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  • Comparative analysis of electrochemical noise generated during stress corrosion cracking of AISI 304 stainless steel
    Bajt Leban, Mirjam ; Legat, Andraž ; Doleček, Valter
    Electrochemical noise measurements were performed on electrodes made from a sample of AISI 304 (UNS S30400) stainless steel. Potential and current noise were measured under open-circuit conditions in ... a three-electrode system, one of the electrodes being maintained under load and acting as a working electrode. Two types of electrode set-ups were used, which different according to the method of load application. In the first case, the common electrode was a U-bend test specimen, which was subjected to a static, large, but undefined load. In the second case, it was a tensile test specimen, which was subjected to a gradually increasing load (the slow rate load test [SRLT]). U-bend tests were performed in a concentrated solution of magnesium chloride (MgCl2) at an elevated temperature, test specimens being dismantled and examined daily through a microscope. SRLT were conducted in a dilute solution of sodium thiocyanate (NaSCN) at room temperature, with simultaneous electrochemical noise (ECN) and load/elongation measurements. Toward the end of both types of tests, significant simultaneous spikes of voltage and current noise were observed.
    Source: Corrosion. - ISSN 0010-9312 (Vol. 56, No. 9, 2000, str. 921-927)
    Type of material - article, component part
    Publish date - 2000
    Language - english
    COBISS.SI-ID - 391783

source: Corrosion. - ISSN 0010-9312 (Vol. 56, No. 9, 2000, str. 921-927)
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