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Influence of aluminium microstructure on corrosion and Corrosion inhibitor performance in acidic medium
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نویسنده
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Umoren S. A. ,Li Y. ,Wang F. H.
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منبع
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journal of materials and environmental science - 2010 - دوره : 1 - شماره : 3 - صفحه:189 -196
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چکیده
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The corrosion behaviour of aluminium with two different microstructures namely polycrystalline (pc-al) and microcrystalline aluminium coating (mc-al) fabricated from the polycrystalline al target by magnetron sputtering in 0.1 m h2so4 solution was studied. the corrosion inhibiting effect of polyacrylamide (pa) was also investigated. results show that surface microcrystallization increases the corrosion susceptibility of aluminium leading to increase in the kinetics of the anodic dissolution. pa was found to reduce the corrosion rates of both al samples. inhibition efficiency of pa was concentration dependent and was more pronounced on the mc-al specimen.
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کلیدواژه
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Aluminium; Polyacrylamide; microcrostructure
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آدرس
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Chinese Academy of Sciences, Institute of Metal Research, State Key Laboratory for corrosion and Protection, China. University of Uyo, Faculty of Science, Department of Chemistry, Nigeria, Chinese Academy of Sciences, Institute of Metal Research, State Key Laboratory for corrosion and Protection, China, Chinese Academy of Sciences, Institute of Metal Research, State Key Laboratory for corrosion and Protection, China
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پست الکترونیکی
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liying@imr.ac.cn
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Authors
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