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Cast Co-Cr alloy and pure chromium in proteinaceous media: an electrochemical characterization

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An electrochemical characterization (by linear sweep cyclic voltammetry and chronoamperometry at constant potential) of a cast Co-Cr alloy and of pure chromium was performed and their behaviour compared using NaCl 0.15 M and albumin-containing solutions as electrolytes. The amount of ions released was determined. The protein detrimental effect over both materials was detected. Metallic surfaces were also investigated by X-ray photoelectron spectroscopy and observed by means of optical and scanning electron microscopy.

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Authors and Affiliations

  1. Departamento de Quimica, Faculdade de Ciencias da Universidade de Lisboa, R. Ernesto de Vasconcelos, C1, Piso 5, 1700, Lisboa, Portugal

    H. Tomás, A. P. Freire & L. M. Abrantes

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  1. H. Tomás
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  2. A. P. Freire
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  3. L. M. Abrantes
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Tomás, H., Freire, A.P. & Abrantes, L.M. Cast Co-Cr alloy and pure chromium in proteinaceous media: an electrochemical characterization. J Mater Sci: Mater Med 5, 446–451 (1994). https://doi.org/10.1007/BF00058981

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  • DOI: https://doi.org/10.1007/BF00058981

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