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    DUPLEX STAINLESS STEEL HAVING EXCELLENT ALKALI RESISTANCE
    3.
    发明专利
    DUPLEX STAINLESS STEEL HAVING EXCELLENT ALKALI RESISTANCE 未知

    公开(公告)号：CA2779891A1

    公开(公告)日：2011-05-19

    申请号：CA2779891

    申请日：2010-11-11

    Applicant: SUMITOMO METAL IND

    Inventor： KAMINAKA HIDEYA ,  HIGUCHI JUNICHI ,  YAMADE YOSHIAKI ,  YOSHIDA SHUUJI ,  IMAMURA JUNKO

    IPC: C22C38/00 ,  C22C38/58

    Abstract: Disclosed is duplex stainless steel which has excellent alkali resistance, especially corrosion resistance to a high-temperature thick alkali solution and excellent weldability. The duplex stainless steel has a chemical composition that contains, in mass%, 0.03% or less of C, 0.5% or less of Si, 2.0% or less of Mn, 0.04% or less of P, 0.003% or less of S, 25.0% or more but less than 28.0% of Cr, 6.0-10.0% (inclusive) of Ni, 0.2-3.5% (inclusive) of Mo, less than 0.5% of N and 3.0% or less of W, with the balance made up of Fe and unavoidable impurities.

    DUPLEX STAINLESS STEEL HAVING EXCELLENT ALKALI RESISTANCE
    4.
    发明专利
    DUPLEX STAINLESS STEEL HAVING EXCELLENT ALKALI RESISTANCE 未知

    公开(公告)号：CA2779891C

    公开(公告)日：2014-07-08

    申请号：CA2779891

    申请日：2010-11-11

    Applicant: SUMITOMO METAL IND

    Inventor： KAMINAKA HIDEYA ,  HIGUCHI JUNICHI ,  YAMADE YOSHIAKI ,  YOSHIDA SHUUJI ,  IMAMURA JUNKO

    IPC: C22C38/44

    Abstract: The present invention provides a duplex stainless steel having excellent resistance to alkalis and particularly corrosion resistance against high-temperature concentrated alkali solutions and excellent weldability. The duplex stainless steel has a chemical composition comprising, in mass %, C: at most 0.03%, Si: at most 0.5%, Mn: at most 2.0%, P: at most 0.04%, S: at most 0.003%, Cr: at least 25.0% to less than 28.0%, Ni: at least 6.0% to at most 10.0%, Mo: at least 0.2% to at most 3.5%, N: less than 0.5%, W: at most 3.0%, and a remainder of Fe and impurities.

    Sheet stainless steel for separators in solid polymer fuel cells, and solid polymer fuel cells using the same
    5.
    发明专利
    Sheet stainless steel for separators in solid polymer fuel cells, and solid polymer fuel cells using the same 有权
    固体聚合物燃料电池中的分离器的不锈钢和使用该固体聚合物燃料电池的固体聚合物燃料电池

    公开(公告)号：JP2010138487A

    公开(公告)日：2010-06-24

    申请号：JP2009233511

    申请日：2009-10-07

    Applicant: Sumitomo Metal Ind Ltd ,  住友金属工業株式会社

    Inventor： KAMINAKA HIDEYA ,  IMAMURA JUNKO ,  SEKI AKIRA ,  TAKEUCHI KOICHI

    IPC: C23C22/50 ,  C22C38/00 ,  C22C38/58 ,  C23C28/04 ,  C25D11/34 ,  C25F1/06 ,  H01M8/02 ,  H01M8/10

    CPC classification number: H01M8/021 ,  C22C38/40 ,  C22C38/44 ,  H01M2/14 ,  H01M8/0226 ,  H01M8/0228 ,  H01M8/10 ,  H01M2008/1095

    Abstract: PROBLEM TO BE SOLVED: To provide a stainless steel material for separators in solid polymer fuel cells which gives outstanding cell properties with little deterioration in performance during the long-term operation, without any loss of corrosion resistance of the stainless steel separators. SOLUTION: The stainless steel material is provided with a stainless steel matrix material and both a passive coating film on the surface of this stainless steel matrix material and an electrically conductive precipitate. The electrically conductive precipitate penetrates the passive coating film and contains materials originating from the stainless steel matrix material. An electrically conductive layer composed of a non-metallic electrically conductive material is provided on the surface of the passive coating film, and this electrically conductive layer is preferably electrically connected to the stainless steel matrix material via the electrically conductive precipitate interposed. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：为了在固体聚合物燃料电池中提供用于分离器的不锈钢材料，其在长期操作中具有优异的电池性能，性能几乎没有劣化，而不损害不锈钢隔板的耐腐蚀性。

    解决方案：不锈钢材料设置有不锈钢基体材料，并且在该不锈钢基体材料的表面上具有钝化涂层膜和导电沉淀物。 导电沉淀物渗透钝化涂膜并含有源自不锈钢基质材料的材料。 在被动涂膜的表面上设置由非金属导电材料构成的导电层，该导电层优选通过插入的导电性沉淀物与不锈钢基体材料电连接。 版权所有（C）2010，JPO＆INPIT

    Stainless steel for fuel cell separator and fuel cell separator
    6.
    发明专利
    Stainless steel for fuel cell separator and fuel cell separator 有权
    燃料电池分离器和燃料电池分离器不锈钢

    公开(公告)号：JP2010037614A

    公开(公告)日：2010-02-18

    申请号：JP2008203195

    申请日：2008-08-06

    Applicant: Sumitomo Metal Ind Ltd ,  住友金属工業株式会社

    Inventor： ADACHI KAZUHIKO ,  IMAMURA JUNKO ,  HAMADA RYUJI ,  YAZAWA TAKEO ,  TARUYA YOSHIO

    IPC: C22C38/00 ,  C22C38/58 ,  H01M8/02 ,  H01M8/10

    CPC classification number: Y02P70/56

    Abstract: PROBLEM TO BE SOLVED: To provide a fuel cell separator which has a low contact electric resistance and ensures less energy loss, and to provide an austenitic stainless steel which has high strength and excellent formability and a method for manufacturing the same. SOLUTION: A surface part of the stainless steel has a chemical composition which consists of, by mass, ≤0.03% C, 0.01-1.5% Si, 0.01-2.5% Mn, ≤0.035% P, ≤0.01% S, 16.0-30.0% Cr, 12.0-50.0% Ni, 0.4-3.5% B, 0.001-0.2% Al, 0.01-0.1% N, ≤7.0% Mo, ≤5.0% Cu and the balance Fe with impurities and satisfies the expression: 17.0≤Cr+3Mo-2.5B, wherein borides are dispersed in the surface part. A central part in the thickness direction has a chemical composition in which 6.0-30.0% Ni, ≤0.01% B and 0.06-0.3% N are contained and other element has the same chemical composition as the surface part, and the central part has 0.2% proof stress YS of ≥300 N/mm 2 and a total elongation El of ≥40%. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提供具有低接触电阻并且确保较少能量损失的燃料电池隔板，并且提供具有高强度和优异成形性的奥氏体不锈钢及其制造方法。

    解决方案：不锈钢的表面部分具有质量≤0.03％，Si：0.01-1.5％，Mn：0.01〜2.5％，≤0.035％P，≤0.01％S， 16.0-30.0％Cr，12.0-50.0％Ni，0.4-3.5％B，0.001-0.2％Al，0.01-0.1％N，≤7.0％Mo，≤5.0％Cu，余量为Fe和杂质，满足下式： 17.0≤Cr+ 3Mo-2.5B，其中硼化物分散在表面部分中。 厚度方向的中心部分具有化学组成，其中含有6.0-30.0％的Ni，≤0.01％B和0.06-0.3％N，其他元素具有与表面部分相同的化学组成，中心部分具有0.2 ≥300N/ mm 2 的伸缩应力YS和总伸长率≥40％。 版权所有（C）2010，JPO＆INPIT

    Stainless steel material
    7.
    发明专利
    Stainless steel material 有权
    不锈钢材料

    公开(公告)号：JP2010126763A

    公开(公告)日：2010-06-10

    申请号：JP2008302436

    申请日：2008-11-27

    Applicant: Sumitomo Metal Ind Ltd ,  住友金属工業株式会社

    Inventor： KAMINAKA HIDEYA ,  TAKEUCHI KOICHI ,  IMAMURA JUNKO ,  SEKI AKIRA

    IPC: C25F1/06 ,  C22C38/00 ,  C22C38/58 ,  C23C26/00

    Abstract: PROBLEM TO BE SOLVED: To provide a conductive stainless steel material having a low contact resistance suitable as a material for conductive parts. SOLUTION: The conductive stainless steel material is characterized in that it contains a substance derived from a base material formed from stainless steel, has an electrical conductivity, and has conductive deposits deposited on the surface of the base material, wherein the conductive deposits are electrically conductive with the base material. It is preferable that the conductive deposits are conductive smuts formed from a solution containing a non-oxidizing acid, and that a coating layer containing graphitic carbon is provided on the stainless steel material having the conductive deposits. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提供具有适合作为导电部件材料的低接触电阻的导电不锈钢材料。 导电性不锈钢材料的特征在于，其含有源自由不锈钢形成的基材的物质，具有导电性，并且具有沉积在基材表面上的导电性沉积物，其中导电性沉积物 与基材导电。 优选的是，导电性沉积物是由含有非氧化性酸的溶液形成的导电性污点，并且在具有导电性沉积物的不锈钢材料上设置含有石墨碳的涂层。 版权所有（C）2010，JPO＆INPIT

    STAINLESS STEEL SHEET AND ITS PRODUCTION
    8.
    发明专利
    STAINLESS STEEL SHEET AND ITS PRODUCTION 失效

    公开(公告)号：JP2000087259A

    公开(公告)日：2000-03-28

    申请号：JP26196398

    申请日：1998-09-16

    Applicant: SUMITOMO METAL IND

    Inventor： IMAMURA JUNKO ,  TARUYA YOSHIO ,  TAKAHASHI KATSU ,  MASAKI YASUHIRO

    IPC: B21B3/02 ,  B01J35/02 ,  C21D1/26 ,  C21D1/76 ,  C21D9/46 ,  C22C38/00 ,  C22C38/44 ,  C23C24/08 ,  C23C28/00 ,  C23C28/04

    Abstract: PROBLEM TO BE SOLVED: To provide a stainless steel sheet excellent in glare preventability, stain resistance and fingerprint resistance and to provide a method for producing it. SOLUTION: This stainless steel sheet is the one that the surface of a base material having a compsn. contg., by weight, 7 to 35% Cr, 0 to 11% Ni, 0 to 4% Mo, 0.01 to 0.2% N, 0.05 to 2.0% Si, in which index M value expressed by Cr+3Mo+15N} is 10.5 to 50 and having 0.6 to 10 μm surface roughness Ra is provided with an oxidized film contg. 0.3 to 20% SiO2 and having 0.01 to 0.2 μm thickness and a photocatalystic layer contg. 10 to 90% photocatalystic grains and having 0.1 to 10 μm thickness. In the case, as the photocatalystic grains, a mixture of a bonded material of titanium oxide and zirconium titanate is used, its photocatalystic activity is made better. In the case the space between the oxidized film and the photocatalystic layer is provided with a chromate film of 5 to 50 mg/m2 coating weight contg. 50 to 80% silica, its adhesion is made better. More preferably, degreasing with an alkali soln. and bright annealing at 800 to 1200 deg.C in an atmosphere of hydrogen >=8 vol.% and dew point

    Bipolar plate member, bipolar plate laminate, cell structural body and solid polymer type fuel cell
    10.
    发明专利
    Bipolar plate member, bipolar plate laminate, cell structural body and solid polymer type fuel cell 审中-公开
    双极板成员，双极板层压板，细胞结构体和固体聚合物型燃料电池

    公开(公告)号：JP2008078104A

    公开(公告)日：2008-04-03

    申请号：JP2006270426

    申请日：2006-10-02

    Applicant: Sumitomo Metal Ind Ltd ,  住友金属工業株式会社

    Inventor： TARUYA YOSHIO ,  HIGASHIDA YASUTO ,  IMAMURA JUNKO ,  YAMADE YOSHIAKI

    IPC: H01M8/02 ,  H01M8/10

    CPC classification number: H01M8/021 ,  H01M8/0258 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/0297 ,  H01M8/1007 ,  H01M8/241 ,  H01M8/2457 ,  H01M8/2483

    Abstract: PROBLEM TO BE SOLVED: To provide a solid polymer type fuel cell which does not cause leakage of oxide gas, fuel gas or a cooling medium and can make them flow and provide its composing parts, a bipolar plate member, a bipolar plate lamination and a cell structural body. SOLUTION: The bipolar plate member 1 of a solid polymer type fuel cell using a membrane electrode assembly is provided with penetrated holes 2, 3 to make an oxide gas, a fuel gas and a cooling medium flow through each of corresponding passages, a passage groove 4 for making the oxide gas and the fuel gas flow and a passage groove 5 for making the cooling medium flow. At least on a second surface, a plane molded body 7 made of a plastic film is stuck with an adhesive layer in-between, and the plane molded body 7 is provided a penetrated hole 3 for making at least the cooling medium flow into the passage. COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题：为了提供一种固体聚合物型燃料电池，其不会导致氧化物气体，燃料气体或冷却介质的泄漏，并且可以使其流动并提供其组成部件，双极板构件，双极板 层压和电池结构体。 解决方案：使用膜电极组件的固体聚合物型燃料电池的双极板构件1设置有穿透孔2,3，以使氧化物气体，燃料气体和冷却介质流过每个相应通道， 用于使氧化物气体和燃料气体流动的通道槽4和用于使冷却介质流动的通道槽5。 至少在第二表面上，由塑料膜制成的平面成型体7之间粘附有粘合剂层，并且平面成型体7设置有穿透孔3，用于至少使冷却介质流入通道 。 版权所有（C）2008，JPO＆INPIT

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