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  • 1
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Application of dynamic system analysis for investigating oxygen corrosion of iron in neutral aerated solutionsThe oxygen corrosion of iron was investigated in neutral aerated sulphate solutions using electrochemical dc and ac methods as well as non-electrochemical solution analysis. In order to interpret the electrochemical impedance spectra, a physical model was developed and its theoretical transfer function was discussed. The optimum fit of the theoretical transfer function to the experimental data gave system-specific parameters characterizing quantitatively the corrosion rate in the presence of porous 3-D layers and the mechanism of interphase inhibition by added 1,6 hexane-biphosphonic acid.
    Notes: In neutralen, belüfteten sulfathaltigen Lösungen wurde die Sauerstoffkorrosion von Reinsteisen mit Hilfe stationärer und dynamischer elektrochemischer Messungen sowie nichtelektrochemischer Lösungs-analyse untersucht. Zur Interpretation der elektrochemischen Impedanzspektren wurde ein physikalisches Modell entwickelt und dessen theoretische Transferfunktion diskutiert. Optimale Anpassung der theoretischen Transferfunktion an die experimentellen Daten lieferte charakteristische systemspezifische Parameter, die über die Korrosionsgeschwindigkeit in Gegenwart von porösen 3-D Deckschichten und den Wirkungsmechanismus von 1,6 Hexan-biphosphonsäure als Interphaseninhibitor quantitative Aussagen erlauben.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
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