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Electrochemical behavior of guidewires made of X10CrNi 18-8 STEEL

W. Walke ; Faculty of Biomedical Engineering, Silesian University of Technology, Gliwice, Poland
J. Przondziono ; Faculty of Materials Science and Metallurgy, Silesian University of Technology, Katowice, Poland

Puni tekst: engleski pdf 858 Kb

str. 371-374

preuzimanja: 614



The purpose of this study was to evaluate corrosion resistance of wires with differentiated of surface preparation and with differentiated work hardening, used in low-invasive cardiology in sterile environment. The study is devoted to voltamperometric and impedance tests, which were used to determine typical features describing corrosion resistance. Measurement system PGSTAT 302n together with a set of measurement electrodes were used for the tests. The tests were carried out in artificial blood plasma at the temperature of T = 37 °C. Obtained results were used as the ground for selecting the way of preparation of the surface of X10CrNi 18-8 steel in order to improve its biotolerance in blood environment.

Ključne riječi

X10CrNi 18-8 steel; corrosion guidewires; artificial plasma; potentiodynamic tests

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