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Electrochemical corrosion behavior of platinum-coated lanthanum doped titanium-zirconium-molybdenum alloy

Journal Article


Abstract


  • Electrochemical corrosion behavior of platinum coated (Pt-coated) lanthanum doped titanium-zirconium-molybdenum alloy (La-TZM alloy) was studied in this paper. La-TZM alloy plates were fabricated using powder metallurgy and rolling technique, and platinum was coated on their surfaces by using electroplating. Corrosion behavior of Pt-coated La-TZM alloy samples were investigated in neutral and alkaline medium while the Cl− concentrations keep invariant, which was quantitatively analyzed using potentiodynamic polarization, scanning electron microscope and energy spectrum techniques. Results show that the Pt-coating can improve the corrosion resistance of the La-TZM alloy. Pt-coating on La-TZM alloy can effectively hinder the matrix alloy electrochemical corrosion during different corrosion mediums. In addition, the Pt-coating on La-TZM alloy in a neutral medium is more corrosion resistant than that in an alkaline medium. Pt-coating can effectively hinder the Cl− destroys the corrosion formed on the surface passivation film, OH− and Cl− double erosion promoted La-TZM alloy intergranular corrosion increased during the electrochemical corrosion processes.

Authors


  •   Hu, Ping (external author)
  •   Song, Rui (external author)
  •   Deng, Junjie (external author)
  •   Chen, Zhen-yu (external author)
  •   Li, Qin-wei (external author)
  •   Hu, Bo-Liang (external author)
  •   Wang, Kuai-She (external author)
  •   Cao, Wei-Cheng (external author)
  •   Liu, Dong-Xin (external author)
  •   Yu, Hai Liang.

Publication Date


  • 2017

Citation


  • Hu, P., Song, R., Deng, J., Chen, Z., Li, Q., Hu, B., Wang, K., Cao, W., Liu, D. & Yu, H. (2017). Electrochemical corrosion behavior of platinum-coated lanthanum doped titanium-zirconium-molybdenum alloy. Journal of Alloys and Compounds, 706 305-311.

Scopus Eid


  • 2-s2.0-85014091672

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers1/187

Number Of Pages


  • 6

Start Page


  • 305

End Page


  • 311

Volume


  • 706

Abstract


  • Electrochemical corrosion behavior of platinum coated (Pt-coated) lanthanum doped titanium-zirconium-molybdenum alloy (La-TZM alloy) was studied in this paper. La-TZM alloy plates were fabricated using powder metallurgy and rolling technique, and platinum was coated on their surfaces by using electroplating. Corrosion behavior of Pt-coated La-TZM alloy samples were investigated in neutral and alkaline medium while the Cl− concentrations keep invariant, which was quantitatively analyzed using potentiodynamic polarization, scanning electron microscope and energy spectrum techniques. Results show that the Pt-coating can improve the corrosion resistance of the La-TZM alloy. Pt-coating on La-TZM alloy can effectively hinder the matrix alloy electrochemical corrosion during different corrosion mediums. In addition, the Pt-coating on La-TZM alloy in a neutral medium is more corrosion resistant than that in an alkaline medium. Pt-coating can effectively hinder the Cl− destroys the corrosion formed on the surface passivation film, OH− and Cl− double erosion promoted La-TZM alloy intergranular corrosion increased during the electrochemical corrosion processes.

Authors


  •   Hu, Ping (external author)
  •   Song, Rui (external author)
  •   Deng, Junjie (external author)
  •   Chen, Zhen-yu (external author)
  •   Li, Qin-wei (external author)
  •   Hu, Bo-Liang (external author)
  •   Wang, Kuai-She (external author)
  •   Cao, Wei-Cheng (external author)
  •   Liu, Dong-Xin (external author)
  •   Yu, Hai Liang.

Publication Date


  • 2017

Citation


  • Hu, P., Song, R., Deng, J., Chen, Z., Li, Q., Hu, B., Wang, K., Cao, W., Liu, D. & Yu, H. (2017). Electrochemical corrosion behavior of platinum-coated lanthanum doped titanium-zirconium-molybdenum alloy. Journal of Alloys and Compounds, 706 305-311.

Scopus Eid


  • 2-s2.0-85014091672

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers1/187

Number Of Pages


  • 6

Start Page


  • 305

End Page


  • 311

Volume


  • 706