EP3225701A4 - Composition de séparateur de recuit pour tôles d'acier électrique à grains orientés, et procédé de fabrication de tôle d'acier électrique orientée l'utilisant - Google Patents

Composition de séparateur de recuit pour tôles d'acier électrique à grains orientés, et procédé de fabrication de tôle d'acier électrique orientée l'utilisant Download PDF

Info

Publication number: EP3225701A4
Authority: EP; European Patent Office
Prior art keywords: steel sheet; electrical steel; oriented electrical; same; annealing separator
Prior art date: 2014-11-26
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP15863386.7A

Other languages

German (de)

English (en)

Other versions

EP3225701A1 (fr

Inventor

Chang Soo Park

Min Soo Han

Byung-Deug HONG

Soon-Bok 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.)

Posco Holdings Inc

Original Assignee

Posco Co 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.)

2014-11-26

Filing date

2015-11-25

Publication date

2017-10-25

2015-11-25 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2015-11-25 Priority claimed from PCT/KR2015/012735 external-priority patent/WO2016085257A1/fr

2017-10-04 Publication of EP3225701A1 publication Critical patent/EP3225701A1/fr

2017-10-25 Publication of EP3225701A4 publication Critical patent/EP3225701A4/fr

Status Withdrawn legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
- C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
- C21D1/72—Temporary coatings or embedding materials applied before or during heat treatment during chemical change of surfaces
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1272—Final recrystallisation annealing
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1283—Application of a separating or insulating coating
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Materials Engineering (AREA)
Crystallography & Structural Chemistry (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Electromagnetism (AREA)
Manufacturing & Machinery (AREA)
Manufacturing Of Steel Electrode Plates (AREA)
Chemical Treatment Of Metals (AREA)
Soft Magnetic Materials (AREA)

EP15863386.7A 2014-11-26 2015-11-25 Composition de séparateur de recuit pour tôles d'acier électrique à grains orientés, et procédé de fabrication de tôle d'acier électrique orientée l'utilisant Withdrawn EP3225701A4 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
KR20140166906		2014-11-26
KR1020150159096A KR101696627B1 (ko)	2014-11-26	2015-11-12	방향성 전기강판용 소둔 분리제 조성물, 및 이를 이용한 방향성 전기강판의 제조방법
PCT/KR2015/012735 WO2016085257A1 (fr)	2014-11-26	2015-11-25	Composition de séparateur de recuit pour tôles d'acier électrique à grains orientés, et procédé de fabrication de tôle d'acier électrique orientée l'utilisant

Publications (2)

Publication Number	Publication Date
EP3225701A1 EP3225701A1 (fr)	2017-10-04
EP3225701A4 true EP3225701A4 (fr)	2017-10-25

Family

ID=56192453

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP15863386.7A Withdrawn EP3225701A4 (fr)	2014-11-26	2015-11-25	Composition de séparateur de recuit pour tôles d'acier électrique à grains orientés, et procédé de fabrication de tôle d'acier électrique orientée l'utilisant

Country Status (4)

Country	Link
EP (1)	EP3225701A4 (fr)
JP (1)	JP6535739B2 (fr)
KR (1)	KR101696627B1 (fr)
CN (1)	CN107002158B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR101850133B1 (ko)	2016-10-26	2018-04-19	주식회사 포스코	방향성 전기강판용 소둔 분리제 조성물, 방향성 전기강판 및 방향성 전기강판의 제조방법
KR101909218B1 (ko) *	2016-12-21	2018-10-17	주식회사 포스코	방향성 전기강판용 소둔 분리제 조성물, 방향성 전기강판 및 방향성 전기강판의 제조방법
KR101944901B1 (ko) *	2016-12-21	2019-02-01	주식회사 포스코	방향성 전기강판용 소둔 분리제 조성물, 방향성 전기강판 및 방향성 전기강판의 제조방법
JP6881581B2 (ja) *	2017-07-13	2021-06-02	日本製鉄株式会社	方向性電磁鋼板
KR102084028B1 (ko)	2017-10-16	2020-03-04	에스아이에스 주식회사	소둔 분리제 제조 시스템
KR102080165B1 (ko) *	2017-12-26	2020-02-21	주식회사 포스코	방향성 전기강판용 소둔 분리제 조성물, 방향성 전기강판 및 그의 제조방법
JP7028201B2 (ja) *	2019-01-31	2022-03-02	Ｊｆｅスチール株式会社	焼鈍分離剤および方向性電磁鋼板の製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2003213338A (ja) *	2002-01-28	2003-07-30	Jfe Steel Kk	磁気特性及び被膜特性に優れた方向性電磁鋼板の製造方法
JP2004211145A (ja) *	2002-12-27	2004-07-29	Jfe Steel Kk	低鉄損方向性電磁鋼板の製造方法および仕上焼鈍方法
WO2008047999A1 (fr) *	2006-10-18	2008-04-24	Posco	Agent de separation de recuit pour tole d'acier electrique a grains orientes presentant un film de verre uniforme et d'excellentes proprietes magnetiques, et procede de fabrication associe

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CN1065004C (zh) *	1994-11-16	2001-04-25	新日本制铁株式会社	具有优良玻璃膜及磁性能的晶粒取向电工钢板的生产工艺
JP2953978B2 (ja) *	1995-02-20	1999-09-27	新日本製鐵株式会社	絶縁被膜特性の優れるグラス被膜を有しない厚手方向性電磁鋼板及びその製造方法
FR2761081B1 (fr) *	1997-03-21	1999-04-30	Usinor	Procede de fabrication d'une tole d'acier electrique a grains orientes pour la fabrication notamment de circuits magnetiques de transformateurs
EP0987343B1 (fr) *	1998-09-18	2003-12-17	JFE Steel Corporation	Tôle d' acier au silicium à grains orientés et méthode pour sa fabrication
JP4569070B2 (ja) *	2003-03-13	2010-10-27	Ｊｆｅスチール株式会社	方向性電磁鋼板の仕上焼鈍方法
KR100762436B1 (ko) *	2006-10-18	2007-10-02	주식회사 포스코	표면성상이 우수한 방향성 전기강판용 소둔분리제 및 이를이용한 방향성 전기강판의 제조방법
KR100865316B1 (ko) *	2006-10-18	2008-10-27	주식회사 포스코	균일한 글라스피막과 우수한 자기특성을 갖는 방향성전기강판용 소둔분리제
CN101545072B (zh) *	2008-03-25	2012-07-04	宝山钢铁股份有限公司	一种高电磁性能取向硅钢的生产方法
CN102021282A (zh) *	2009-09-21	2011-04-20	宝山钢铁股份有限公司	一种用于晶粒取向硅钢制备的退火隔离剂及其使用方法
CN103014285B (zh) *	2011-09-28	2015-04-01	宝山钢铁股份有限公司	具有优良磁性能的镜面取向硅钢制造方法及退火隔离剂
KR101480498B1 (ko) *	2012-12-28	2015-01-08	주식회사 포스코	방향성 전기강판 및 그 제조방법

2015
- 2015-11-12 KR KR1020150159096A patent/KR101696627B1/ko active IP Right Grant
- 2015-11-25 CN CN201580064705.2A patent/CN107002158B/zh active Active
- 2015-11-25 EP EP15863386.7A patent/EP3225701A4/fr not_active Withdrawn
- 2015-11-25 JP JP2017528562A patent/JP6535739B2/ja active Active

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2003213338A (ja) *	2002-01-28	2003-07-30	Jfe Steel Kk	磁気特性及び被膜特性に優れた方向性電磁鋼板の製造方法
JP2004211145A (ja) *	2002-12-27	2004-07-29	Jfe Steel Kk	低鉄損方向性電磁鋼板の製造方法および仕上焼鈍方法
WO2008047999A1 (fr) *	2006-10-18	2008-04-24	Posco	Agent de separation de recuit pour tole d'acier electrique a grains orientes presentant un film de verre uniforme et d'excellentes proprietes magnetiques, et procede de fabrication associe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016085257A1 *

Also Published As

Publication number	Publication date
CN107002158B (zh)	2019-06-18
EP3225701A1 (fr)	2017-10-04
JP6535739B2 (ja)	2019-06-26
CN107002158A (zh)	2017-08-01
JP2018504517A (ja)	2018-02-15
KR20160063244A (ko)	2016-06-03
KR101696627B1 (ko)	2017-01-16

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Legal Events

Date	Code	Title	Description
2017-09-01	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2017-10-04	17P	Request for examination filed	Effective date: 20170623
2017-10-04	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2017-10-04	AX	Request for extension of the european patent	Extension state: BA ME
2017-10-25	A4	Supplementary search report drawn up and despatched	Effective date: 20170927
2017-10-25	RIC1	Information provided on ipc code assigned before grant	Ipc: C21D 9/46 20060101ALI20170921BHEP Ipc: C21D 8/12 20060101ALI20170921BHEP Ipc: C21D 1/72 20060101ALI20170921BHEP Ipc: C21D 1/68 20060101AFI20170921BHEP Ipc: C21D 1/70 20060101ALI20170921BHEP
2018-03-07	DAV	Request for validation of the european patent (deleted)
2018-03-07	DAX	Request for extension of the european patent (deleted)
2019-01-23	17Q	First examination report despatched	Effective date: 20181221
2020-01-29	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2020-02-26	INTG	Intention to grant announced	Effective date: 20200130
2020-11-13	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2020-12-16	18D	Application deemed to be withdrawn	Effective date: 20200610