Pitting Attack Occurrences of Score on Aluminum Alloy 5182 Can-Container in a Carbonated Soft-Drink Solution

Osami Seri; Toshiyuki Kanazawa

doi:10.3323/jcorr1991.46.158

Zairyo-to-Kankyo

Online ISSN : 1881-9664
Print ISSN : 0917-0480
ISSN-L : 0917-0480

Pitting Attack Occurrences of Score on Aluminum Alloy 5182 Can-Container in a Carbonated Soft-Drink Solution

Osami Seri, Toshiyuki Kanazawa

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Keywords: aluminum, pitting attacks, carbonate soft-drink solution, electrochemical measurement

JOURNAL FREE ACCESS

1997 Volume 46 Issue 3 Pages 158-163

DOI https://doi.org/10.3323/jcorr1991.46.158

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Abstract

Attempts have been made to clarify the cause of blowouts of score on aluminum alloy 5182 EOE in a carbonated soft-drink solution at 38±2°C. Polarization measurements and metallurgical observation indicated that the blowouts is caused by pitting of groove of the score. It is pointed out that the exposure of intermetallic compounds containing copper is detrimental to the pitting of 5182 in a carbonated soft-drink solution concentrated by vaporizing.

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