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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 31 (1980), S. 173-178 
    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 tests on aluminium in halogenated hydrocarbons of practical importanceSpecially selected aluminium alloys (Al99.5, AlMn, AlMgMn, and AlMg4.5Mn) were tested as to their corrosion behaviour in the halogenated hydrocarbons CCl4, C2Cl4, and CCl3CH3.In the stabilized halogenated hydrocarbons C2Cl4 and CCl3CH3, at boiling temperature and three months' time of exposure, no losses of weight of the aluminium materials were observed.However, for the systems of aluminium material exposed to CCl4 (at boiling temperature) as well as to nonstabilized CCl3CH3, the incubation times - after which large corrosion rates then were observed - are typical.The hydrolysis product HCl is the determining corrosion factor for the aluminium materials in the two-phase systems of halocarbons and water tested.
    Notes: Es wurde das Korrosionsverhalten von ausgewählten Aluminiumlegierungen (Al99.5 - AlMn - AlMgMn und AlMg4,5Mn) in den Halogenkohlenwasserstoffen (HKW) CCl4, C2Cl4 und CCl3CH3 untersucht.In den stabilisierten Halogenkohlenwasserstoffen C2Cl4 und CCl3CH3 wurde bei Siedetemperaturen und Expositionszeiten von drei Monaten kein Massenabtrag an den Aluminiumwerkstoffen beobachtet.Dagegen sind für die Systeme der Aluminiumwerkstoffe in CCl4 (bei Siedetemperatur) sowie in unstabilisiertem CCl3CH3 die Inkubationszeiten charakteristisch, nach denen dann große Korrosionsraten beobachtet wurden.In den Zweiphasensystemen der untersuchten Halogenkohlenwasserstoffe und Wasser wird die Korrosion an den Aluminiumwerkstoffen durch das Hydrolyseprodukt HCl bestimmt.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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