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KR940007196A - 1차 막이 최소화되고 자성이 뛰어나며 운용성이 우수한 배향 전기 장판의 제조방법 - Google Patents

1차 막이 최소화되고 자성이 뛰어나며 운용성이 우수한 배향 전기 장판의 제조방법 Download PDF

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KR940007196A
KR940007196A KR1019930019206A KR930019206A KR940007196A KR 940007196 A KR940007196 A KR 940007196A KR 1019930019206 A KR1019930019206 A KR 1019930019206A KR 930019206 A KR930019206 A KR 930019206A KR 940007196 A KR940007196 A KR 940007196A
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steel sheet
annealing
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KR960010595B1 (ko
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혼마 호다까
다나까 오사무
마스이 히로아끼
구로끼 가쯔로
하라따니 쯔또무
오노 마사오
아와나까 이사오
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다나까 미노루
신니뽄세이데스 가부시끼가이샤
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    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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    • C23C22/74—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings
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    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
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    • 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
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Abstract

최소화된 1차 막(주로 포르스테라이트로 이루어진 고체 물질)을 가지는 배향 전기 강판을 제공하기 위하여 강판을 MgO가 주성분이고 추가로 황화합물과 선택적으로 클로라이드, 카르보네이트, 나이트레이트 및 설페이트 중 최소한 한 화합물로 이루어지는 어닐링 분리재로 강판을 코팅하고, N2함량이 제한된 대기하에서 최종 어닐링 시킨다.

Description

1차 막이 최소화되고 자성이 뛰어나며 운용성이 우수한 배향 전기 강판의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 어닐링 분리제의 황함량과 자속 밀도 사이의 관계를 나타내는 다이아그램이다.
제2도는 상온에서 본 발명의 강에 홈을 만들었을 때 1차 막의 평균 두께와 강손실 사이의 관계를 나타내는 다이아그램이다.
제3도는 고온에서 본 발명의 강에 홈을 만들었을 때 1차 막의 평균 두께와 강손실 사이의 관계를 나타내는 다이아그램이다.

Claims (13)

  1. 무게 %로 나타낼 때 C 0.03-0.12%, Si 2.5-4.5%, 산에 용해된 Al 0.010-0.050%, N 0.0030-0.0120%, S 0.01-0.06% 및 Mn 0.03-0.20%와 그 나머지는 Fe와 피할 수 없는 불순물로 이루어지는 슬랩을 1200℃ 이상에서 가열하고, 열압연된 판을 얻기 위해 상기 가열된 슬랩을 열압연하고, 열압연된 강판을 1회 냉각 압연 시키거나 냉각압연 도중에 중간 어닐링시키면서 최소한 2회 냉각 압연시키고 어닐링 시키고, 최종 냉각 압연 전에 퀀칭시키고, 냉각 압연된 판을 탈탄화를 포함하는 1차 재결정화 어닐링시키고, MgO 100부에 황을 기준으로 했을 때 황화합물 0.5-10무게부 첨가한 것으로 이루어지는 어닐링 분리제로 이 강판을 코팅시키고, 이 코팅된 강판을 2차 재결정화 어닐링의 역활도 하는 최종 어닐링시키고, 이 어닐링된 강판을 절연막으로 코팅하는 것으로 이루어지는, 1차 막이 최소화되고 자성이 뛰어나고 운용성이 우수한 입자 배향 전기 강판이 제조방법.
  2. 제1항에 있어서, 상기 냉각 압연된 강판에 코팅되는 어닐링 분리제가 추가로 MaO 100무게부에 대해 클로라이드, 카르보네이트, 나이트레이트 및 설페이트로 구성되는 군에서 선택되는 최소한 하나의 화합물을 Cl, (CO3)-2, (NO3)-2및 (SO4)-2이 총량을 기준으로 1-15무게부 함유하는 것이 특징인 제조방법.
  3. 무게 %로 나타낼 때 C 0.03-0.12%, Si 2.5-4.5%, 산에 용해된 Al 0.010-0.050%, N 0.0030-0.0120%, S 0.01-0.06% 및 Mn 0.03-0.20%와 그 나머지는 Fe와 피할 수 없는 불순물로 이루어지는 슬랩을 1200℃ 이상에서 가열하고, 열압연된 판을 얻기 위해 상기 가열된 슬랩을 열압연하고, 열압연된 강판을 1회 냉각 압연 시키거나 냉각압연 도중에 중간 어닐링시키면서 최소한 2회 냉각 압연시키고, 어닐링 시키고, 최종 냉각 압연 전에 퀀칭시키고, 냉각 압연된 판을 탈탄화를 포함하는 1차 재결정화 어닐링시키고, MgO 100부에 Li, K, Bi, Na, Ba, Ca, Mg, Zn, Fe, Zr, Sn, Sr 및 Al의 설파이드로 구성되는 군에서 선택되는 하나 이상의 화합물을 총량 2-30무게부 첨가한 것으로 이루어지는 어닐링 분리제로 이 강판을 코팅시키고, 이 코팅된 강판을 2차 재결정화 어닐링의 역활도 하는 최종 어닐링시키고, 이 어닐링된 강판을 절연막으로 코팅하는 것으로 이루어지는 1차 막이 최소화되고 자성이 뛰어나고 운용성이 우수한 입자 배향 전기 강판이 제조방법.
  4. 제1항에 있어서, 상기 냉각 압연된 강판에 코팅되는 어닐링 분리제가 추가로 MgO 100무게부에 대해 Li, K, Bi, Na, Ba, Ca, Mg, Zn, Fe, Zr, Sn, Sr 및 Al의 클로라이드, 카르보네이트, 나이트레이트 및 설페이트로 구성되는 군에서 선택되는 최소한 하나의 화합물을 총량 2-30무게% 함유하는 것이 특징인 제조방법.
  5. 제1항 내지 제4항중 어느 한 항에 있어서, 상기 어닐링 분리제에 사용된 MgO가 지름 10㎛ 이하인 입자-크기가 MgO의 30% 이상이고 시트르산 활성 (CAA 값)이 30℃에서 측정했을 때 50-300초이고 수화된 물이 5%이하인 것이 특징인 제조방법.
  6. 제1항에 있어서, 상기 탈탄화 어닐링에서 강판의 산소함량이 900ppm이하이고 그 옥사이드 막의 FeO/SiO2비가 0.20이하인 것인 특징인 제조방법.
  7. 제1항에 있어서 상기 강이 Si 1-7%으로 이루어지고, 출발물질로 0.045-0.20% 이상의 P가 사용되는 것이 특징인 제조방법.
  8. 제1항에 있어서, 상기 최종 어닐링에서의 온도 상승이 온도 상승속도 20℃/시간에서, 질소와 수소로 구성되며 질소 함량이 25%이상인 대기에서 수행되는 것이 특징인 제조방법.
  9. 제1항에 있어서, 냉각 압연 도중, 냉각 압연 후, 탈탄화 어닐링 후, 최종 어닐링 후 또는 절연막 처리 후 중의 최소한 한 단계에서, 압착기, 스포로킬(sprocket) 압연기, 마아킹(marking), 레이저 광선 및 국소 에칭 방법 중 최소한 한 방법에 의해 강판의 압연 방향에 45-90°각도와 2-20mm의 간격으로 평균 깊이 1-50㎛이고 평균 넓이 500㎛이하인 홈을 만드는 것이 특징인 제조방법.
  10. 제9항에 있어서, 상기 홈이 최종 어닐링 전 단계에서 강판 온도 300-950℃ 조건인 강판 위에 만들어지는 것이 특징인 제조방법.
  11. 제1항에 있어서, 상기 절연막의 코팅에서, 굽기 후의 절연막 두께가 2-6㎛가 되도록 하기 위해 굽기가 1회 또는 최소한 2회 수행되는 것이 특징인 제조방법.
  12. 제10항에 있어서, 상기 홈이 냉각 압연 도중, 냉각 압연 후 또는 1차 재결정화 어닐링에서의 온도 상승 개시부터 냉각 종결까지의 어떤 한 단계에서 강판 온도 300-950℃ 조건인 강판 위에 만들어지는 것이 특징인 제조방법.
  13. 제1항에 있어서, 상기 열압연된 강판이 어닐링되고 어닐링은 도로부터 퀀칭되는 것이 특징인 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930019206A 1992-09-21 1993-09-21 1차 막이 최소화되고 자성이 뛰어나며 운용성이 우수한 배향 전기 강판의 제조방법 Expired - Fee Related KR960010595B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP251532/1992 1992-09-21
JP4251532A JPH06100937A (ja) 1992-09-21 1992-09-21 グラス被膜を有しない極めて鉄損の優れた珪素鋼板の製造法
JP4251533A JPH06100997A (ja) 1992-09-21 1992-09-21 グラス被膜を有しない磁気特性の優れた珪素鋼板及びその製造法
JP251533/1992 1992-09-21
JP284786/1992 1992-10-22
JP4284786A JPH06136446A (ja) 1992-10-22 1992-10-22 グラス被膜を有しない鉄損の優れた方向性電磁鋼板の製造法

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KR940007196A true KR940007196A (ko) 1994-04-26
KR960010595B1 KR960010595B1 (ko) 1996-08-06

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JP3475258B2 (ja) * 1994-05-23 2003-12-08 株式会社海水化学研究所 セラミック被膜形成剤およびその製造方法
DE19816200A1 (de) * 1998-04-09 1999-10-14 G K Steel Trading Gmbh Verfahren zur Herstellung eines Forsterit-Isolationsfilms auf einer Oberfläche von korn-orientierten, anisotropen, elektrotechnischen Stahlblechen
JP4823719B2 (ja) * 2006-03-07 2011-11-24 新日本製鐵株式会社 磁気特性が極めて優れた方向性電磁鋼板の製造方法
CN104099458B (zh) * 2010-09-09 2016-05-11 新日铁住金株式会社 方向性电磁钢板的制造方法
CA2808774C (en) * 2010-09-10 2015-05-05 Jfe Steel Corporation Grain oriented electrical steel sheet and method for manufacturing the same
JP5891578B2 (ja) * 2010-09-28 2016-03-23 Ｊｆｅスチール株式会社 方向性電磁鋼板
JP6121086B2 (ja) * 2010-09-30 2017-04-26 Ｊｆｅスチール株式会社 方向性電磁鋼板およびその製造方法
JP5360272B2 (ja) * 2011-08-18 2013-12-04 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
CN104024474A (zh) * 2011-12-28 2014-09-03 杰富意钢铁株式会社 具有涂层的取向性电磁钢板及其制造方法
KR101480498B1 (ko) 2012-12-28 2015-01-08 주식회사 포스코 방향성 전기강판 및 그 제조방법
KR20150012205A (ko) 2013-07-24 2015-02-03 주식회사 포스코 방향성 전기강판 및 그 제조방법
CN111656465B (zh) 2018-01-31 2022-12-27 杰富意钢铁株式会社 方向性电磁钢板、使用该方向性电磁钢板而成的变压器的卷绕铁芯和卷绕铁芯的制造方法
KR102221606B1 (ko) * 2018-11-30 2021-02-26 주식회사 포스코 방향성 전기강판 및 그의 제조 방법
CN114423877A (zh) * 2019-09-18 2022-04-29 日本制铁株式会社 方向性电磁钢板的制造方法

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JPS60145382A (ja) * 1984-01-09 1985-07-31 Nippon Steel Corp 磁気特性、皮膜特性とも優れた方向性電磁鋼板の製造方法
JPH0717959B2 (ja) * 1989-03-30 1995-03-01 新日本製鐵株式会社 一方向性高磁束密度電磁鋼板の製造方法
JP2710000B2 (ja) * 1991-07-10 1998-02-04 新日本製鐵株式会社 被膜特性と磁気特性に優れた一方向性珪素鋼板

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