JPWO2016163116A1 - 絶縁被膜付き電磁鋼板 - Google Patents
絶縁被膜付き電磁鋼板 Download PDFInfo
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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 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
- C21D8/1283—Application of a separating or insulating coating
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
- C23C22/68—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 solutions with pH between 6 and 8
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2518/00—Other type of polymers
- B05D2518/10—Silicon-containing polymers
- B05D2518/12—Ceramic precursors (polysiloxanes, polysilazanes)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/12—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
Abstract
Description
(1)溶接性、耐熱性を重視し、歪取り焼鈍に耐える無機被膜、
(2)打抜性、溶接性の両立を目指し歪取り焼鈍に耐える樹脂含有の無機被膜(すなわち、半有機被膜)、
(3)特殊用途で歪取り焼鈍不可の有機被膜
の3種に分類されるが、汎用品として歪取り焼鈍に耐えるのは、上記(1),(2)に示した無機成分を含む被膜であり、これらは両者ともクロム化合物を含むものが一般的であった。特に、(2)のタイプのクロム系絶縁被膜は、1コート1ベークの製造で無機系絶縁被膜に比較して打抜性を格段に向上させることができるので広く利用されている。
(1)電磁鋼板と、該電磁鋼板上に形成された絶縁被膜と、を有し、
前記絶縁被膜はSi及び粒子状に存在する有機樹脂を含有し、
前記有機樹脂の平均一次粒子径が1.0μm以下であり、
前記有機樹脂の一次粒子のうち、凝集粒子となっている一次粒子の割合が5%以上50%以下であることを特徴とする絶縁被膜付き電磁鋼板。
前記Feの含有量と前記Siの含有量との比(Fe/Si)がモル比で0.01〜0.6である、上記(1)に記載の絶縁被膜付き電磁鋼板。
本実施形態で用いる電磁鋼板は、特定の電磁鋼板に限定されない。例えば、一般的な成分組成の電磁鋼板を用いることができる。一般的な成分としては、Si、Al等が挙げられ、残部はFe及び不可避的不純物である。通常、Siの含有量は0.05〜7.0質量%であり、Alの含有量は2.0質量%以下である。
本実施形態において、絶縁被膜はSi及び粒子状に存在する有機樹脂を含有し、任意にFeを含有してもよい。以下、絶縁被膜に含まれる成分を説明する。
電磁鋼板の前処理は特に限定されない。すなわち、未処理でもよいし、アルカリなどの脱脂処理、塩酸、硫酸、リン酸などの酸洗処理を施すことは有利である。
得られた絶縁被膜付き電磁鋼板の打抜き性及び耐粉吹き性を、以下の評価基準で評価し、結果を表1に示した。
絶縁被膜付き電磁鋼板に対して、15mmφスチールダイスを用いて、かえり高さが50μmに達するまで打ち抜きを行い、その打ち抜き数で評価した。
(判定基準)
◎:120万回以上
○:100万回以上、120万回未満
○−:70万回以上、100万回未満
△:30万回以上、70万回未満
×:30万回未満
従来の耐粉吹き性試験では、実機ラインの状況を模擬できておらず、実機での粉吹き結果とラボ試験結果の整合性が出ないという欠点があった。そこで、より実機での状況を模したX−Yステージ法を用いて、耐粉吹き性を評価した。
試験条件:フェルト接触面幅15mm×15mm、荷重:0.087MPa(0.89kgf/cm2)、絶縁被膜の表面をX−Yプロッターに取り付けたフェルトで摩擦させながら、X軸方向に400mm、Y方向に15mm移動という動きを連続的に行い、一筆書きでフェルトを36m移動させた。移動速度は150mpmとした。試験後のフェルトを蛍光X線で分析し、絶縁被膜の主成分であるSiのフェルトへの付着量を被膜剥離量とし、耐粉吹き性を評価した。
(判定基準)
◎:被膜剥離量が0.1g/m2未満
○:被膜剥離量が0.1g/m2以上、0.15g/m2未満
△:被膜剥離量が0.15g/m2以上、0.20g/m2未満
×:被膜剥離量が0.20g/m2以上
Claims (8)
- 電磁鋼板と、該電磁鋼板上に形成された絶縁被膜と、を有し、
前記絶縁被膜はSi及び粒子状に存在する有機樹脂を含有し、
前記有機樹脂の平均一次粒子径が1.0μm以下であり、
前記有機樹脂の一次粒子のうち、凝集粒子となっている一次粒子の割合が5%以上50%以下であることを特徴とする絶縁被膜付き電磁鋼板。 - 前記絶縁被膜はFeを含有し、
前記Feの含有量と前記Siの含有量との比(Fe/Si)がモル比で0.01〜0.6である、請求項1に記載の絶縁被膜付き電磁鋼板。 - 前記絶縁被膜における、前記FeのFe2O3換算での付着量と前記SiのSiO2換算での付着量の合計に対する、前記絶縁被膜中の有機成分のC換算での付着量の比[C/(Fe2O3+SiO2)]が0.05以上0.8以下である、請求項2に記載の絶縁被膜付き電磁鋼板。
- 前記絶縁被膜の表層に有機系ワックスが濃化し、前記絶縁被膜の表面における前記ワックスの被覆率が1%以上5%以下である、請求項1〜3のいずれか一項に記載の絶縁被膜付き電磁鋼板。
- 前記SiのSiO2換算での付着量が、全付着量の50質量%以上95質量%以下である請求項1〜4のいずれか一項に記載の絶縁被膜付き電磁鋼板。
- 前記有機樹脂のガラス転移点が0℃以上100℃以下である請求項1〜5のいずれか一項に記載の絶縁被膜付き電磁鋼板。
- 前記絶縁被膜は板状シリカを含有する請求項1〜6のいずれか一項に記載の絶縁被膜付き電磁鋼板。
- 前記板状シリカの平均粒子径が10〜600nmであり、アスペクト比が2〜400である請求項7に記載の絶縁被膜付き電磁鋼板。
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JP2015078592 | 2015-04-07 | ||
JP2015078592 | 2015-04-07 | ||
PCT/JP2016/001916 WO2016163116A1 (ja) | 2015-04-07 | 2016-04-05 | 絶縁被膜付き電磁鋼板 |
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US (1) | US10526672B2 (ja) |
EP (1) | EP3282039B1 (ja) |
JP (1) | JP6222363B2 (ja) |
KR (1) | KR102057382B1 (ja) |
CN (1) | CN107429403B (ja) |
RU (1) | RU2684797C1 (ja) |
TW (1) | TWI591208B (ja) |
WO (1) | WO2016163116A1 (ja) |
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JP6638755B2 (ja) * | 2017-03-29 | 2020-01-29 | Jfeスチール株式会社 | 絶縁被膜付き電磁鋼板の製造方法 |
CN110216945A (zh) * | 2019-06-06 | 2019-09-10 | 扬州市顺腾不锈钢照明器材有限公司 | 一种高绝缘性的电磁钢板 |
JP7040507B2 (ja) * | 2019-10-21 | 2022-03-23 | Jfeスチール株式会社 | 絶縁被膜付き電磁鋼板 |
JP7040508B2 (ja) * | 2019-10-21 | 2022-03-23 | Jfeスチール株式会社 | 絶縁被膜付き電磁鋼板 |
US20230002908A1 (en) * | 2019-10-21 | 2023-01-05 | Jfe Steel Corporation | Electrical steel sheet with insulating coating |
JP7360079B2 (ja) * | 2020-06-17 | 2023-10-12 | 日本製鉄株式会社 | 電磁鋼板用コーティング組成物、電磁鋼板、積層コア及び回転電機 |
CN114015329B (zh) * | 2021-12-21 | 2022-05-17 | 东莞市嘉达磁电制品有限公司 | 一种耐腐蚀钕铁硼磁铁及其制备方法 |
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JPH04141590A (ja) * | 1990-10-02 | 1992-05-15 | Kobe Steel Ltd | 絶縁被膜を有する電磁鋼板の製造のための処理液組成物 |
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EP3282039B1 (en) | 2020-01-08 |
RU2684797C1 (ru) | 2019-04-15 |
JP6222363B2 (ja) | 2017-11-01 |
US10526672B2 (en) | 2020-01-07 |
EP3282039A4 (en) | 2018-02-14 |
WO2016163116A1 (ja) | 2016-10-13 |
KR102057382B1 (ko) | 2019-12-18 |
TW201702431A (zh) | 2017-01-16 |
CN107429403B (zh) | 2020-02-14 |
US20180251869A1 (en) | 2018-09-06 |
KR20170129847A (ko) | 2017-11-27 |
CN107429403A (zh) | 2017-12-01 |
EP3282039A1 (en) | 2018-02-14 |
TWI591208B (zh) | 2017-07-11 |
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