CORROSION-ELECTROCHEMICAL BEHAVIOR OF ALUMINUM IN CONFINED SPACES.

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Levin, A.I.
Shklovskaya, N.I.
Rossina, N.G.
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Protection of Metals (English translation of Zaschita Metallov) | 1979年 / 15卷 / 02期
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The principal corrosion-active substances in confined spaces containing polymetric materials are formic and acetic acids, formaldehyde, and ammonia. Metals and alloys undergo damage under thin films of solutions containing these components. The object of investigation was A999 aluminum and its alloys AMg-6, containing 5. 8-6. 5% Mg, 0. 6% Mn, and 0. 3-0. 5% Si. On decrease in the film thickness the rate of the cathodic process with oxygen depolarization increases, whereas that of the anodic process decreases.
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页码:179 / 181
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