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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 36 (1985), S. 64-68 
    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: The influence of increased neutral salt content on the corrosion behaviour of non-alloyed steel in well buffered drinking watersThe influence of higher neutral salt contents in well buffered drinking water on the corrosion behaviour of unalloyed steel pipes is described in this paper. The tests were mainly performed by differential methods to measure corrosion rate and iron uptake rate. It could be shown, that higher contents in chloride and sulphate increase corrosion and even more iron uptake rate. Nitrates have no measurable effect. Additionally, it could be shown, that an increase in neutral salts leads to increased local corrosion. Further research in this field by using drinking waters with low buffer capacity will be performed and reported later on.
    Notes: In einem gut gepufferten, inhibitorarmen Trinkwasser wurde der Einfluß erhöhter Neutralsalzgehalte auf das Korrosionsverhalten unlegierten Stahls untersucht. Mit den angewendeten Untersuchungs-methoden zur differentiellen Bestimmung von Korrosions- und Eisen-abgaberaten konnte gezeigt werden, daß die Erhöhung des Chlorid-und Sulfatgehaltes über einen bestimmten Wert hinaus eine erhebliche Erhöhung der Korrosionsrate und eine noch deutlichere Erhöhung der Eisenabgabe an das Trinkwasser verursacht. Höhere Nitratgehalte zeigen dagegen keinen Effekt. Die zusätzliche Auswertung der gebildeten Deckschichten und der gebeizten Rohroberfläche zeigen eine Tendenz zum verstärkten lokalen Angriff mit höherem Neutralsalzgehalt.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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