Abstract
The electrochemical and corrosion behavior of Fe80.22Si8.25Nb10.09Cu1.44 amorphous metal alloy (AMA) was studied in alkali water solutions with the addition of potassium thiocyanate. An increase in the rate of electrode processes (stimulation) in comparison with the base solution was observed at a KSCN concentration of 0.5, 1.0, and 10.0 mM. At a concentration of 5.0 mM, there was a reduction in both cathodic and anodic processes (inhibition). These findings were interpreted within the framework of an electrochemical mechanism and specific structural features of the electrode material. A change in mechanical properties of AMA after exposure of the alkaline medium with a composition of 0.5 М KON + y mM KSCN, where y = 0.5, 1.0, 5.0, and 10.0, was studied. A change in surface roughness has been established. The fracture pattern changed from a brittle cleavage without influence of the environment to the plastic destruction with crack branching and formation of folded structures for all used solutions. After exposure of the 0.5 М KON + 5 mM KSCN solution, a twofold decrease in tensile strength and Young’s modulus was observed. An increase in the KSCN concentration leads to an increase in surface microhardness.
REFERENCES
Souza, C., Ribeiro, D.V., and Kiminami, C.S., J. Non-Cryst. Solids, 2016, vol. 442, p. 56.
Belkhaoudaa, M., Bazzia, L., Benlhachemib, A., Salghic, R., Hammoutid, B., and Kertite, S., J. Appl. Surf. Sci., 2006, vol. 252, p. 7921.
Chattoraj, I., Baunack, S., Stoica, M., and Gebert, A., Mater. Corros., 2004, vol. 55, p. 36.
V’yugov, P.N. and Dmitrenko, O.E., Vopr. At. Nauki Tekh., 2004, no. 6, p. 185.
Zohdi, H., Shahverdi, H.R., and Hadavi, S.M.M., Electrochem. Commun., 2011, vol. 13, p. 840.
Souza, C.A.C., May, J.E., Oliveira, M.F., Kuri, S.E., Kiminami, C.S., and Carlos, I.A., J. Non-Cryst. Solids, 2002, vol. 304, p. 210.
Zhai, F., Pineda, E., Duarte, M.J., and Crespo, D., J. Alloys Compd., 2014, vol. 604, p. 157.
Botta, W.J., Berger, J.E., Kiminami, C.S., Roche, V., Nogueir, R.P., and Bolfarini, C., J. Alloys Compd., 2014, vol. 586, p. S105.
Pang, S.J., Zhang, T., Asami, K., and Inoue, A., Mater. Trans., JIM, 2001, vol. 42, p. 376.
Gostin, P.F., Gebert, A., and Schultz, L., Corros. Sci., 2010, vol. 52, p. 273.
Kuznetsov, V.V., Filatova, E.A., Telezhkina, A.V., and Kruglikov, S.S., J. Solid State Electrochem., 2018, vol. 22, p. 2267.
Liqun, M. and Inoue, A., Mater. Lett., 1999, vol. 38, p. 58.
Inoue, A. and Takeuchi, A., Intermetallics, 2010, vol. 18, p. 1779.
Lu, Z.P., Liu, C.T., and Porter, W.D., Appl. Phys. Lett., 2003, vol. 83, p. 2581.
Gostin, P.F., Oswald, S., Schultz, L., and Geber, A., Corros. Sci., 2012, vol. 62, p. 112.
Guo, R.Q., Zhang, C., Yang, Y., Peng, Y., and Liu, L., Intermetallic, 2012, vol. 30, p. 94.
Lopez, M.F., Escudero, M.L., and Vida, E., Electrochim. Acta, 1997, vol. 42, p. 659.
Movahedi, B., Enayati, M., and Wong, C., J. Therm. Spray Technol., 2010, vol. 19, p. 1093.
Souza, C.A.C., Bolfarini, C., Botta, F.W.J., Andrade Lma, L.R.P., Oliveira, M.F., and Kiminami, C.S., Mater. Res., 2013, vol. 16, p. 1.
Wang, S.L., Li, H.X., Zhang, X.F., and Yi, S., Mater. Chem. Phys., 2009, vol. 113, p. 878.
Zhang, Z.C., Long, Z.L., Peng, J., Wei, H.Q., Tang, P., and Li, X.G., Rare Met. Mater. Eng., 2010, vol. 39, p. 162.
Kabanov, B.N. and Leikis, D.I., Dokl. Akad. Nauk SSSR, 1947, vol. 58, no. 8, p. 1685.
Kabanov, B.N., Burshtein, P.X., and Frumkin, A.K., Discuss. Faraday Soc., 1947, vol. l, p. 259.
Damaskin, B.B., Petrii, O.A., and Tsirlina, G.A., Elektrokhimiya (Electrochemistry), Moscow: Khimiya, KolosS, 2006, p. 496.
Rozenfel’d, I.L., Ingibitory korrozii (Corrosion Inhibitors), Moscow: Khimiya, 1977, p. 252.
Vigdorovich, V.I. and Tsygankova, L.E., Kinetika i mekhanizm elektrodnykh reaktsii v protsessakh korrozii metallov (Kinetics and Mechanism of Electrode Reactions in Metal Corrosion Processes), Tambov: Izd. Pershina R.V., 2010, p. 50.
Tsygankova, L.E. and Vigdorovich, V.I., Ingibitory korrozii metallov (Inhibitors of Metals Corrosion), Tambov: Izd. Pershina R.V., 2010, p. 136.
Ryabov, A.V. and Okishev, K.Yu., Novye metallicheskie materialy i sposoby ikh proizvodstva (New Metal Materials and Methods for their Production), Chelyabinsk: South Ural State Univ., 2007, p. 11.
Gokhshtein, A.Ya., Elektrokhimiya, 1970, vol. 6, no. 7, p. 979.
Horiuti, J. and Toya, T., in Solid State Surface Science, Green, M., Ed., New York: Marcel Dekker, 1969.
Toya, T., Ito, T., and Ishi, Sh., Elektrokhimiya, 1978, vol. 14, no. 5, p. 703.
ACKNOWLEDGMENTS
The results were partially obtained using the equipment of the Center for Collective Research at Derzhavin Tambov State University.
Funding
This work was supported by the Russian Science Foundation (project no. 22-22-00226).
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Fedorov, V.A., Balybin, D.V., Pluzhnikova, T.N. et al. Corrosion Behavior of Fe80.22Si8.25Nb10.09Cu1.44 Amorphous Alloy in Alkali Solutions with Additions of Potassium Thiocyanate. Prot Met Phys Chem Surf 59, 272–278 (2023). https://doi.org/10.1134/S2070205123700235
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DOI: https://doi.org/10.1134/S2070205123700235