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University of Sarajevo , Sarajevo , Bosnia and Herzegovina
University of Sarajevo , Sarajevo , Bosnia and Herzegovina
University of Montenegro , Podgorica , Montenegro
The Cu-Al-Zn alloy is used as a functional material in industry, and also as a biomaterial. These alloys have excellent electrical properties, good thermal conductivity, and can also be used for biomedical purposes.The basic characteristic of alloys that remember their shape is their independent return to some of their remembered shape when the temperature changes.
The electrochemical behavior of Cu-Al-Zn alloy in phosphate buffer without and in the presence of chloride ions was investigated.
Electrochemical researches were performed in a traditional three-electrode system by means of the Tafel extrapolation method and cyclic voltammetry. Reduced corrosion currents in the anodic and cathodic parts of the voltammogram in the presence of chloride ions indicate their effective inhibitory property for most of the tested bioalloy. With an increase in the concentration of chloride ions, the rate of corrosion decreases, that is, with an increase in the concentration of chloride ions, the efficiency / effectiveness of the inhibitor increases. This bioalloy showed the best resistance to corrosion in a solution of chloride ions in which the concentration was 4.104 mM. The effectiveness of the inhibitor for this concentration is 31.81%.
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