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Magnesium alloys spontaneous dissolution features under external anodic polarization in presence of inhibitors

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Abstract

The effect of benzotriazole (BTA) and sodium ethylenediamine tetraacetate (EDTA) to the magnesium dissolution intensity under external anodic polarization was studied. The inhibiting properties of BTA and EDTA in electrochemical corrosion of magnesium were found in the concentration range from 0.005 to 0.0125 M in sodium sulfate solution and from 0.0025 to 0.03 M in sodium chloride solution. In the presence of inhibitors, magnesium dissolution becomes uniform with decreasing surface hydrogenation and crumbling intensity of small particles into solution.

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Correspondence to T. N. Ostanina.

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Original Russian Text © T.N. Ostanina, V.M. Rudoi, A.N. Ovsyannikova, V.B. Malkov, 2010, published in Elektrokhimiya, 2010, Vol. 46, No. 6, pp. 753–760.

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Ostanina, T.N., Rudoi, V.M., Ovsyannikova, A.N. et al. Magnesium alloys spontaneous dissolution features under external anodic polarization in presence of inhibitors. Russ J Electrochem 46, 707–713 (2010). https://doi.org/10.1134/S1023193510060169

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  • DOI: https://doi.org/10.1134/S1023193510060169

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