KR930021822A - 철손이 낮은 입자 방향성 규소강판 및 그 제조방법 - Google Patents

철손이 낮은 입자 방향성 규소강판 및 그 제조방법 Download PDF

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KR930021822A
KR930021822A KR1019930005766A KR930005766A KR930021822A KR 930021822 A KR930021822 A KR 930021822A KR 1019930005766 A KR1019930005766 A KR 1019930005766A KR 930005766 A KR930005766 A KR 930005766A KR 930021822 A KR930021822 A KR 930021822A
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steel sheet
grain
oriented silicon
silicon steel
forming
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KR960003737B1 (ko
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슈이치 야마지키
히로야스 휴지이
다케오 나가시마
요시유키 우시가미
오사무 다나카
가쯔로 구로키
히로아끼 마스이
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나카가와 하지메
신니뽄 세이데쓰 가부시키가이샤
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Priority claimed from JP4116451A external-priority patent/JP2671076B2/ja
Priority claimed from JP4226167A external-priority patent/JP2698003B2/ja
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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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    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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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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    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/10—Oxidising
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    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-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
    • 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
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    • 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
    • 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
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Abstract

본 발명은 강판에 마무리 소둔공정에서 형성된 무기 광물질 피막(유리피막)이 없고 장력 부여형의 절연피막이 2.5mm이상 형성된 입자방향성 규소강판과, 강판에 마무리 소둔공정에서 형서오딘 무기 광물질 피막(유리피막)이 없고 장력 부여형의 절연피막의 2.5mm이상 형성된 입자방향성 규소강판 및 마무리 소둔이 끝난 무기 광물질 피막(유리피막)이 없는 입자방향성 규소강판에 0.001mm이상의 SiO2층을 형성한 후 장력 부여형의 절연피막을 형성하는 입자방향성 규소강판의 절연피막 형성방법에 관한 것이다.

Description

철손이 낮은 입자 방향성 규소강판 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 철손치(鐵損値)에 미치는 유리 박막의 유무, 절연피막두께의 효과를 나타낸 도표.
제2도는 상이한 산소 화학 포텐셜 상태하에 있어서 규소강판을 소둔하여 얻어지는 산화물층의 구조적 차이를 나타낸 광학현미경 사진.
제3도는 약산화성 분위기에서 규소강판을 소둔하여 생성된 SiO2의 얇은 외부 산화층에 대한 적외선 반사흡수 스펙트로그램.

Claims (10)

  1. 강판에 마무리 소둔공정에서 형성된 무기 광물질 피막(유리피막)이 없고, 장력부여형의 절연피막이 2.5㎛이상 형성된 입자 방향성 구소강판.
  2. 제1항에 있어서, 강판 표면에 깊이가 5mm이상이고 폭이 300mm이하인 선형 또는 점형태의 흠을 압연방향에 대하여 45~90의 방향으로 형성한 입자방성 규소강판.
  3. 마무리 소둔이 끝나고 무기 광물질 피막(유리피막)이 없는 입자방향성 규소 강판에 0.001mm이상의 SiO2층을 형성한 후 장력 부여형의 절연피막을 형성하는 입자방향성 규소강판의 절연피막 형성방법.
  4. 제3항에 있어서, 마무리 소둔이 끝난 강판 표면에 무기 광물질 피막(유리피막)이 없는 입자 방향성 규소강판을 약산화성 분위기 중에 유지하고, 그때에 산소 포텐셜과 강판 온도를 제어하는 것에 의하여 외부 산화막만으로 이루어진 SiO2층을 형성하는 입자방향성 규소강판의 절연피막 형성방법.
  5. 제4항에 있어서, Si함유량 2~4.8%의 강판에 대하여 균열 온도 500~700℃의 경우는 약산화성 분위기를 PH2O/PH2≤0.5로, 균열온도 700~1000℃의 경우에는 PH2O/PH2≤0.15로 제어하여 외부산화층만으로 이루어진 SiO2층을 형성하는 입자방향성 규소강판의 절연피막 형성방법(PH2O는 분위기 중의 수증이 분압 PH2는 분위기 중의 수소 분압이다).
  6. 제3항에 있어서, CVD 또는 PVD법에 의하여 0.001mm이상의 SiO2층을 형성하는 입자방향성 규소강판의 절연피막 형성방법.
  7. 마무리 소둔이 끝난 강판 표면에 무기 광물질 피막(유리피막)이 없는 입자 방향성 규소가판이 황산농도를 2~30%로한 황산 또는 황산염수용액안에 10~180초동안 침지되고, 다음에 물로 세척되어 건조되, 그후에 장력부여형 절연피막을 형성하는 입자방향성 규소강판의 절연피막 형성방법.
  8. 마무리 소둔이 끝난 강판 표면에 무기 광물질 피막(유리피막)이 없는 입자 방향성 규소 강판에 수소를 함유하는 분위기 중에서 소부하여 장력부여형 절연피막을 형성하는 입자방향성 규소강판의 절연피막 형성방법.
  9. 제3항 내지 제8항중 어느 한 항에 있어서, 장력 부여형 절연피막의 도포 및 소부처리를 2회이상 반복하는 입자방향성 규소강판의 절연피막 형성방법.
  10. 제3항 내지 제9항중 어느 한 항에 있어서, 장력 부여형으로서 무수 크롬산, 콜로이드성 규화물, 인산염증의 어느 1종 또는 2종이상의 혼합물을 주성분으로 하는 도포액을 사용하는 입자 방향성 규소상판의 절연피막 형성방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930005766A 1992-04-07 1993-04-07 철손이 낮은 입자 방향성 규소강판 및 그 제조방법 KR960003737B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP92-85501 1992-04-07
JP4085501A JP2698501B2 (ja) 1992-04-07 1992-04-07 一方向性珪素鋼板の絶縁皮膜形成方法
JP4116451A JP2671076B2 (ja) 1992-05-08 1992-05-08 超低鉄損一方向性電磁鋼板の製造方法
JP92-116451 1992-05-08
JP92-226167 1992-08-25
JP4226167A JP2698003B2 (ja) 1992-08-25 1992-08-25 一方向性珪素鋼板の絶縁皮膜形成方法

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KR930021822A true KR930021822A (ko) 1993-11-23
KR960003737B1 KR960003737B1 (ko) 1996-03-21

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE69332394T2 (de) * 1992-07-02 2003-06-12 Nippon Steel Corp., Tokio/Tokyo Kornorientiertes Elektroblech mit hoher Flussdichte und geringen Eisenverlusten und Herstellungsverfahren
JP3470475B2 (ja) * 1995-11-27 2003-11-25 Ｊｆｅスチール株式会社 極めて鉄損の低い方向性電磁鋼板とその製造方法
US6039818A (en) * 1996-10-21 2000-03-21 Kawasaki Steel Corporation Grain-oriented electromagnetic steel sheet and process for producing the same
US6280862B1 (en) * 1997-04-03 2001-08-28 Kawasaki Steel Corporation Ultra-low iron loss grain-oriented silicon steel sheet
DE69840771D1 (de) * 1997-10-14 2009-06-04 Nippon Steel Corp N magnetisches stahlblech
US6455100B1 (en) 1999-04-13 2002-09-24 Elisha Technologies Co Llc Coating compositions for electronic components and other metal surfaces, and methods for making and using the compositions
JP2002057019A (ja) 2000-05-30 2002-02-22 Nippon Steel Corp 低騒音トランス用一方向性電磁鋼板
EP1375693A4 (en) * 2001-04-05 2004-12-01 Jfe Steel Corp GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET WITH EXTREMELY LOW WATER LOSS AND MANUFACTURING METHOD THEREFOR
US6758915B2 (en) * 2001-04-05 2004-07-06 Jfe Steel Corporation Grain oriented electromagnetic steel sheet exhibiting extremely small watt loss and method for producing the same
US6713187B2 (en) * 2001-04-23 2004-03-30 Nippon Steel Corporation Grain-oriented silicon steel sheet excellent in adhesiveness to tension-creating insulating coating films and method for producing the same
AU2003273361A1 (en) * 2002-09-23 2004-04-08 Elisha Holding Llc Coating compositions for electronic components and other metal surfaces, and methods for making and using the compositions
TWI272311B (en) * 2003-12-03 2007-02-01 Jfe Steel Corp Method for annealing grain oriented magnetic steel sheet and method for producing grain oriented magnetic steel sheet
BRPI0520381B1 (pt) * 2005-07-14 2016-03-08 Nippon Steel & Sumitomo Metal Corp agente de película isolante para chapa de aço elétrico com grãos orientados que não contém cromo.
JP5754097B2 (ja) * 2010-08-06 2015-07-22 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
US10982329B2 (en) 2015-03-27 2021-04-20 Jfe Steel Corporation Insulation-coated oriented magnetic steel sheet and method for manufacturing same
WO2016158325A1 (ja) 2015-03-27 2016-10-06 Ｊｆｅスチール株式会社 絶縁被膜付き方向性電磁鋼板およびその製造方法
KR101919527B1 (ko) * 2016-12-23 2018-11-16 주식회사 포스코 방향성 전기강판 및 이의 제조방법
CN110832112B (zh) * 2017-07-13 2021-12-21 日本制铁株式会社 方向性电磁钢板
US11225706B2 (en) 2017-07-13 2022-01-18 Nippon Steel Corporation Grain-oriented electrical steel sheet
EP3653753B8 (en) * 2017-07-13 2024-09-25 Nippon Steel Corporation Grain-oriented electrical steel sheet
US20200123632A1 (en) * 2017-07-13 2020-04-23 Nippon Steel Corporation Grain-oriented electrical steel sheet
EP3770290B1 (en) 2018-03-22 2024-04-24 Nippon Steel Corporation Grain-oriented electrical steel sheet and method for producing grain-oriented electrical steel sheet
EP3822386A4 (en) * 2018-07-13 2022-01-19 Nippon Steel Corporation GRAIN ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD OF MAKING THE SAME
JP6962471B2 (ja) * 2018-07-13 2021-11-05 日本製鉄株式会社 方向性電磁鋼板用原板、方向性電磁鋼板用原板の材料となる方向性珪素鋼板、方向性電磁鋼板用原板の製造方法、及び方向性電磁鋼板の製造方法
JP6958738B2 (ja) * 2018-07-13 2021-11-02 日本製鉄株式会社 方向性電磁鋼板及びその製造方法
PL3856938T3 (pl) * 2018-09-26 2024-07-29 Thyssenkrupp Electrical Steel Gmbh Sposób wytwarzania taśmy elektrotechnicznej o ziarnie zorientowanym zaopatrzonej w warstwę izolacyjną i taśma elektrotechniczna o ziarnie zorientowanym
WO2020149330A1 (ja) * 2019-01-16 2020-07-23 日本製鉄株式会社 方向性電磁鋼板の製造方法
WO2020149340A1 (ja) 2019-01-16 2020-07-23 日本製鉄株式会社 方向性電磁鋼板およびその製造方法
PL3913080T3 (pl) 2019-01-16 2024-09-02 Nippon Steel Corporation Blacha ze stali elektrotechnicznej o ziarnach zorientowanych i sposób jej wytwarzania
WO2020149344A1 (ja) 2019-01-16 2020-07-23 日本製鉄株式会社 フォルステライト皮膜を有しない絶縁皮膜密着性に優れる方向性電磁鋼板
WO2020149332A1 (ja) * 2019-01-16 2020-07-23 日本製鉄株式会社 方向性電磁鋼板の製造方法
EP3913089B1 (en) * 2019-01-16 2024-04-24 Nippon Steel Corporation Grain-oriented electrical steel sheet and method for manufacturing the same
WO2020149349A1 (ja) 2019-01-16 2020-07-23 日本製鉄株式会社 方向性電磁鋼板およびその製造方法
BR112021013581B1 (pt) * 2019-01-16 2024-04-30 Nippon Steel Corporation Chapa de aço elétrico de grão orientado sem uma película de forsterita, e, métodos de formação para um revestimento de isolamento e de produção para uma chapa de aço elétrico de grão orientado sem uma película de forsterita
CN113302316B (zh) 2019-01-16 2023-11-28 日本制铁株式会社 方向性电磁钢板及其制造方法
KR102561510B1 (ko) 2019-02-08 2023-08-02 닛폰세이테츠 가부시키가이샤 방향성 전자 강판, 방향성 전자 강판의 절연 피막 형성 방법, 및 방향성 전자 강판의 제조 방법
JP7196939B2 (ja) * 2019-02-08 2022-12-27 日本製鉄株式会社 方向性電磁鋼板、方向性電磁鋼板の絶縁被膜形成方法、及び方向性電磁鋼板の製造方法
EP3715480A1 (en) * 2019-03-26 2020-09-30 Thyssenkrupp Electrical Steel Gmbh Iron-silicon material suitable for medium frequency applications
CN115851004B (zh) * 2021-09-24 2023-12-12 宝山钢铁股份有限公司 一种耐热刻痕型取向硅钢涂层用涂液、取向硅钢板及其制造方法
EP4273280A1 (en) 2022-05-04 2023-11-08 Thyssenkrupp Electrical Steel Gmbh Method for producing a grain-oriented electrical steel strip and grain-oriented electrical steel strip

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789262A (fr) * 1971-09-27 1973-01-15 Nippon Steel Corp Procede de formation d'un film isolant sur un feuillard d'acierau silicium oriente
JPS5224499B2 (ko) * 1973-01-22 1977-07-01
JPS5844152B2 (ja) * 1978-12-27 1983-10-01 川崎製鉄株式会社 下地被膜をほとんど有しない方向性珪素鋼板の製造方法
JPS6035431B2 (ja) * 1982-12-06 1985-08-14 川崎製鉄株式会社 方向性珪素鋼板のコロイド状シリカ−リン酸マグネシウム系コ−ティングの焼付け方法
JPS6013195A (ja) * 1983-07-05 1985-01-23 日立建機株式会社 シ−ルド掘進機のカツタヘツド停止制御装置
JPS60131976A (ja) * 1983-12-19 1985-07-13 Kawasaki Steel Corp 鉄損特性に優れた一方向性けい素鋼板の製造方法
JPS6111721A (ja) * 1984-06-26 1986-01-20 Matsushita Electric Ind Co Ltd コリメ−トレンズ
JPS61117218A (ja) * 1984-11-10 1986-06-04 Nippon Steel Corp 低鉄損一方向性電磁鋼板の製造方法
JPS62253579A (ja) * 1986-04-25 1987-11-05 本田技研工業株式会社 車輌用表示装置
US4909864A (en) * 1986-09-16 1990-03-20 Kawasaki Steel Corp. Method of producing extra-low iron loss grain oriented silicon steel sheets
EP0305966B1 (en) * 1987-08-31 1992-11-04 Nippon Steel Corporation Method for producing grain-oriented electrical steel sheet having metallic luster and excellent punching property
JP2691753B2 (ja) * 1988-10-18 1997-12-17 新日本製鐵株式会社 打抜き性が極めて優れた金属光沢を有する方向性電磁鋼板の製造方法
US5129965A (en) * 1990-07-20 1992-07-14 Nippon Steel Corporation Method of producing grain oriented silicon steel sheets each having a low watt loss and a mirror surface
JPH0730410B2 (ja) * 1990-09-21 1995-04-05 新日本製鐵株式会社 低鉄損一方向性珪素鋼板の製造方法

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