Impedance Spectroscopy Study of the Electrochemical Corrosion of Steel Wire Used in Cardiologic Leaders

  • Witold Walke
  • Joanna Przondziono
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7339)


The study presents the results of tests of electrochemical corrosion resistance of wires made of stainless steel X10CrNi18-8 for guides used in invasive cardiology. Measurements were made in artificial blood plasma solution by means of electrochemical tests system VoltaLab®PGP201. On the ground of the registered anodic polarisation curves, factors that characterise electrochemical corrosion resistance, i.e..: breakdown potential, polarisation resistance and corrosion current density, have been described. In order to evaluate phenomena that take place on the surface of the tested steel. Electrochemical Impedance Spectroscopy was employed. Measurements were made with the measurement system AutoLab PGSTAT 302N equipped with FRA2 (Frequency Response Analyser) module. During the tests, impedance spectra of the system were made and obtained data was matched to the equivalent circuit. Moreover, the effect of strain in the drawing process and the way of wire surface preparation on the resistance to electrochemical corrosion.


cardiology leader stainless steel X10CrNi18-8 corrosion resistance EIS 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Witold Walke
    • 1
  • Joanna Przondziono
    • 2
  1. 1.Faculty of Biomedical EngineeringSilesian University of TechnologyGliwicePoland
  2. 2.Faculty of Materials Science and MetallurgySilesian University of TechnologyKatowicePoland

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