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11 条记录 (耗时 0.014 秒)

    ELECTROMAGNETIC STEEL SHEET WITH SEMI-ORGANIC INSULATING COATING FILM
    1.
    发明公开
    ELECTROMAGNETIC STEEL SHEET WITH SEMI-ORGANIC INSULATING COATING FILM 有权
    ELEKTROMAGNETISCHES STAHLBLECH MIT ISOLATIONSBESCHICHTUNGSFILM

    公开(公告)号：EP2597176A1

    公开(公告)日：2013-05-29

    申请号：EP11809461.4

    申请日：2011-07-21

    申请人： JFE Steel Corporation

    发明人： SASHI, Kazumichi ,  OGATA, Hiroyuki ,  TADA, Chiyoko ,  NAKAGAWA, Nobuko ,  FUJIBAYASHI, Nobue ,  SHIGEKUNI, Tomofumi ,  SASAKI, Kenichi

    IPC分类号： C23C22/00 ,  B32B15/08 ,  C22C38/00 ,  H01F1/18

    CPC分类号： C09D163/00 ,  C09D5/084 ,  C09D7/67 ,  C09D7/68 ,  C09D7/70 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C23C22/74 ,  C23C2222/20 ,  H01F1/18 ,  Y10T428/259

    摘要： In a semi-organic insulation coating comprising an inorganic component and an organic resin, a Zr compound and an Si compound containing a plate-like silica as an inorganic component are included in a ratio in a dry coating of 20 to 70 mass% of Zr compound (converted to ZrO 2 ) and 10 to 50 mass% of Si compound containing plate-like silica (converted to SiO 2 ), and the remainder is substantially an organic resin, whereby there can be provided a magnetic steel sheet with a semi-organic insulation coating having no deterioration of corrosion resistance and water resistance without containing a chromium compound and being excellent in the powdering resistance, scratch resistance, sticking resistance, TIG weldability and punchability but also the coating appearance.

    摘要翻译： 在包含无机组分和有机树脂的半有机绝缘涂层中，Zr化合物和含有作为无机组分的板状二氧化硅的Si化合物的比例包括在20至70质量％的Zr的干涂层中 化合物（转化为ZrO 2）和10〜50质量％的含有硅烷化合物的Si化合物（转化为SiO 2），其余为实质上的有机树脂，由此可以提供具有半 - 有机绝缘涂层在不含铬化合物的情况下，耐腐蚀性和耐水性没有劣化，并且耐粉化性，耐擦伤性，耐粘附性，TIG可焊性和冲压性以及涂层外观均优异。

    METHOD FOR FORMING GROOVE ON METAL STRIP SURFACE, AND METHOD FOR PRODUCING GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET
    2.
    发明公开
    METHOD FOR FORMING GROOVE ON METAL STRIP SURFACE, AND METHOD FOR PRODUCING GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET 审中-公开

    公开(公告)号：EP4219775A1

    公开(公告)日：2023-08-02

    申请号：EP21877186.3

    申请日：2021-07-02

    申请人： JFE Steel Corporation

    发明人： TAKAJO, Shigehiro ,  OMURA, Takeshi ,  NAKAGAWA, Nobuko

    IPC分类号： C21D8/12 ,  C22C38/00 ,  C22C38/04 ,  C22C38/14 ,  B23K26/361 ,  H01F1/147

    摘要： A grain-oriented electrical steel sheet with extremely excellent magnetic properties by removing an etching resist coating well to form narrow grooves on a metal strip surface even with low-output laser, while reducing thermal effects on the metal strip caused by laser irradiation, and a method for forming grooves on a metal strip surface, having forming an etching resist coating with 0 to 70 lightness L* on at least one side of the metal strip, irradiating laser with less than 1.5kW output on the etching resist coating while scanning the laser in a direction that intersects a rolling direction of the metal strip to remove a portion of the etching resist coating irradiated by the laser, and etching a portion of the metal strip below the removed portion of the etching resist coating to form grooves, the lightness L* being a L* value in a CIELAB color space (CIE1976L*a*b* color space).

    ELECTROMAGNETIC STEEL SHEET WITH INSULATING FILM
    3.
    发明公开
    ELECTROMAGNETIC STEEL SHEET WITH INSULATING FILM 审中-公开
    带绝缘膜的电磁钢板

    公开(公告)号：EP3282039A1

    公开(公告)日：2018-02-14

    申请号：EP16776288.9

    申请日：2016-04-05

    申请人： JFE Steel Corporation

    发明人： MURAMATSU, Naoki ,  NAKAGAWA, Nobuko ,  SASHI, Kazumichi ,  TADA, Chiyoko

    IPC分类号： C23C22/00 ,  C22C38/00 ,  C21D8/12 ,  C23C22/05 ,  C23C22/68 ,  C09D5/08

    摘要： The disclosure provides an electrical steel sheet with an insulating coating excellent in both punchability and powdering resistance, without any chromium compound being contained in the insulating coating. The electrical steel sheet with an insulating coating includes an electrical steel sheet and an insulating coating formed on the electrical steel sheet. The insulating coating contains Si and particulate organic resin. The organic resin contains primary particles having an average primary particle size of 1.0 µm or less, and 5 % or more and 50 % or less of the primary particles of the organic resin are agglomerated particles.

    摘要翻译： 本发明提供了一种电工钢片，其具有冲孔性和抗粉化性优异的绝缘涂层，绝缘涂层中不含铬化合物。 具有绝缘涂层的电工钢板包括电工钢板和形成在电工钢板上的绝缘涂层。 绝缘涂层含有Si和粒状有机树脂。 有机树脂含有平均一次粒径为1.0μm以下的一次粒子，有机树脂的一次粒子的5％以上且50％以下为凝集粒子。

    COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURE THEREOF
    6.
    发明公开
    COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURE THEREOF 审中-公开
    赫尔辛基大酒店

    公开(公告)号：EP1975268A1

    公开(公告)日：2008-10-01

    申请号：EP07706706.4

    申请日：2007-01-05

    申请人： JFE Steel Corporation

    发明人： YASUHARA, Eiko ,  NAKAGAWA, Nobuko ,  SUGIHARA, Reiko ,  INOUE, Tadashi

    IPC分类号： C22C38/00 ,  C21D9/46

    CPC分类号： C21D9/46 ,  C21D8/0205 ,  C21D2211/005 ,  C22C38/004 ,  C22C38/04 ,  C22C38/18 ,  C22C38/38 ,  C23C2/02 ,  H01M2/0257 ,  H01M2/0285 ,  Y10T29/49108

    摘要： A cold-rolled steel sheet having superior non-ageing properties and low planar anisotropy can be produced at low cost without decreased productivity. This cold-rolled steel sheet contains, by mass, 0.010% to 0.040% carbon, 0.02% or less silicon, 1.0% to 2.5% manganese, 0.02% or less phosphorus, 0.015% or less sulfur, 0.004% or less nitrogen, and 0.020% to 0.070% aluminum, the balance being iron and incidental impurities. The steel sheet has a microstructure including a ferrite phase and a second phase. The volume percentage of the second phase is 0.2% to less than 10%. The steel sheet has an AI of 50 MPa or less, -0.20 ≤ Δr ≤ 0.20, and a thickness of 0.5 mm.

    摘要翻译： 可以低成本地制造具有优异的非老化性能和低平面各向异性的冷轧钢板，而不降低生产率。 该冷轧钢板以质量计含有0.010〜0.040％的碳，0.02％以下的硅，1.0〜2.5％的锰，0.02％以下的磷，0.015％以下的硫，0.004％以下的氮，以及 0.020％至0.070％的铝，余量为铁和杂质。 钢板具有包括铁素体相和第二相的微结构。 第二相的体积百分比为0.2％至小于10％。 钢板的AI为50MPa以下，-0.20‰“r‰0.20”，厚度为0.5mm。

    ELECTROMAGNETIC STEEL SHEET WITH INSULATION COATING FILM
    7.
    发明公开
    ELECTROMAGNETIC STEEL SHEET WITH INSULATION COATING FILM 审中-公开

    公开(公告)号：EP4050122A1

    公开(公告)日：2022-08-31

    申请号：EP20878242.5

    申请日：2020-10-13

    申请人： JFE Steel Corporation

    发明人： NAKAGAWA, Nobuko ,  TADA, Chiyoko ,  MURAMATSU, Naoki

    IPC分类号： C23C22/00

    摘要： To provide an electrical steel sheet with an insulating coating that is excellent in adhesion strength to an anaerobic acrylic adhesive, corrosion resistance, and tension pad resistance. Disclosed is an electrical steel sheet with an insulating coating formed by applying a surface-treatment agent to at least one surface of the electrical steel sheet and drying the surface-treatment agent, wherein the surface-treatment agent contains: certain trialkoxysilane and/or dialkoxysilane (A); a silane coupling agent (B) that does not contain a polymerizable unsaturated group in its structure; plate-like silica (C); a polymerizable unsaturated-group-containing compound (D); and water, within a range satisfying the following conditions (1) to (3): (1) a mass ratio (A/B) of (A) to (B) is from 0.05 to 1.00; (2) a content of (C) is 2 mass% to 30 mass% with respect to a total mass of (A) to (D) in the surface-treatment agent; and (3) a content of (D) is 2 mass% to 18 mass% with respect to the total mass of (A) to (D) in the surface-treatment agent.

    NON-ORIENTED ELECTROMAGNETIC STEEL SHEET, MOTOR CORE, AND METHODS RESPECTIVELY FOR MANUFACTURING SAME
    8.
    发明公开
    NON-ORIENTED ELECTROMAGNETIC STEEL SHEET, MOTOR CORE, AND METHODS RESPECTIVELY FOR MANUFACTURING SAME 审中-公开

    公开(公告)号：EP4036257A1

    公开(公告)日：2022-08-03

    申请号：EP20899309.7

    申请日：2020-10-12

    申请人： JFE Steel Corporation

    发明人： ZAIZEN, Yoshiaki ,  NAKAGAWA, Nobuko ,  ODA, Yoshihiko ,  OKUBO, Tomoyuki ,  TADA, Chiyoko

    IPC分类号： C21D8/12 ,  H01F3/02 ,  C22C38/00 ,  C22C38/14 ,  C22C38/60 ,  H02K1/02 ,  H01F41/02 ,  H01F1/147 ,  C23C22/00

    摘要： In a production of a non-oriented electrical steel sheet by hot-rolling a steel slab containing Si: 2.8 to 6.5 mass% and Zn: 0.0005 to 0.0050 mass% followed by cold rolling and finish annealing, a coating agent containing at least one element selected from Sn, Sb, P, S, Se, As, Te, B, Pb, and Bi is applied to the steel sheet surface after the finish annealing to form an insulation coating with a nitriding-suppressing ability. Alternatively, an intermediate layer containing at least one element selected from Sn, Sb, P, S, Se, As, Te, B, Pb, and Bi and having a nitriding-suppressing ability is formed on the steel sheet iron matrix after the finish annealing and form an insulation coating not containing above elements is formed on the intermediate layer thus to obtain a non-oriented electrical steel sheet from which a rotor core with high strength and stator core with excellent magnetic properties after the stress-relief annealing can be obtained at the same time, and a motor core comprising a stator core and rotor coreis produced from the steel sheet.