Evaluation of the corrosion behavior of the al-356 alloy in NaCI solutions

Mauricio Vásquez Rendón, Jorge Andrés Calderón, Patricia Fernández

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    14 Scopus citations

    Abstract

    Cellular metals are a new class of materials with promising applications and a unique combination of physical, chemical and mechanical properties. The Al-356 alloy is used to manufacture metal foams from NaCl preforms. Despite the usefulness of these materials, their performance may be affected by corrosion due to residual salt. This paper reports the study of the behavior of the Al- 356 alloy in chloride solutions by electrochemical techniques in rotating disk electrode. The cathodic reaction of oxygen reduction is the crucial stage of process dissolution of the material, which shows that is the oxygen transport which limits the corrosion process.

    Original languageEnglish
    Pages (from-to)1163-1166
    Number of pages4
    JournalQuimica Nova
    Volume34
    Issue number7
    DOIs
    StatePublished - 2011

    Keywords

    • Metal foams
    • Oxygen transport
    • Rotating disk electrodes

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