公开(公告)号：EP3392377A2

公开(公告)日：2018-10-24

申请号：EP16876102.1

申请日：2016-12-19

申请人： Posco

发明人： PARK, Rho-Bum ,  SONG, Yon-Kyun ,  PARK, Ji-Hoon ,  YUN, Hoon ,  CHOE, Seok-Chan ,  KO, Kyoung-Pil

IPC分类号： C23C26/00 ,  C09K15/32 ,  C22C38/04 ,  C23G1/08 ,  C23C22/07 ,  C23C2/40 ,  C25D7/06 ,  C25D3/12 ,  C25D3/22 ,  C09D5/08

CPC分类号： C09D5/08 ,  C09K15/32 ,  C22C38/04 ,  C23C2/40 ,  C23C22/07 ,  C23C26/00 ,  C23G1/08 ,  C25D3/12 ,  C25D3/22 ,  C25D7/06

摘要： The present invention relates to a composition for washing a pickled steel plate, a method for washing a pickled steel plate by using the same, and a steel plate obtained thereby and, more specifically, to a composition for washing a pickled steel plate comprising a phosphoric acid ester compound, an amine-based compound, sodium carbonate, ammonium acetate, ethylene diamine tetraacetic acid(EDTA) and the remainder being water; and a method for washing a pickled steel plate by using the same.

公开(公告)号：EP3305942A4

公开(公告)日：2018-08-01

申请号：EP16802957

申请日：2016-04-25

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： YAMAZAKI SHUICHI ,  TAKAHASHI MASARU ,  TAKEDA KAZUTOSHI ,  FUJII HIROYASU ,  AKAGI AKIRA ,  HORI HIROKI

IPC分类号： C23C22/00 ,  C21D9/46 ,  C23C22/07 ,  C23C22/12 ,  C23C22/20 ,  C23C22/22 ,  H01F1/18

CPC分类号： C23C22/22 ,  C21D9/46 ,  C23C22/00 ,  C23C22/07 ,  C23C22/12 ,  C23C22/20 ,  H01F1/18

摘要： An insulating coating for an electrical steel sheet is provided that is formed on a surface of a base metal of the electrical steel sheet and that contains a polyvalent metal phosphate of one or more elements selected from Al, Zn, Mg and Ca, and has an enriched layer of a divalent metal at an interface with the surface of the base metal. An enrichment of the divalent metal contained in the enriched layer is 0.01 g/m 2 or more and less than 0.2 g/m 2 .

公开(公告)号：EP3346025A4

公开(公告)日：2018-07-25

申请号：EP16841940

申请日：2016-09-01

申请人： JFE STEEL CORP

发明人： TERASHIMA TAKASHI ,  SUEHIRO RYUICHI ,  WATANABE MAKOTO ,  TAKAMIYA TOSHITO

IPC分类号： C23C22/07 ,  C21D9/46 ,  C23C22/00 ,  C23C22/12 ,  C23C22/42 ,  H01F1/18

CPC分类号： C21D9/46 ,  C23C22/00 ,  C23C22/07 ,  C23C22/12 ,  C23C22/42 ,  H01F1/18

摘要： Provided is an insulative coating processing liquid with which an insulative coating having excellent physical properties can be obtained. The insulative coating processing liquid contains: at least one phosphate selected from the group consisting of Mg, Ca, Ba, Sr, Zn, Al, and Mn; and two or more types of colloidal silicas having different mean particle diameters, wherein the total contained amount of the colloidal silicas in terms of the SiO 2 solid content is 50-120 parts by mass with respect to 100 parts by mass of the solid content of the phosphate, a mean particle diameter ratio expressed as r i+1 /r i is not lower than 1.5 when the mean particle diameters of the colloidal silicas are represented as r 1 , ..., r n in an ascending order, and a mass ratio expressed as w i+1 /(w i+1 +w i ) is 0.30-0.90 when the masses of the colloidal silicas in terms of the SiO 2 solid content are represented as w 1 , ..., w n in an ascending order of the respective mean particle diameters. It should be noted that n represents an integer equal to or larger than 2, and i represents an integer of 1-n.

公开(公告)号：EP3070187A4

公开(公告)日：2017-07-26

申请号：EP14874377

申请日：2014-12-17

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： MAKI JUN ,  YAMANAKA SHINTARO ,  IRIKAWA HIDEAKI

IPC分类号： C23C28/00 ,  B21D22/20 ,  C21D1/18 ,  C21D9/00 ,  C22C21/02 ,  C22C38/00 ,  C22C38/14 ,  C23C22/07 ,  C25D13/00 ,  C25D13/20

CPC分类号： B21D53/88 ,  B21D22/208 ,  C21D8/0278 ,  C21D8/0478 ,  C21D9/46 ,  C21D9/48 ,  C22C21/00 ,  C22C21/02 ,  C22C38/00 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/14 ,  C23C2/04 ,  C23C2/06 ,  C23C2/405 ,  C23C22/07 ,  C23C28/32 ,  C23C28/345 ,  C25D13/00 ,  C25D13/20

摘要： [Object] There are provided automobile parts and a method for manufacturing the automobile parts. The automobile parts have an excellent corrosion resistance after coated with a electrodeposition paint with smaller thickness, improve formability and productivity in hot pressing, and also improve chemical conversion treatability after hot press-forming. [Solution] An automobile part according to the present invention includes: a formed steel sheet having an intermetallic compound layer formed on a surface of the steel sheet, the intermetallic compound layer being formed of Al-Fe intermetallic compound having a thickness of 10 µm or more and 50 µm or less, the intermetallic compound layer including a diffusion layer positioned in closest proximity to the steel sheet, the diffusion layer having a thickness of 10 µm or less; a surface coating layer provided on a surface of the intermetallic compound layer, the surface coating layer including a coating containing ZnO and a zinc phosphate coating and having a surface roughness of 3 µm or more and 20 µm or less as a maximum profile height Rt in accordance with JIS B0601 (2001); and an electrodeposition paint film provided on a surface of the surface coating layer and having a thickness of 6 µm or more and less than 15 µm.

摘要翻译： 本发明提供汽车部件和汽车部件的制造方法。 汽车部件在涂覆厚度较小的电沉积涂料后，具有优异的耐腐蚀性，提高热压成形性和生产率，并且还提高热压成形后的化学转化处理性。 根据本发明的汽车部件包括：形成有钢板的表面上形成有金属间化合物层的成形钢板，所述金属间化合物层由厚度为10μm的Al-Fe金属间化合物形成或 所述金属间化合物层包括位于最接近所述钢板的扩散层，所述扩散层的厚度为10μm以下; 设置在所述金属间化合物层的表面上的表面涂层，所述表面涂层包括含有ZnO和磷酸锌涂层的涂层并且具有3μm以上且20μm以下的表面粗糙度作为最大轮廓高度Rt in 根据JIS B0601（2001）; 以及设置在所述表面涂层的表面上且具有6μm以上且小于15μm的厚度的电沉积涂膜。

公开(公告)号：EP2221835B1

公开(公告)日：2016-05-25

申请号：EP10001858.9

申请日：2010-02-23

申请人： Kabushiki Kaisha Kobe Seiko Sho

发明人： Ohwaki, Takeshi ,  Mitani, Hiroyuki ,  Hojo, Hirofumi ,  Yanagisawa, Kasumi ,  Akagi, Nobuaki

IPC分类号： H01F1/24 ,  H01F41/02

CPC分类号： H01F1/20 ,  B22F1/02 ,  B22F2998/00 ,  C22C2202/02 ,  C23C22/07 ,  C23C22/82 ,  H01F1/147 ,  H01F1/24 ,  H01F1/26 ,  H01F41/005 ,  H01F41/0246 ,  Y10T428/12181 ,  B22F2301/35 ,  B22F2302/45

公开(公告)号：EP2322691A4

公开(公告)日：2016-04-20

申请号：EP09770155

申请日：2009-06-23

申请人： ADVANCED TECHNOLOGIES INC

发明人： HIRAI KINJI ,  FURUKAWA MUNEYA ,  AKIYAMA ISAMU

IPC分类号： C23C22/06 ,  B29C65/00 ,  C09D5/00 ,  C23C22/05 ,  C23C22/07 ,  C23C22/83

CPC分类号： C23C22/83 ,  B29C65/02 ,  B29C66/026 ,  B29C66/1122 ,  B29C66/41 ,  B29C66/74283 ,  C09D5/002 ,  C23C22/05 ,  C23C22/07 ,  C23C2222/20

摘要： The present invention provides an iron alloy article having an excellent bonding force between a resin and an iron alloy using an lkoxysilane-containing triazinethiol, and a method for producing the iron alloy article. Disclosed is an iron alloy article including a base composed of iron or an iron alloy, and a resin bonded to at least a portion of a surface of the base through a dehydrated silanol-containing triazinethiol derivative coating, the iron alloy article further including a metal compound film containing at least one selected from the group consisting of a hydroxide, a carboxylate, a phosphate, a sulfate, a thiosulfate, a chloride and a perchloride between the base and the dehydrated silanol-containing triazinethiol derivative coating.

公开(公告)号：EP2537958A4

公开(公告)日：2015-04-29

申请号：EP11744614

申请日：2011-02-15

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： YAMAZAKI SHUICHI ,  KUBOTA TAKESHI ,  KUROSAKI YOUSUKE ,  FUJIKURA MASAHIRO ,  SHIMAZU TAKAHIDE

IPC分类号： C23C22/00 ,  C21D8/12 ,  C21D9/46 ,  C22C38/00 ,  C22C38/06 ,  C22C38/16 ,  C23C8/18 ,  H01F1/16

CPC分类号： H01F1/14783 ,  C21D1/26 ,  C21D6/002 ,  C21D6/005 ,  C21D6/008 ,  C21D8/12 ,  C21D8/1244 ,  C21D8/1283 ,  C21D8/1288 ,  C21D9/46 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/34 ,  C23C8/10 ,  C23C8/18 ,  C23C22/07 ,  C23C22/50 ,  C23C22/74 ,  C23C24/00 ,  C23C28/00 ,  H01F1/18 ,  H01F41/32

摘要： A non-oriented electrical steel sheet includes: a base iron (1); and a tension applying type insulating film (2) of not less than 1 g/m 2 nor more than 6 g/m 2 on a surface of the base iron (1). An oxide layer (3) containing at least one type of oxide selected from the group consisting of Si, Al, and Cr and having a thickness of not less than 0.01 µm nor more than 0.5 µm is formed on the surface of the base iron (1).

公开(公告)号：EP2403978A1

公开(公告)日：2012-01-11

申请号：EP10707888.3

申请日：2010-03-03

申请人： Chemetall GmbH

发明人： SEBRALLA, Lars ,  WALTER, Manfred

IPC分类号： C23C22/83 ,  C23C22/34 ,  C23C22/66 ,  C23C22/56 ,  C23C18/12 ,  C09D5/08 ,  B05D7/14

CPC分类号： B05D7/54 ,  B05D7/51 ,  B05D7/544 ,  B05D7/546 ,  B05D2202/25 ,  B05D2350/60 ,  B05D2518/10 ,  C23C22/07 ,  C23C22/08 ,  C23C22/34 ,  C23C22/56 ,  C23C22/66 ,  C23C22/76 ,  C23C22/78 ,  C23C22/83 ,  C23C2222/20 ,  Y02T50/67 ,  Y10T428/31663

摘要： The invention relates to a method for coating metal surfaces, in particular surfaces of wheels made of an aluminum alloy, in a multi-step method, wherein the metallic surfaces are first contacted with an aqueous composition predominantly containing silane/silanol/siloxane/polysiloxane and thereafter contacted with an aqueous composition predominantly containing at least one phosphonic compound, wherein the phosphonic compounds are selected from among compounds of the type XYZ, wherein Y is an alkyl group having 8 to 16 C atoms, wherein a silane coating and a phosphonate coating are formed successively.

公开(公告)号：EP1700933B1

公开(公告)日：2009-11-18

申请号：EP06300107.7

申请日：2006-02-03

申请人： Nexans

发明人： BRISMALEIN, Christophe ,  DEBLADIS, Francis

IPC分类号： C25D7/06 ,  B21F19/00

CPC分类号： H01B1/023 ,  C23C22/00 ,  C23C22/07 ,  C23C22/24 ,  C23C22/40 ,  C25D5/48 ,  C25D7/0607

公开(公告)号：EP1518943A1

公开(公告)日：2005-03-30

申请号：EP03738527.5

申请日：2003-06-27

申请人： JFE Steel Corporation

发明人： HIGAI, Kazuhiko c/o JFE STEEL CORPRATION ,  SHIMIZU, Tomoyuki c/o JFE STEEL CORPORATION ,  KYOUNO, Kazuaki c/o JFE STEEL CORPRORATION

IPC分类号： C23C22/07 ,  C23C22/53

CPC分类号： C09D5/08 ,  B05D7/51 ,  C23C22/07 ,  Y10T428/12569 ,  Y10T428/12799

摘要： The application provides a surface-treated zinc series plated steel sheet containing a steel sheet having on a surface thereof a zinc series plated layer, and on the plated layer, a surface-treated film containing a reaction product of a metallic salt with the plated metal, and a resin in a mass proportion of from 1 to 50% by mass with respect to the metallic salt, wherein the surface-treated film has a layer mainly containing the reaction product having a thickness of from 0.02 to 3 µm, and the layer mainly containing the reaction product contains 20% by volume or more of the resin contained in the surface-treated film, and a process for producing the same. According to the invention, such a chromium free surface-treated zinc series plated steel sheet is obtained that is excellent in corrosion resistance of flat part, corrosion resistance after forming, electroconductivity and formability, as equivalent to a general-purpose chromate-treated zinc series plated steel sheet. According to the process of the invention, neither chromium nor chromium compound is used, and no special wastewater treatment is necessary in a coating process of a surface treating solution and upon using the surface-treated steel sheet thus obtained.

摘要翻译： 本申请提供了经表面处理的锌系镀覆钢板含有具有在其表面上锌系列镀层钢板，与镀层上的表面处理膜含有金属的盐的反应产物与所述镀覆金属 ，并且在1至50％的质量比例按质量计相对于所述金属的盐，worin表面处理过的电影具有主要含有具有厚度为从0点02分至3微米的反应产物的层的树脂，并且 层主要含有反应产物中含有20体积％以上的包含在所述表面处理的电影中的树脂，以及用于生产它们的方法。 。根据本发明，寻求无铬表面处理的锌系镀覆钢板得到确实具有优异的平坦部分的耐腐蚀性，成形性，导电性和成型性后的耐腐蚀性，作为相当于一个通用铬酸盐处理锌系列 镀覆钢板。 。根据本发明的过程中，既没有铬也不铬化合物被使用，并没有特别的废水处理是必要的表面处理溶液的涂覆过程和在使用时的经表面处理的钢板如此获得。