Iron and silicon are the two inherent impurities present in commercial aluminium which impair its corrosion resistance. Influence of silicon/iron ratio present in aluminium alloys containing different amounts of silicon has been studied through electrochemical polarization in some inorganic and organic acids (0.1 N). It has been observed that Si/Fe ratio has potential role on corrosion rates in different acids studied.
Bhattamishra, A.K., Mishra, G.S. and Banerjee, M.K. (1991), "Influence of silicon/iron ratio on corrosion behaviour of aluminium‐silicon alloys in inorganic and organic acids", Anti-Corrosion Methods and Materials, Vol. 38 No. 2, pp. 4-13. https://doi.org/10.1108/eb007289
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