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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 21 (1970), S. 801-803 
    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: Corrosion of aluminium in mixtures of salts and effect of copper ionsCorrosion of aluminium has been studied in stagnant condition, in mixtures of salts, NaCl + NaHCO3, Na2CO3 + NaHCO3 and NaCl + Na2CO3; effect of addition of copper ions has also been studied. It has been found that (shallow) pits are formed only when both chloride and bicarbonate are present. Addition of copper ions occasionally increases the numbers of pits but may some times decrease corrosion.
    Notes: Die Korrosion von Aluminium wurde in ruhenden Lösungen mit den Salzgemischen NaCl + NaHCO3, Na2CO3 + NaHCO3 und NaCl + Na2CO3 untersucht, wobei ebenfalls die Wirkung von Kupferionenzusätzen berücksichtigt wurde. Es stellte sich heraus, daß flache Lochfraßstellen nur dann entstehen, wenn sowohl Chloride als auch Bicarbonate anwesend sind. Zusatz von Kupferionen erhöht gelegentlich die Zahl der Lochfraßstellen, kann jedoch gleichzeitig die Korrosion als solche verringern.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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