Evaluation of the Effects of Nanoclay Addition on the Corrosion Resistance of Bituminous Coating
سال انتشار: 1394
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 371
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شناسه ملی سند علمی:
JR_IJOGST-4-2_002
تاریخ نمایه سازی: 18 اسفند 1397
چکیده مقاله:
In this study, the corrosion resistance of a bituminous coating reinforced with different ratios ofnanoclay pigment was studied. To make nanocomposite coatings, 2, 3, and 4 wt.% of clay (CloisiteNa+) were incorporated into water emulsified bitumen. The coatings were applied to steel 37. Opticalmicroscopy and X-ray diffraction (XRD) were used to characterize the nanocomposite structure. Inorder to investigate the anticorrosion behavior of the coatings, electrochemical impedancespectroscopy (EIS) and direct current polarization techniques were used. The results show that thecoatings containing nanoclay have better performance compared to the neat bitumen. Moreover, itwas revealed that the corrosion resistance of the nanocomposite increased as the clay loadingincreased up to 4 wt.%.
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نویسندگان
Hamid Reza Zamanizadeh
Department of Technical Inspection, Petroleum University of Technology, Abadan, Iran
Mohammad Reza Shishesaz
Department of Technical Inspection, Petroleum University of Technology, Abadan, Iran
Iman Danaee
Department of Technical Inspection, Petroleum University of Technology, Abadan, Iran
Davood Zaarei
Department of Technical Inspection, Petroleum University of Technology, Abadan, Iran