878580A4 (fr)
JP (1) JP2022506098A (fr)
KR (1) KR102175428B1 (fr)
CN (1) CN112969544A (fr)
WO (1) WO2020096293A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102477414B1 (ko) * 2022-06-08 2022-12-15 김준현 복합성능 모르타르 조성물 및 상기 복합성능 모르타르 조성물과 무기계 표면보호 코팅제를 이용한 콘크리트 및 강재 구조물의 보수보강 공법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662051A (en) * 1948-01-06 1951-11-28 Davide Primavesi Improved chemical process for producing powdered iron
EP0014889A1 (fr) * 1979-02-24 1980-09-03 BASF Aktiengesellschaft Procédé de préparation de particules de fer aciculaire ferromagnétique
US4464196A (en) * 1983-08-24 1984-08-07 Hercules Incorporated Acicular ferromagnetic metal particles
US20050145068A1 (en) * 2003-11-26 2005-07-07 Hoganas Ab Food additive

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950006268B1 (ko) * 1993-07-16 1995-06-13 김미라 저밀도이면서 입자가 해면형상인 분철의 제조방법
KR0157067B1 (ko) * 1993-08-26 1999-03-30 스마 요시츠기 구름부재
FR2794672B1 (fr) * 1999-06-10 2001-09-07 Asb Aerospatiale Batteries Procede de preparation de poudres metalliques, poudres metalliques ainsi preparees et compacts incluant ces poudres
JP2005145757A (ja) * 2003-11-14 2005-06-09 Nisshin Steel Co Ltd 酸化鉄粉の製造方法
CN101898800A (zh) * 2010-02-03 2010-12-01 深圳市东江环保股份有限公司 氯化亚铁制备氧化铁红的方法
US20160096739A1 (en) 2014-09-29 2016-04-07 Innova Powders, Inc. Iron powder product with high specific surface area
TWI570245B (zh) * 2015-11-19 2017-02-11 Taiwan Powder Technologies Co Ltd A method for preparing a porous spherical iron-based alloy powder by a reduction reaction, wherein the powder and the powder are prepared Sintered body
KR101798731B1 (ko) * 2015-12-24 2017-11-17 주식회사 포스코 산화철 제조방법
KR101924274B1 (ko) * 2017-01-11 2018-11-30 국방과학연구소 1차 및 2차 환원공정을 적용한 철 분말 제조방법 및 이에 의해 제조된 철 분말

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662051A (en) * 1948-01-06 1951-11-28 Davide Primavesi Improved chemical process for producing powdered iron
EP0014889A1 (fr) * 1979-02-24 1980-09-03 BASF Aktiengesellschaft Procédé de préparation de particules de fer aciculaire ferromagnétique
US4464196A (en) * 1983-08-24 1984-08-07 Hercules Incorporated Acicular ferromagnetic metal particles
US20050145068A1 (en) * 2003-11-26 2005-07-07 Hoganas Ab Food additive

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020096293A1 *

Also Published As

Publication number Publication date
US20220008992A1 (en) 2022-01-13
EP3878580A1 (fr) 2021-09-15
JP2022506098A (ja) 2022-01-17
WO2020096293A1 (fr) 2020-05-14
KR102175428B1 (ko) 2020-11-06
KR20200051233A (ko) 2020-05-13
CN112969544A (zh) 2021-06-15

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