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Investigation of corrosion behavior of galvanized mild steel by improved Zn acidic bath, containing nano-ZnO particles

سال انتشار: 1395
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 267

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شناسه ملی سند علمی:

JR_JMATPR-4-1_001

تاریخ نمایه سازی: 12 مهر 1400

چکیده مقاله Investigation of corrosion behavior of galvanized mild steel by improved Zn acidic bath, containing nano-ZnO particles

In this study, nano-ZnO particles were deposited on mild steel sheets from an acidic zinc bath. These particles were synthesized by using an auto combustion technique. The effect of concentration of nano- ZnO particles on the corrosion behavior of depositions was investigated. The results of salt spray tests and electrochemical measurements showed that corrosion resistance is improved by addition of nano-ZnO particles into acidic zinc bath. Based on results, coating contain 0.5g of zinc oxide nano-particles had lowest corrosion rate (1.022mpy) and high corrosion resistance. Scanning electron microscopy (SEM) and X- ray diffraction (XRD) were used for studying the surface morphology and crystal structure of the zinc deposit. SEM observations showed that zinc-oxide nano-particles by absorption of the corrosive agents had action as a barrier against corrosive environment. The study of XRD pattern showed that the adding of nano ZnO was decreased the amount of corrosion products which indicated a higher corrosion resistance than the sample without any nano-particles.

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نویسندگان مقاله Investigation of corrosion behavior of galvanized mild steel by improved Zn acidic bath, containing nano-ZnO particles

Behrooz Shayegh

shahrekord university

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