Статья
2018

Electrochemical Corrosion Behavior of Monel Alloy in Carbonate Melts


E. V. Nikitina E. V. Nikitina , N. A. Kazakovtseva N. A. Kazakovtseva , M. A. Maikov M. A. Maikov , V. B. Malkov V. B. Malkov , E. A. Karfidov E. A. Karfidov , A. Yu. Chuikin A. Yu. Chuikin
Российский электрохимический журнал
https://doi.org/10.1134/S1023193518090082
Abstract / Full Text

The interaction of the monel alloy and its corrosion resistance in a melt of alkali metal carbonates in an oxidizing atmosphere was studied. The selectivity of alloy dissolution and modification of the electrode surface after storage at a constant anode potential were analyzed. The generation and development of local corrosion defects (pit corrosion, intercrystallite corrosion, corrosion cracking) on monel alloy (70% nickel, 28% copper), copper, and nickel electrodes in the molten eutectic of lithium, sodium, and potassium carbonates at a working temperature of 773 K were studied. The anode polarization was accompanied by a change in the state of the electrode surface.

Author information
  • Institute of High-Temperature Electrochemistry, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620137, Russia

    E. V. Nikitina, N. A. Kazakovtseva, M. A. Maikov, V. B. Malkov, E. A. Karfidov & A. Yu. Chuikin

  • Ural Federal University named after the first President of Russia B.N. Yeltsin, Yekaterinburg, 620002, Russia

    E. V. Nikitina, M. A. Maikov & E. A. Karfidov

References
  1. Semenova, I.V., Florianovich, G.M., and Horoshilov, A.V., Korroziya i zashchita ot korrozii (Corrosion and Anticorrosion Protection), Moscow: Fizmatlit, 2002.
  2. Manukhina, T.I., Sannikov, V.I., and Penyagina, O.P., Vzaimodeistvie metallov i splavov s rasplavlennymi karbonatami shchelochnykh metallov (Interaction of Metals and Alloys with Molten Alkali Metal Carbonates), Yekaterinburg: Ural Branch, Russian Academy of Sciences, 1999.
  3. Andreev, O.V., Vakulin, A.A., and Kiseleva, K.V., Materialovedenie (Materials Science), Tyumen: Tyumen. Gos. Univ., 2013.
  4. Hakamada, M. and Mabuchi, M., Preparation of nanoporous Ni and Ni–Cu by dealloying of rolled Ni–Mn and Ni–Cu–Mn alloys, J. Alloys Compds., 2009, vol. 485, nos. 1–2, pp. 583–585.
  5. Larin, V.I. and Egorova, L.M., Izuchenie osobennostei povedeniya α-latuni v rastvorakh razlichnogo sostava (Behavior of α-Brass in Solutions of Various Compositions), Visn. Khark. Nats. Univ. im. V.N. Karazina, Khim., 2009, vol. 17, no. 40, pp. 245–252.
  6. Zung, C.P., Tutukina, N.M., and Marshakov, I.K., Sklonnost’ latunei k obestsinkovaniyu v khloridnykh sredakh (Tendency of Brass toward Dezincification in Chloride Media), Kondens. Sredy Mezhfaznyye Granitsy, 2009, vol. 11, no. 4, pp. 349–353.
  7. Marshakov, I.K., Selective corrosion of alloys, Soros Educat. J., 2000, vol. 6, no. 4, pp. 56–62.
  8. Hakamada, M. and Mabuchi, M., Preparation of nanoporous palladium by dealloying: anodic polarization behaviors of Pd–M (M = Fe, Co, Ni) alloys, J. Mater. Trans., 2009, vol. 50, no. 3, pp. 431–435.
  9. Li, X. and Chen, Q., Dealloying of noble-metal alloy nanoparticles, Nano Lett., 2017, vol. 14, pp. 2569–2577.
  10. Tappan, B.C., Steiner, S.A. III, and Luther, E.P., Nanoporous metal foams, Angew. Chem., Int. Ed., 2010, no. 49, pp. 4544–4565.
  11. Zhang, Q., and Zhang, Z., On the electrochemical dealloying of Al-based alloys in a NaCl aqueous solution, Phys. Chem. Chem. Phys., 2010, vol. 12, pp. 1453–1472.
  12. Zhang, J., and Li, C.M., Nanoporous metal: fabrication strategies and advanced electrochemical applications in catalysis, sensing and energy system, Chem. Soc. Rev., 2012, vol. 41, pp. 7016–7031.
  13. Khobotova, E.B. and Egorova, L.M., Regularities of electrochemical dissolution of alloy L-62 in chloride solutions, Electron Mater. Process., 2014, vol. 50, no. 1, pp. 39–44.
  14. Wang, Y., Xu, J., and Wu, B., Electrochemical dealloying of Al2(Au, X) (X = Pt, Pd, PtPd, Ni, Co and NiCo) alloys in NaCl aqueous solution, Phys. Chem. Chem. Phys., 2013, vol. 15, pp. 5499–5509.