JP6275277B2 - 電磁鋼板用コーティング剤、その製造方法、およびこれを用いた電磁鋼板のコーティング方法 - Google Patents
電磁鋼板用コーティング剤、その製造方法、およびこれを用いた電磁鋼板のコーティング方法 Download PDFInfo
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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
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- C21D1/26—Methods of annealing
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- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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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
- C23C22/05—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 using aqueous solutions
- C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/20—Orthophosphates containing aluminium cations
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C22/05—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 using aqueous solutions
- C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/22—Orthophosphates containing alkaline earth metal cations
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C22/73—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
- 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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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/10—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
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- 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
- H01F1/16—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 in the form of sheets
- H01F1/18—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 in the form of sheets with insulating coating
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Description
前記電磁鋼板は、845℃〜875℃で応力除去焼鈍後、絶縁性が330mA以下であるとよい。
重量比でSi:3.1%を含有し、板厚さ0.23mmの仕上げ焼鈍された1次被膜を有する方向性電磁鋼板(300mm*60mm)を実験材とし、850℃で30秒間乾燥させて試片を製造し、このように製造された試片で基本的な物性を測定した。
Claims (23)
- 前記金属リン酸塩誘導体溶液100重量部に対して、シリカは50〜250重量部添加され、酸化クロムは5〜15重量部添加される、請求項1に記載の電磁鋼板用コーティング剤。
- 前記シリカは、コロイダルシリカ、固体シリカ、またはこれらの混合物である、請求項1に記載の電磁鋼板用コーティング剤。
- 前記シリカがコロイダルシリカおよび前記固体シリカの混合物の場合、金属リン酸塩誘導体溶液100重量部に対して、前記コロイダルシリカは50〜250重量部添加され、前記固体シリカは5〜15重量部添加される、請求項3に記載の電磁鋼板用コーティング剤。
- 前記電磁鋼板用コーティング剤は、金属リン酸塩誘導体溶液100重量部に対して、1〜5重量部の多孔性シリカをさらに含む、請求項1〜4のいずれか1項に記載の電磁鋼板用コーティング剤。
- 前記多孔性シリカは、メソポーラス形態であって、粒子の平均粒径は50〜100nmであり、空隙の大きさは10nm以下である、請求項5に記載の電磁鋼板用コーティング剤。
- 前記電磁鋼板用コーティング剤は、酸化ホウ素をさらに含む、請求項1〜6のいずれか1項に記載の電磁鋼板用コーティング剤。
- 前記酸化ホウ素は、金属リン酸塩誘導体溶液100重量部に対して、1.5〜20.7重量部添加される、請求項7に記載の電磁鋼板用コーティング剤。
- 前記酸化ホウ素は、B2O3である、請求項8に記載の電磁鋼板用コーティング剤。
- 前記コーティング剤は、溶媒をさらに含み、前記溶媒は、金属リン酸塩誘導体溶液100重量部に対して、20〜100重量部添加される、請求項9に記載の電磁鋼板用コーティング剤。
- 金属リン酸塩誘導体を製造する段階と、
前記金属リン酸塩誘導体が含まれている溶液にシリカおよび酸化クロムを添加する段階
とを含み、
前記金属リン酸塩誘導体は、金属リン酸塩およびホウ酸(H3BO3)の縮合反応によって製造され、前記金属リン酸塩は、第1リン酸マグネシウム、第1リン酸アルミニウム、またはこれらの組み合わせである、請求項1〜10のいずれか1項に記載の電磁鋼板用コーティング剤の製造方法。 - 前記金属リン酸塩誘導体は、金属リン酸塩誘導体溶液の重量対比が、58重量%〜63重量%である、請求項11に記載の電磁鋼板用コーティング剤の製造方法。
- 前記電磁鋼板用コーティング剤の製造方法は、金属リン酸塩誘導体溶液100重量部に対して、1〜5重量部の多孔性シリカをさらに添加することを含む、請求項12に記載の電磁鋼板用コーティング剤の製造方法。
- 前記電磁鋼板用コーティング剤の製造方法は、酸化ホウ素をさらに添加することを含む、請求項11〜13のいずれか1項に記載の電磁鋼板用コーティング剤の製造方法。
- 前記酸化ホウ素は、金属リン酸塩誘導体溶液100重量部に対して、1.5〜20.7重量部添加される、請求項14に記載の電磁鋼板用コーティング剤の製造方法。
- 請求項1〜10のいずれか1項に記載の電磁鋼板用コーティング剤を、
仕上げ焼鈍の完了した方向性電磁鋼板上に塗布し、550〜900℃で加熱する、電磁鋼板のコーティング方法。 - 前記塗布量は0.5〜6.0g/m2であり、前記加熱時間は10〜50秒間であり、塗布時のコーティング剤の温度は15〜25℃である、請求項16に記載の電磁鋼板のコーティング方法。
- 前記コーティング層は、多孔性シリカをさらに含む、請求項18に記載の電磁鋼板。
- 前記多孔性シリカは、メソポーラス形態であって、粒子の平均粒径は50〜100nmであり、空隙の大きさは10nm以下である、請求項19に記載の電磁鋼板。
- 前記コーティング層は、酸化ホウ素をさらに含む、請求項18〜20のいずれか1項に記載の電磁鋼板。
- 前記電磁鋼板は、845℃〜875℃で応力除去焼鈍後、曲げ試験によって被膜剥離のない最小円弧径が20mmφ以下である、請求項21に記載の電磁鋼板。
(前記曲げ試験は、10〜100mmφの円弧に接するように曲げて被膜剥離のない最小円弧径を求めることで密着性を評価する試験である) - 前記電磁鋼板は、845℃〜875℃で応力除去焼鈍後、絶縁性が330mA以下である、請求項22に記載の電磁鋼板。
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KR20130161895 | 2013-12-23 | ||
KR10-2013-0161895 | 2013-12-23 | ||
KR1020140181751A KR101632876B1 (ko) | 2013-12-23 | 2014-12-16 | 전기강판용 코팅제, 이의 제조방법 및 이를 사용한 전기강판 코팅방법 |
KR10-2014-0181751 | 2014-12-16 | ||
PCT/KR2014/012491 WO2015099355A1 (ko) | 2013-12-23 | 2014-12-17 | 전기강판용 코팅제, 이의 제조방법 및 이를 사용한 전기강판 코팅방법 |
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JP2017508889A JP2017508889A (ja) | 2017-03-30 |
JP6275277B2 true JP6275277B2 (ja) | 2018-02-07 |
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JP (1) | JP6275277B2 (ja) |
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MX (1) | MX2016008451A (ja) |
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KR102177038B1 (ko) * | 2014-11-14 | 2020-11-10 | 주식회사 포스코 | 방향성 전기강판용 절연피막 조성물, 이를 이용하여 표면에 절연피막이 형성된 방향성 전기강판 및 이의 제조방법 |
KR101701193B1 (ko) * | 2015-10-20 | 2017-02-01 | 주식회사 포스코 | 방향성 전기강판의 절연피막 형성용 조성물, 이를 이용한 절연피막의 형성 방법, 및 절연피막이 형성된 방향성 전기강판 |
WO2017150383A1 (ja) * | 2016-03-03 | 2017-09-08 | 日産化学工業株式会社 | フェニルホスホン酸含有シリカゾル及びその用途 |
CN110114508A (zh) * | 2016-12-28 | 2019-08-09 | 杰富意钢铁株式会社 | 方向性电磁钢板、变压器的铁芯和变压器以及变压器的噪音的降低方法 |
CN113785370A (zh) * | 2019-04-25 | 2021-12-10 | 日本制铁株式会社 | 卷铁心及其制造方法 |
EP4261293A1 (en) * | 2021-03-30 | 2023-10-18 | Nippon Steel Corporation | Non-oriented electromagnetic steel sheet and method for manufacturing same |
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US4347085A (en) * | 1981-04-23 | 1982-08-31 | Armco Inc. | Insulative coatings for electrical steels |
JPS60152681A (ja) | 1984-01-19 | 1985-08-10 | Nippon Steel Corp | 無方向性電磁鋼板の絶縁皮膜 |
JPH0499878A (ja) * | 1990-08-20 | 1992-03-31 | Nkk Corp | 電磁鋼板用絶縁皮膜の形成方法 |
JP2662482B2 (ja) | 1992-08-21 | 1997-10-15 | 新日本製鐵株式会社 | 低鉄損方向性電磁鋼板 |
JP2673767B2 (ja) * | 1992-11-27 | 1997-11-05 | 新日本製鐵株式会社 | 鉄心の加工性が優れ、磁気特性の良好な方向性電磁鋼板およびその製造方法 |
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JP3279451B2 (ja) | 1995-03-01 | 2002-04-30 | 新日本製鐵株式会社 | 電磁鋼板の絶縁被膜形成用の被覆剤及び方向性電磁鋼板 |
JPH08333640A (ja) | 1995-06-07 | 1996-12-17 | Nippon Steel Corp | 耐熱性と密着性の極めて優れる方向性電磁鋼板とその絶縁被膜形成方法 |
JP3604306B2 (ja) | 1999-10-01 | 2004-12-22 | 住友金属工業株式会社 | 絶縁皮膜付き電磁鋼板 |
KR101141280B1 (ko) | 2004-12-28 | 2012-05-15 | 주식회사 포스코 | 장력부여능이 우수한 절연피막 조성물 및 방향성전기강판의 절연피막 형성방법 |
KR100711774B1 (ko) | 2005-12-26 | 2007-04-25 | 주식회사 포스코 | 환원체의 장입 구조를 개선한 용철제조장치 |
KR100733344B1 (ko) * | 2005-12-27 | 2007-06-29 | 주식회사 포스코 | 피막밀착성과 장력부여능이 우수한 방향성 전기강판용절연코팅제 및 그 제조방법 |
JP5522013B2 (ja) | 2010-12-10 | 2014-06-18 | 新日鐵住金株式会社 | クロムフリー絶縁皮膜付き電磁鋼板 |
KR101308732B1 (ko) | 2011-11-21 | 2013-09-13 | 주식회사 포스코 | 광택과 절연성이 우수한 방향성 전기강판용 장력코팅제 조성물 및 이를 이용한 절연피막 형성방법, 그 방법에 의해 형성된 절연피막을 갖는 방향성 전기강판 |
JP5729272B2 (ja) | 2011-11-25 | 2015-06-03 | Jfeスチール株式会社 | 絶縁被膜付き電磁鋼板 |
JP5974636B2 (ja) | 2012-05-29 | 2016-08-23 | Jfeスチール株式会社 | 絶縁被膜付き電磁鋼板 |
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- 2014-12-16 KR KR1020140181751A patent/KR101632876B1/ko active IP Right Grant
- 2014-12-17 MX MX2016008451A patent/MX2016008451A/es unknown
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JP2017508889A (ja) | 2017-03-30 |
KR101632876B1 (ko) | 2016-06-23 |
US10233088B2 (en) | 2019-03-19 |
US20160322138A1 (en) | 2016-11-03 |
CA2934847A1 (en) | 2015-07-02 |
KR20150073851A (ko) | 2015-07-01 |
CA2934847C (en) | 2019-04-23 |
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