IT1290171B1 - Procedimento per il trattamento di acciaio al silicio, a grano orientato. - Google Patents

Procedimento per il trattamento di acciaio al silicio, a grano orientato.

Info

Publication number
IT1290171B1
IT1290171B1 IT96RM000903A ITRM960903A IT1290171B1 IT 1290171 B1 IT1290171 B1 IT 1290171B1 IT 96RM000903 A IT96RM000903 A IT 96RM000903A IT RM960903 A ITRM960903 A IT RM960903A IT 1290171 B1 IT1290171 B1 IT 1290171B1
Authority
IT
Italy
Prior art keywords
treatment
silicon
procedure
grain oriented
oriented steel
Prior art date
Application number
IT96RM000903A
Other languages
English (en)
Inventor
Stefano Fortunati
Stefano Cicale
Giuseppe Abbruzzese
Susanna Matera
Original Assignee
Acciai Speciali Terni Spa
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 Acciai Speciali Terni Spa filed Critical Acciai Speciali Terni Spa
Publication of ITRM960903A0 publication Critical patent/ITRM960903A0/it
Priority to IT96RM000903A priority Critical patent/IT1290171B1/it
Priority to JP52827498A priority patent/JP2001506703A/ja
Priority to ES97940018T priority patent/ES2168668T3/es
Priority to SK862-99A priority patent/SK284523B6/sk
Priority to KR1019997005739A priority patent/KR100561140B1/ko
Priority to PL97333916A priority patent/PL182803B1/pl
Priority to CZ19992308A priority patent/CZ295507B6/cs
Priority to CN97180953A priority patent/CN1073163C/zh
Priority to US09/331,273 priority patent/US6406557B1/en
Priority to PCT/EP1997/004009 priority patent/WO1998028453A1/en
Priority to AT97940018T priority patent/ATE209700T1/de
Priority to RU99116259/02A priority patent/RU2184787C2/ru
Priority to AU42022/97A priority patent/AU4202297A/en
Priority to DE69708686T priority patent/DE69708686T2/de
Priority to EP97940018A priority patent/EP0950120B1/en
Priority to BR9714234-4A priority patent/BR9714234A/pt
Publication of ITRM960903A1 publication Critical patent/ITRM960903A1/it
Application granted granted Critical
Publication of IT1290171B1 publication Critical patent/IT1290171B1/it

Links

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
    • 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
    • C21D8/1255—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 with diffusion of elements, e.g. decarburising, nitriding
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1222—Hot rolling
    • 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
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233—Cold rolling
    • 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
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/04—Decarburising
    • 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
    • C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular fabrication or treatment of ingot or slab

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Soft Magnetic Materials (AREA)
  • Photovoltaic Devices (AREA)
IT96RM000903A 1996-12-24 1996-12-24 Procedimento per il trattamento di acciaio al silicio, a grano orientato. IT1290171B1 (it)

Priority Applications (16)

Application Number Priority Date Filing Date Title
IT96RM000903A IT1290171B1 (it) 1996-12-24 1996-12-24 Procedimento per il trattamento di acciaio al silicio, a grano orientato.
US09/331,273 US6406557B1 (en) 1996-12-24 1997-07-24 Process for the treatment of grain oriented silicon steel
AT97940018T ATE209700T1 (de) 1996-12-24 1997-07-24 Verfahren zum behandeln von kornorientiertem siliziumstahl
SK862-99A SK284523B6 (sk) 1996-12-24 1997-07-24 Spôsob spracovania ocele na elektrické účely
KR1019997005739A KR100561140B1 (ko) 1996-12-24 1997-07-24 방향성 결정립 규소강의 제조 방법
PL97333916A PL182803B1 (pl) 1996-12-24 1997-07-24 Proces obróbki teksturowanej stali krzemowej
CZ19992308A CZ295507B6 (cs) 1996-12-24 1997-07-24 Způsob úpravy oceli pro elektrotechnické účely
CN97180953A CN1073163C (zh) 1996-12-24 1997-07-24 晶粒取向硅钢的处理工艺
JP52827498A JP2001506703A (ja) 1996-12-24 1997-07-24 粒配向性珪素鋼の処理方法
PCT/EP1997/004009 WO1998028453A1 (en) 1996-12-24 1997-07-24 Process for the treatment of grain oriented silicon steel
ES97940018T ES2168668T3 (es) 1996-12-24 1997-07-24 Proceso para el tratamiento del acero para aplicaciones electricas.
RU99116259/02A RU2184787C2 (ru) 1996-12-24 1997-07-24 Способ обработки кремнистой стали с ориентированной зеренной структурой
AU42022/97A AU4202297A (en) 1996-12-24 1997-07-24 Process for the treatment of grain oriented silicon steel
DE69708686T DE69708686T2 (de) 1996-12-24 1997-07-24 Verfahren zum behandeln von kornorientiertem siliziumstahl
EP97940018A EP0950120B1 (en) 1996-12-24 1997-07-24 Process for the treatment of grain oriented silicon steel
BR9714234-4A BR9714234A (pt) 1996-12-24 1997-07-24 Processo para o tratamento de aço para fins elétricos.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96RM000903A IT1290171B1 (it) 1996-12-24 1996-12-24 Procedimento per il trattamento di acciaio al silicio, a grano orientato.

Publications (3)

Publication Number Publication Date
ITRM960903A0 ITRM960903A0 (it) 1996-12-24
ITRM960903A1 ITRM960903A1 (it) 1998-06-24
IT1290171B1 true IT1290171B1 (it) 1998-10-19

Family

ID=11404619

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96RM000903A IT1290171B1 (it) 1996-12-24 1996-12-24 Procedimento per il trattamento di acciaio al silicio, a grano orientato.

Country Status (16)

Country Link
US (1) US6406557B1 (it)
EP (1) EP0950120B1 (it)
JP (1) JP2001506703A (it)
KR (1) KR100561140B1 (it)
CN (1) CN1073163C (it)
AT (1) ATE209700T1 (it)
AU (1) AU4202297A (it)
BR (1) BR9714234A (it)
CZ (1) CZ295507B6 (it)
DE (1) DE69708686T2 (it)
ES (1) ES2168668T3 (it)
IT (1) IT1290171B1 (it)
PL (1) PL182803B1 (it)
RU (1) RU2184787C2 (it)
SK (1) SK284523B6 (it)
WO (1) WO1998028453A1 (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1290978B1 (it) 1997-03-14 1998-12-14 Acciai Speciali Terni Spa Procedimento per il controllo dell'inibizione nella produzione di lamierino magnetico a grano orientato
KR19990088437A (ko) * 1998-05-21 1999-12-27 에모또 간지 철손이매우낮은고자속밀도방향성전자강판및그제조방법
JP4258349B2 (ja) * 2002-10-29 2009-04-30 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
DE10334493B4 (de) * 2003-07-29 2006-01-05 Klingelnberg Gmbh Verfahren zum Fräsen von Spiralkegelrädern
CN100513060C (zh) * 2006-05-12 2009-07-15 武汉分享科工贸有限公司 无取向冷轧电工钢板制造方法
CN101768697B (zh) 2008-12-31 2012-09-19 宝山钢铁股份有限公司 用一次冷轧法生产取向硅钢的方法
DE102011107304A1 (de) 2011-07-06 2013-01-10 Thyssenkrupp Electrical Steel Gmbh Verfahren zum Herstellen eines kornorientierten, für elektrotechnische Anwendungen bestimmten Elektrostahlflachprodukts
CN102789872B (zh) * 2012-08-20 2015-07-15 烟台正海磁性材料股份有限公司 一种钕铁硼磁体及其制备方法
KR101651797B1 (ko) * 2012-12-28 2016-08-26 제이에프이 스틸 가부시키가이샤 방향성 전기 강판의 제조 방법
DE102014104106A1 (de) 2014-03-25 2015-10-01 Thyssenkrupp Electrical Steel Gmbh Verfahren zur Herstellung von hochpermeablem kornorientiertem Elektroband
EP3196320B1 (en) 2014-09-04 2019-08-21 JFE Steel Corporation Method for manufacturing directional magnetic steel sheet, and nitriding treatment equipment
EP3199649B1 (en) * 2014-09-26 2021-02-17 JFE Steel Corporation Method for manufacturing grain oriented electrical steel sheets and method for evaluating grain oriented electrical steel sheets
DE102015114358B4 (de) 2015-08-28 2017-04-13 Thyssenkrupp Electrical Steel Gmbh Verfahren zum Herstellen eines kornorientierten Elektrobands und kornorientiertes Elektroband
CN110438439B (zh) * 2019-08-30 2021-03-19 武汉钢铁有限公司 气氛区域可调式的渗氮装置及其连续气体渗氮工艺
CN113174546B (zh) * 2021-04-15 2022-06-14 鞍钢股份有限公司 一种解决取向硅钢热轧板晶粒粗大的方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472521A (en) * 1933-10-19 1995-12-05 Nippon Steel Corporation Production method of grain oriented electrical steel sheet having excellent magnetic characteristics
JPH0717961B2 (ja) * 1988-04-25 1995-03-01 新日本製鐵株式会社 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法
US5759293A (en) * 1989-01-07 1998-06-02 Nippon Steel Corporation Decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip
JP2782086B2 (ja) * 1989-05-29 1998-07-30 新日本製鐵株式会社 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法
JPH0730397B2 (ja) * 1990-04-13 1995-04-05 新日本製鐵株式会社 磁気特性の優れた一方向性電磁鋼板の製造方法
JP2883226B2 (ja) * 1991-06-27 1999-04-19 川崎製鉄株式会社 磁気特性の極めて優れた薄方向性けい素鋼板の製造方法
JP2519615B2 (ja) * 1991-09-26 1996-07-31 新日本製鐵株式会社 磁気特性の優れた方向性電磁鋼板の製造方法
KR960010811B1 (ko) * 1992-04-16 1996-08-09 신니뽄세이데스 가부시끼가이샤 자성이 우수한 입자배향 전기 강 시트의 제조방법
US5507883A (en) * 1992-06-26 1996-04-16 Nippon Steel Corporation Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same
DE4311151C1 (de) * 1993-04-05 1994-07-28 Thyssen Stahl Ag Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten
JP3240035B2 (ja) * 1994-07-22 2001-12-17 川崎製鉄株式会社 コイル全長にわたり磁気特性に優れた方向性けい素鋼板の製造方法
JP3598590B2 (ja) * 1994-12-05 2004-12-08 Ｊｆｅスチール株式会社 磁束密度が高くかつ鉄損の低い一方向性電磁鋼板
FR2731713B1 (fr) * 1995-03-14 1997-04-11 Ugine Sa Procede de fabrication d'une tole d'acier electrique a grains orientes pour la realisation notamment de circuits magnetiques de transformateurs
US5643370A (en) * 1995-05-16 1997-07-01 Armco Inc. Grain oriented electrical steel having high volume resistivity and method for producing same
US5885371A (en) * 1996-10-11 1999-03-23 Kawasaki Steel Corporation Method of producing grain-oriented magnetic steel sheet

Also Published As

Publication number Publication date
ITRM960903A1 (it) 1998-06-24
EP0950120B1 (en) 2001-11-28
DE69708686T2 (de) 2004-03-04
PL333916A1 (en) 2000-01-31
CN1073163C (zh) 2001-10-17
ITRM960903A0 (it) 1996-12-24
ES2168668T3 (es) 2002-06-16
CZ230899A3 (cs) 2000-06-14
DE69708686D1 (de) 2002-01-10
EP0950120A1 (en) 1999-10-20
RU2184787C2 (ru) 2002-07-10
PL182803B1 (pl) 2002-03-29
AU4202297A (en) 1998-07-17
CZ295507B6 (cs) 2005-08-17
CN1244220A (zh) 2000-02-09
BR9714234A (pt) 2000-04-18
KR20000062310A (ko) 2000-10-25
SK86299A3 (en) 2000-01-18
SK284523B6 (sk) 2005-05-05
ATE209700T1 (de) 2001-12-15
WO1998028453A1 (en) 1998-07-02
US6406557B1 (en) 2002-06-18
JP2001506703A (ja) 2001-05-22
KR100561140B1 (ko) 2006-03-15

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