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首页> 外文期刊>Aluminium >Detecting pitting corrosion of aluminium alloy 5182 by an area polarization technique in a beverage solution environment
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Detecting pitting corrosion of aluminium alloy 5182 by an area polarization technique in a beverage solution environment

机译：在饮料溶液环境中通过区域极化技术检测铝合金5182的点蚀

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摘要

An electrochemical technique was used to investigate the relationship between oxygen concentration in a beverage solution and the pitting attack of aluminium-magnesium alloy 5182, which is used as a can-end material in Japan. The gradient of the alloy specimen's anodic polarization behaviour was measured by increasing the cathodic area gal-vanically coupled to the aluminium alloy (the area polarization technique) in a beverage solution environment, in which dissolved oxygen concentration was continuously changed from 10 ppb to 600 ppb. It was found that pitting attack took place at concentrations higher than 40 ppb.
机译：电化学技术用于研究饮料溶液中的氧气浓度与铝镁合金5182的点蚀侵蚀之间的关系，铝镁合金5182在日本用作罐头材料。合金样品阳极极化行为的梯度是通过在饮料溶液环境中通过增加与铝成电耦合的阴极面积（面积极化技术）来测量的，在该溶液中，溶解氧浓度从10 ppb连续变为600 ppb 。发现点蚀是在高于40 ppb的浓度下发生的。

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