KR920700299A - 자기특성이 우수한 무방향성 전자강판의 제조방법 - Google Patents

자기특성이 우수한 무방향성 전자강판의 제조방법

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Publication number
KR920700299A
KR920700299A KR1019900702008A KR900702008A KR920700299A KR 920700299 A KR920700299 A KR 920700299A KR 1019900702008 A KR1019900702008 A KR 1019900702008A KR 900702008 A KR900702008 A KR 900702008A KR 920700299 A KR920700299 A KR 920700299A
Authority
KR
South Korea
Prior art keywords
hot
electrical steel
oriented electrical
steel sheet
magnetic properties
Prior art date
Application number
KR1019900702008A
Other languages
English (en)
Other versions
KR940000819B1 (ko
Inventor
아끼히꼬 니시모도
요시히로 호소야
구니가즈 도미다
도시아끼 우라베
마사하루 지쓰가와
Original Assignee
야마시로 아끼나리
닛뽄 고오깐 가부시끼가이샤
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 야마시로 아끼나리, 닛뽄 고오깐 가부시끼가이샤 filed Critical 야마시로 아끼나리
Publication of KR920700299A publication Critical patent/KR920700299A/ko
Application granted granted Critical
Publication of KR940000819B1 publication Critical patent/KR940000819B1/ko

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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
    • 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
    • C21D8/1244—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
    • C21D8/1261—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 following 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
    • C21D8/1277—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

Landscapes

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

Abstract

내용 없음

Description

자기특성이 우수한 무방향성 전자강판의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 열연권취온도가 열연판 소둔 후의 질화층 깊이에 미치는 영향을 도시한 것이다,
제2도는 열연판 소둔에 있어서의 균열온도 및 균열시간이 최종 소둔 후의 자기특성에 미치는 영향을 도시하는 것이다,
제3도는 본 발명에 있어서의 열연판 소둔조건을 도시한 것이다.

Claims (2)

  1. C : 0.0050wt%이하, Si : 10. ∼4.0wt% Aℓ: 0.1∼2.0wt%, 잔여부 Fe 및 불가피 불순물로 이루어지는 슬래브를 1050℃ 이상, 1150℃ 미만의 온도로 가열하고, 열간압연한 후, 이 열연판을 700℃ 이하에서 권취하여, 탈 스케일한 후, 비산화분위기중에서 열연판 소둔온도 T(℃)가 750∼1050℃로, 또한 균열시간 t(분)와의 관계에서, -131.3logt + 1012.6T-128.5logt + 1078.5를 만족시키는 조건으로 열연판 소둔하고, 1회의 냉간압연 또는 중간 소둔을 끼운 2회 이상의 냉간압연을 실시한 후, 800∼1050℃에서 마무리 소둔하는 것을 특징으로 하는 자기특성이 우수한 무방향성 전자강판의 제조방법.
  2. 제1항에 있어서, 열연판 소둔을 5% 이상의 수소를 함유한 질소－수소 혼합 분위기에서 행하는 것을 특징으로 하는 자기특성이 우수한 무방향성 전자강판의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900702008A 1988-02-03 1989-04-26 자기특성이 우수한 무방향성 전자강판의 제조방법 KR940000819B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63022073A JPH01198426A (ja) 1988-02-03 1988-02-03 磁気特性の優れた無方向性電磁鋼板の製造方法
PCT/JP1989/000439 WO1990012896A1 (en) 1988-02-03 1989-04-26 Method of manufacturing non-oriented electromagnetic steel plates with excellent magnetic characteristics

Publications (2)

Publication Number Publication Date
KR920700299A true KR920700299A (ko) 1992-02-19
KR940000819B1 KR940000819B1 (ko) 1994-02-02

Family

ID=12072711

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900702008A KR940000819B1 (ko) 1988-02-03 1989-04-26 자기특성이 우수한 무방향성 전자강판의 제조방법

Country Status (6)

Country Link
US (1) US5164024A (ko)
EP (1) EP0423331B1 (ko)
JP (1) JPH01198426A (ko)
KR (1) KR940000819B1 (ko)
DE (1) DE68921479T2 (ko)
WO (1) WO1990012896A1 (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01198427A (ja) * 1988-02-03 1989-08-10 Nkk Corp 磁気特性の優れた無方向性電磁鋼板の製造方法
JPH086135B2 (ja) * 1991-04-25 1996-01-24 新日本製鐵株式会社 磁気特性の優れた無方向性電磁鋼板の製造方法
BE1006599A6 (fr) * 1993-01-29 1994-10-25 Centre Rech Metallurgique Procede de fabrication d'une tole d'acier laminee a chaud presentant des proprietes magnetiques elevees.
JP3333794B2 (ja) * 1994-09-29 2002-10-15 川崎製鉄株式会社 無方向性電磁鋼板の製造方法
SG93282A1 (en) * 1997-01-29 2002-12-17 Sony Corp Heat shrink band steel sheet and manufacturing method thereof
GB2336795B (en) * 1997-01-29 2000-04-12 Sony Corp Manufacturing method for a heat shrink band steel sheet
KR100479992B1 (ko) * 1999-09-22 2005-03-30 주식회사 포스코 자성이 우수한 무방향성 전기강판 및 그 제조방법
KR100544612B1 (ko) * 2001-12-22 2006-01-24 주식회사 포스코 자성이 우수한 무방향성 전기강판의 제조방법
DE102008039326A1 (de) 2008-08-22 2010-02-25 IWT Stiftung Institut für Werkstofftechnik Verfahren zum elektrischen Isolieren von Elektroblech, elektrisch isoliertes Elektroblech, lamellierter magnetischer Kern mit dem Elektroblech und Verfahren zum Herstellen eines lamellierten magnetischen Kerns
PL2778244T3 (pl) * 2011-11-11 2020-08-10 Nippon Steel Corporation Sposób wytwarzania blachy cienkiej z niezorientowanej stali elektrotechnicznej
KR101449093B1 (ko) * 2011-12-20 2014-10-13 주식회사 포스코 생산성 및 자기적 성질이 우수한 고규소 강판 및 그 제조방법.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4819766B1 (ko) * 1970-03-30 1973-06-15
JPS4926415B1 (ko) * 1970-09-26 1974-07-09
US3770517A (en) * 1972-03-06 1973-11-06 Allegheny Ludlum Ind Inc Method of producing substantially non-oriented silicon steel strip by three-stage cold rolling
US3971678A (en) * 1972-05-31 1976-07-27 Stahlwerke Peine-Salzgitter Aktiengesellschaft Method of making cold-rolled sheet for electrical purposes
JPS5834531B2 (ja) * 1979-01-17 1983-07-27 新日本製鐵株式会社 磁気特性の優れた無方向性珪素鋼板の製造方法
JPS58151453A (ja) * 1982-01-27 1983-09-08 Nippon Steel Corp 鉄損が低くかつ磁束密度のすぐれた無方向性電磁鋼板およびその製造法
JPS58171527A (ja) * 1982-03-31 1983-10-08 Nippon Steel Corp 低級電磁鋼板の製造方法

Also Published As

Publication number Publication date
DE68921479D1 (de) 1995-04-06
US5164024A (en) 1992-11-17
WO1990012896A1 (en) 1990-11-01
JPH0583612B2 (ko) 1993-11-26
EP0423331B1 (en) 1995-03-01
EP0423331A1 (en) 1991-04-24
JPH01198426A (ja) 1989-08-10
EP0423331A4 (en) 1993-02-24
DE68921479T2 (de) 1995-11-09
KR940000819B1 (ko) 1994-02-02

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