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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 25 (1974), S. 749-750 
    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: Der Einfluß von Kupfersulfat und Eisen-III-sulfat auf die Korrosion und das elektrochemische Verhalten von Titan in 47 n PhosphorsäureDer Einfluß von Cu-Sulfat und Fe-III-sulfat wurde potentiodynamisch und gravimetrisch untersucht. Dabei wurden wirksame (kritische) Inhibitorkonzentrationen gefunden. Die Ergebnisse zeigen, daß beide Salze die Korrosion des Titans in Phosphorsäure bei höheren Temperaturen durch Passivierung inhibieren. Der kathodische Prozeß wird dabei erleichtert und das anodische Potential steigt auf Werte oberhalb des Passivierungspotentials. Dem entsprechend gibt es bei Anwesenheit dieser Salze keine Zone aktiver Korrosion.
    Notes: The influecne of Cu- and Fe-III sulfates has been investigated by potentiodynamic and gravimetric methods. The results show that there are effective (critical) inhibitor concentrations. According to the results obtained both salts inhibit the corrosion of titanium in phosphoric acid at elevated temperatures by passivating the metal. The cathodic process is then facilitated and the anodic potential is increased to values above the passivation potential. Correspondingly, there is no zone of active corrosion in the presence of these salts.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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