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首页> 外文期刊>Canadian Journal of Pure and Applied Sciences >PLANTS EXTRACTS CORROSION INHIBITION OF ALUMINIUM ALLOY IN H2SO4
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PLANTS EXTRACTS CORROSION INHIBITION OF ALUMINIUM ALLOY IN H2SO4

机译：植物提取H2SO4中铝合金的腐蚀抑制作用

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摘要

Effects of tobacco (Nicotiana) and Kola tree (Cola acuminata) extracts on the corrosion inhibition of an aluminium alloy 2S (1200) grade specimens immersed in 0.5M sulphuric acid was investigated at ambient temperature by gravimetric and metallographic methods. Extracts of kola plant and tobacco in different concentrations were used as 'green' inhibitors. This paper reports the results obtained from the weight loss method, calculated corrosion rates, inhibitor efficiencies and the optical microscopy metallographic observations. Addition of different concentrations of the plants extracts gave clear reduction in weight loss and in the corrosion rate of the test samples. This apparent corrosion inhibition was associated with the protective film provided on the aluminium alloy's surface by the complex chemical constituents of the plants extracts.
机译：在室温下，通过重量分析和金相分析研究了烟草（Nicotiana）和可乐树（Cola acuminata）提取物对浸入0.5M硫酸中的铝合金2S（1200）级试样的腐蚀抑制作用。将不同浓度的可乐植物和烟草提取物用作“绿色”抑制剂。本文报告了从失重法，计算出的腐蚀速率，阻聚剂效率和光学显微镜金相观察结果中获得的结果。添加不同浓度的植物提取物明显减少了重量损失和测试样品的腐蚀速率。这种明显的腐蚀抑制作用与植物提取物的复杂化学成分在铝合金表面提供的保护膜有关。

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