EP3760343A4 - IRON POWDER FOR POWDER METALLURGY - Google Patents

IRON POWDER FOR POWDER METALLURGY Download PDF

Info

Publication number: EP3760343A4
Authority: EP; European Patent Office
Prior art keywords: powder; metallurgy; iron; iron powder; powder metallurgy
Prior art date: 2018-02-28
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.): Granted

Application number

EP19761704.6A

Other languages

German (de)

French (fr)

Other versions

EP3760343B1 (en

EP3760343A1 (en

Inventor

Yuji Taniguchi

Hirofumi Hojo

Satoshi Nishida

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.)

Kobe Steel Ltd

Original Assignee

Kobe Steel Ltd

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.)

2018-02-28

Filing date

2019-02-19

Publication date

2021-11-24

2019-02-19 Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd

2021-01-06 Publication of EP3760343A1 publication Critical patent/EP3760343A1/en

2021-11-24 Publication of EP3760343A4 publication Critical patent/EP3760343A4/en

2025-07-23 Application granted granted Critical

2025-07-23 Publication of EP3760343B1 publication Critical patent/EP3760343B1/en

Status Active legal-status Critical Current

2039-02-19 Anticipated expiration legal-status Critical

Links

Classifications

- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
- 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
- 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
- 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
- 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
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- 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
- C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 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
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
- 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
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0824—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid
- B22F2009/0828—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid with water
- 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
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Powder Metallurgy (AREA)
Manufacture Of Metal Powder And Suspensions Thereof (AREA)

EP19761704.6A 2018-02-28 2019-02-19 Iron powder for powder metallurgy Active EP3760343B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2018034209A JP7057156B2 (en)	2018-02-28	2018-02-28	Iron powder for powder metallurgy
PCT/JP2019/006090 WO2019167722A1 (en)	2018-02-28	2019-02-19	Iron powder for powder metallurgy

Publications (3)

Publication Number	Publication Date
EP3760343A1 EP3760343A1 (en)	2021-01-06
EP3760343A4 true EP3760343A4 (en)	2021-11-24
EP3760343B1 EP3760343B1 (en)	2025-07-23

Family

ID=67808900

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19761704.6A Active EP3760343B1 (en)	2018-02-28	2019-02-19	Iron powder for powder metallurgy

Country Status (5)

Country	Link
EP (1)	EP3760343B1 (en)
JP (1)	JP7057156B2 (en)
KR (1)	KR102507938B1 (en)
CN (1)	CN111741822B (en)
WO (1)	WO2019167722A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4978669A (en) *	1972-12-06	1974-07-29
JPH07126703A (en) *	1993-11-04	1995-05-16	Kawasaki Steel Corp	Water-atomized unannealed iron powder for powder metallurgy and method for producing the same
JPH07157803A (en) *	1993-05-18	1995-06-20	Kawasaki Steel Corp	Water atomized iron powder for powder metallurgy and method for producing the same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5959810A (en) *	1982-09-30	1984-04-05	Kobe Steel Ltd	Steel powder for powder metallurgy and its manufacture
JP2608178B2 (en)	1990-11-07	1997-05-07	川崎製鉄株式会社	Iron powder for powder metallurgy
JPH06256802A (en) *	1993-03-02	1994-09-13	Kawasaki Steel Corp	Atomization method of molten metal by iron and steel powder for powder metallurgy and liquid jet
CN1104570A (en) *	1993-05-18	1995-07-05	川崎制铁株式会社	Atomised iron powder for powder metallurgy
US5501747A (en) *	1995-05-12	1996-03-26	Crs Holdings, Inc.	High strength iron-cobalt-vanadium alloy article
US7217328B2 (en) *	2000-11-13	2007-05-15	Neomax Co., Ltd.	Compound for rare-earth bonded magnet and bonded magnet using the compound
JP4069727B2 (en)	2001-11-20	2008-04-02	日立金属株式会社	Rare earth based bonded magnet compound and bonded magnet using the same
CN1410208B (en) *	2002-11-25	2011-01-19	莱芜钢铁集团粉末冶金有限公司	Manufacturing method of alloy steel powder by spraying
JP2007092162A (en)	2005-02-03	2007-04-12	Jfe Steel Kk	Highly compressible iron powder, and iron powder and dust core for dust core using the same
JP5617529B2 (en) *	2010-10-28	2014-11-05	Ｊｆｅスチール株式会社	Iron-based mixed powder for powder metallurgy
JP5926011B2 (en)	2011-07-19	2016-05-25	太陽誘電株式会社	Magnetic material and coil component using the same
JP2013204075A (en)	2012-03-28	2013-10-07	Taiwan Powder Technologies Co Ltd	Method for producing fine reduced iron powder

2018
- 2018-02-28 JP JP2018034209A patent/JP7057156B2/en active Active
2019
- 2019-02-19 EP EP19761704.6A patent/EP3760343B1/en active Active
- 2019-02-19 KR KR1020207026943A patent/KR102507938B1/en active Active
- 2019-02-19 CN CN201980014359.5A patent/CN111741822B/en active Active
- 2019-02-19 WO PCT/JP2019/006090 patent/WO2019167722A1/en not_active Ceased

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4978669A (en) *	1972-12-06	1974-07-29
JPH07157803A (en) *	1993-05-18	1995-06-20	Kawasaki Steel Corp	Water atomized iron powder for powder metallurgy and method for producing the same
JPH07126703A (en) *	1993-11-04	1995-05-16	Kawasaki Steel Corp	Water-atomized unannealed iron powder for powder metallurgy and method for producing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019167722A1 *

Also Published As

Publication number	Publication date
KR102507938B1 (en)	2023-03-08
KR20200121858A (en)	2020-10-26
JP7057156B2 (en)	2022-04-19
EP3760343B1 (en)	2025-07-23
CN111741822B (en)	2022-06-03
JP2019147997A (en)	2019-09-05
EP3760343A1 (en)	2021-01-06
WO2019167722A1 (en)	2019-09-06
CN111741822A (en)	2020-10-02

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