KR960010885A - 무방향성 전자강판의 제조방법 - Google Patents

무방향성 전자강판의 제조방법 Download PDF

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KR960010885A
KR960010885A KR1019950031967A KR19950031967A KR960010885A KR 960010885 A KR960010885 A KR 960010885A KR 1019950031967 A KR1019950031967 A KR 1019950031967A KR 19950031967 A KR19950031967 A KR 19950031967A KR 960010885 A KR960010885 A KR 960010885A
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less
rolling
oriented electrical
steel sheet
electrical steel
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KR100266550B1 (ko
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마노루 다까시마
아쓰시 오기노
게이지 사또
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에모또 간지
가와사끼세이데쓰 가부시끼가이샤
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    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
    • 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
    • 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
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/125—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment with application of tension
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/68—Furnace coilers; Hot coilers

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

Abstract

무방향성 전자강판의 제조방법에 관하여, 제품코일내에서 자기특성 및 코일내에서 자기특성 및 판형성을 균일하게 하려하는 것이며, C:0.01wt% 이하, Si:4.0wt% 이하, Mn:1.5wt% 이하, Al:1.5wt% 이하, P:0.2wt% 이하 및 S:0.01wt 이하를 포함하는 강슬라이브에 열간압연을 실시한 후, 1회의 냉간압연 또는 중간 소둔을 사이에 두는 2회의 냉간압연을 실시하고, 이어서 마무리 소둔을 실시하는 일련의 공정에 의해서 무방향성 전자강판을 제조함에 있어서, 상기 열간압연 공정에, 강 슬라이브를 조압연하여 얻어진 시이트 바아를 850~1150℃의 온도영역으로 유지하여 슬라브를 가열하여 발생한 시이트 바아의 온도 불균형을 완화하는 공정과,시이트 바아에 변형을 가하여 시이트 바아에 있어서 석출물 조대화를 촉진하는 공정을 가한 것을 특징으로 하는 무방향성 전자강판의 제조방법.

Description

무방향성 전자강판의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 시이트 바아 코일링이 철손에 주는 영향을 나타내는 도면.
제2A도와 제2B도는 코일링 형상이 자기 특성에 주는 영향을 나타내는 도면.

Claims (6)

  1. C:0.01wt% 이하, Si:4.0wt% 이하, Mn:1.5wt% 이하, Al:1.5wt% 이하, P:0.2wt% 이하 및 S:0.01wt 이하를 포함하는 강슬라이브에 열간압연을 실시한 후, 1회의 냉간압연 또는 중간 소둔을 사이에 두는 2회의 냉간압연을 실시하고, 이어서 마무리 소둔을 실시하는 일련의 공정에 의해서 무방향성 전자강판을 제조함에 있어서, 상기 열간압연 공정에, 강 슬라이브를 조압연(祖壓延)하여 얻어진 시이트 바아를 850~1150℃의 온도영역으로 유지하여 슬라브의 가열로 발생한 시이트 바아의 온도 불균형을 완화하는 공정과,시이트 바아에 변형을 가하여 시이트 바아에 있어서 석출물 조대화(祖大化)를 촉진하는 공정을 가한 것을 특징으로 하는 무방향성 전자강판의 제조방법.
  2. C:0.01wt% 이하, Si:4.0wt% 이하, Mn:1.5wt% 이하, Al:1.5wt% 이하, P:0.2wt% 이하 및 S:0.01wt 이하를 포함하는 강슬라이브에 열간압연을 실시한 후, 1회의 냉간압연 또는 중간 소둔을 사이에 두는 2회의 냉간압연을 실시하고, 이어서 마무리 소둔을 실시하는 일련의 공정에 의해서 무방향성 전자강판을 제조함에 있어서, 상기 열간압연 공정에 있어서, 강 슬라이브를 조압연하여 얻어진 시이트 바아를 850~1150℃의 온도영역으로 하여 내경 100㎜ 이상이면서 외경 3600㎜ 이하의 코일로 권취한 후, 되돌려 감아서 열간 마무리 압연에 제공하는 것을 특징으로 하는 무방향성 전자강판의 제조방법.
  3. 제2항에 있어서, 시이트 바아의 권취를 다음 식을 만족하는 온도 T(℃)로 행하는 것을 특징으로 하는 무방향성 전자강판의 제조방법.
    900.31-2.0183T+1.4139×10-3T2-3.0648×10-7T3-326.7[Cwt%]+11.8[Siwt%]-12.2[Mnwt%]+39.7[Pwt%]+22.8[Alwt%]〉0
  4. 제1항에 있어서, 마무리 소둔후에 압하율 3~15%의 경압연을 실시하는 것을 특징으로 하는 무방향성 전자 강판의 제조방법.
  5. 제2항에 있어서, 마무리 소둔후에 압하율 3~15%의 경압연을 실시하는 것을 특징으로 하는 무방향성 전자 강판의 제조방법.
  6. 제3항에 있어서, 마무리 소둔후에 압하율 3~15%의 경압연을 실시하는 것을 특징으로 하는 무방향성 전자 강판의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950031967A 1994-09-29 1995-09-26 무방향성 전자강판의 제조방법 Expired - Lifetime KR100266550B1 (ko)

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Application Number Priority Date Filing Date Title
JP94-235419 1994-09-29
JP23541994A JP3333794B2 (ja) 1994-09-29 1994-09-29 無方向性電磁鋼板の製造方法

Publications (2)

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KR960010885A true KR960010885A (ko) 1996-04-20
KR100266550B1 KR100266550B1 (ko) 2000-09-15

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US (1) US5637157A (ko)
EP (1) EP0704542B9 (ko)
JP (1) JP3333794B2 (ko)
KR (1) KR100266550B1 (ko)
CN (1) CN1057342C (ko)
DE (1) DE69521757T2 (ko)
TW (1) TW297052B (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100557057C (zh) * 2004-04-16 2009-11-04 新日本制铁株式会社 冲裁加工性和消除应力退火后的磁特性优良的无方向性电磁钢板及其制造方法
JP4648910B2 (ja) * 2006-10-23 2011-03-09 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
JP4709950B2 (ja) * 2009-07-17 2011-06-29 新日本製鐵株式会社 方向性電磁鋼板の製造方法
JP6057082B2 (ja) 2013-03-13 2017-01-11 Ｊｆｅスチール株式会社 磁気特性に優れる無方向性電磁鋼板
JP6418226B2 (ja) * 2015-12-04 2018-11-07 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
TWI658152B (zh) * 2017-03-07 2019-05-01 日商新日鐵住金股份有限公司 無方向性電磁鋼板及無方向性電磁鋼板之製造方法
JP6954464B2 (ja) * 2019-04-22 2021-10-27 Ｊｆｅスチール株式会社 無方向性電磁鋼板の製造方法
MX2024006366A (es) * 2021-11-25 2024-06-11 Jfe Steel Corp Metodo de produccion de chapa de acero laminada en caliente para chapa de acero electrico no orientado y metodo de produccion de chapa de acero electrico no orientado.
KR20230095280A (ko) * 2021-12-22 2023-06-29 주식회사 포스코 무방향성 전기강판 및 그 제조방법
JP7845480B2 (ja) * 2023-06-06 2026-04-14 Ｊｆｅスチール株式会社 無方向性電磁鋼板およびその製造方法

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JPH01225725A (ja) * 1988-03-07 1989-09-08 Nkk Corp 無方向性電磁鋼板の製造方法
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JP3375998B2 (ja) * 1993-01-26 2003-02-10 川崎製鉄株式会社 無方向性電磁鋼板の製造方法
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Publication number Publication date
EP0704542A1 (en) 1996-04-03
JPH0892643A (ja) 1996-04-09
KR100266550B1 (ko) 2000-09-15
EP0704542B9 (en) 2002-12-18
TW297052B (ko) 1997-02-01
DE69521757D1 (de) 2001-08-23
CN1057342C (zh) 2000-10-11
JP3333794B2 (ja) 2002-10-15
DE69521757T2 (de) 2001-10-31
EP0704542B1 (en) 2001-07-18
US5637157A (en) 1997-06-10
CN1133891A (zh) 1996-10-23

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