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Corrosing Prevention of Insoluble Anode for Steel Strip Electroplating

Research Project

Project/Area Number 04650643
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 金属材料(含表面処理・腐食防食)
Research InstitutionInstitute of Industrial Science, The University of Tokyo

Principal Investigator

MUSHIAKE Katsuhiko  The University of Tokyo, Institute of Industrial Science, Research Assistant, 生産技術研究所, 助手 (10092347)

Project Period (FY) 1992 – 1993
Project Status Completed (Fiscal Year 1993)
Budget Amount *help
¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 1993: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 1992: ¥1,100,000 (Direct Cost: ¥1,100,000)
KeywordsInsoluble Anode / Durability / Acidic Sulfate Bath / Electroplating / Iridium Dioxide / Titanium Substrate / Glass Coating / 不溶性電極 / 鋼板の電気亜鉛めっき / 酸性硫酸電解浴 / 耐食性 / 導電性セラミクス / ガラスコート
Research Abstract

Conventional metal electrodes for oxygen evolution (IrO_2-Ta_2O_5-coated titanium electrodes) are impractical in steel strip electroplating because of their poor durabiblity. The purpose of the present study is to extend the service life of the electrodes by forming protective glass coatings on titanium substrates. The glass coatings were prepared by sintering an admixture of frit and silicide. Ohmic losses in the coatings were estimated to be about 1.2mV and have little influence on cell voltage. Immersion test in boiled sulfuric acid solutions showed that the glass coatings prevent titanium from corroding. The glass-coated substrates were painted with H_2IrCl_6 solutions containing some inorganic additives and fired repeatedly. The metal electrodes thus prepared were tested as anodes in sulfuric acid solutions containing organic brighteners. The service life increased with increasing number of catalyst paintings and decreased with increasing content of the organic agents. The glass coatings and the inorganic additives exert a noticeable effect on the extension of the service life. The observations were described in the forms of straight lines on logarithmic graph paper. The relations make it possible to predict the magnitude of the long-term service life. A novel use of insoluble anodes in the purification of electrolytic solution was also studied. Chloride ion, a common contaminant in zinc sulfate solutions from recycled resources, must be removed prior to the succeeding electrolysis. In a recirculation cell equipped with such anodes of large area, the anion may be effectively eliminated.

Report

(3 results)
  • 1993 Annual Research Report   Final Research Report Summary
  • 1992 Annual Research Report
  • Research Products

    (25 results)

All Other

All Publications (25 results)

  • [Publications] 虫明克彦: "酸性硫酸塩溶液中に溶存する塩化物イオンの拡散定数と溶液粘度に及ぼす硫酸塩濃度の影響" 資源と素材. 110. 17-21 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 増子 昇: "電解酸化法による酸性硫酸塩溶液からの塩化物イオンの除去" 資源と素材. 109. 791-795 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 虫明克彦: "ガラスコートチタン基体電極の耐久性" 電気化学協会秋季大会講演要旨集. 144 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 増子 昇: "電解酸化法による酸性硫酸塩溶液からの塩化物イオンの除去" 第16回ソーダ工業技術討論会講演要旨集. 97-100 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 虫明克彦: "導電性ガラスコートによる酸素発生電極の基体防食" 第2回電極材料研究会資料. 6-8 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 虫明克彦: "チタン基酸素発生電極の硫酸耐食性" 電気化学協会第59回大会講演要旨集. 98 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Katsuhiko Mushiake, Noboru Masuko and Kazuo Koike: ""Effect of Concentration of Sulfate on Diffusivity of Chloride Ion and Viscosity in Acidic Sulfate Solution"" SHIGEN-TO-SOZAI. Vol.110(1). 17-21 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Noboru Masuko, Katsuhiko Mushiake and Kazuo Koike: ""Removal of Chloride Ion from Acidic Sulfate Bath by Electrolytic Oxidation"" SHIGEN-TO-SOZAI. Vol.109(10). 791-795 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Katsuhiko Mushiake and Noboru Masuko: ""Durability of Glass Coated Electrode of Titanium Substrate"" Meeting of the Electrochemical Society of Japan. 144 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Noboru Masuko, Katsuhiko Mushiake and Kazuo Koike: ""Removal of Chloride Ion from Acidic Sulfate Bath by Electrolytic Oxidation"" Meeting of Soda Kogyo Touronkai. 97-100 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Katsuhiko Mushiake and Noboru Masuko: ""Corrosion Prevention of Oxygen Evolving Electrode by Electroconductive Glass Coatings"" Meeting of Denkyoku Zairyou Kenkyukai. 6-8 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Katsuhiko Mushiake and Noboru Masuko: ""Corrosion Resistance of Oxygen Evolving Electrode of Titanium Substrate"" The 59th Annual Meeting of the Electrochemical Society of Japan. 98. (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 虫明克彦: "酸性硫酸塩溶液中に溶存する塩化物イオンの拡散定数と溶液粘度に及ぼす硫酸塩濃度の影響" 資源と素材. 110. 17-21 (1994)

    • Related Report
      1993 Annual Research Report
  • [Publications] 増子 昇: "電解酸化法による酸性硫酸塩溶液からの塩化物イオンの除去" 資源と素材. 109. 791-795 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 虫明克彦: "ガラスコートチタン基体電極の耐久性" 電気化学協会秋季大会講演要旨集. 144 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 増子 昇: "電解酸化法による酸性硫酸塩溶液からの塩化物イオンの除去" 第16回ソーダ工業技術討論会講演要旨集. 97-100 (1992)

    • Related Report
      1993 Annual Research Report
  • [Publications] 虫明克彦: "導電性ガラスコートによる酸素発生電極の基体防食" 第2回電極材料研究会資料. 6-8 (1992)

    • Related Report
      1993 Annual Research Report
  • [Publications] 虫明克彦: "チタン基酸素発生電極の硫酸耐食性" 電気化学協会第59回大会講演要旨集. 98 (1992)

    • Related Report
      1993 Annual Research Report
  • [Publications] 虫明 克彦: "チタン基酸素発生電極の硫酸耐食性" 電気化学協会第59回大会講演要旨集. 98- (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 虫明 克彦: "めっき用チタン基不溶性電極の耐久性改善" 資源・素材学会平成4年春季大会研究・業績発表 講演会要旨集. 373-377 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 増子 昇: "電解酸化法による酸性硫酸塩溶液からの塩化物 イオンの除去" 第16回ソーダ工業技術討論会. 97-100 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 虫明 克彦: "導電性ガラスコートによる酸素発生電極の基体防食" ソーダ工業技術委員会 第2回電極材料研究会. 6-8 (1991)

    • Related Report
      1992 Annual Research Report
  • [Publications] 虫明 克彦: "ガラス被覆チタン基体を用いた酸素発生電極" 表面技術. 42. 86-87 (1991)

    • Related Report
      1992 Annual Research Report
  • [Publications] 虫明 克彦: "溶射法で作製したマグネタイトコート電極の性質" 表面技術. 42. 84-85 (1991)

    • Related Report
      1992 Annual Research Report
  • [Publications] 虫明 克彦: "金属材料基礎講座 No.6 組合わせで作る材料の性質[II](表面処理)" 工学研究社, 113 (1991)

    • Related Report
      1992 Annual Research Report

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Published: 1992-04-01   Modified: 2016-04-21  

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