Application of Magnesium-Manganese Phosphate Coating on Low Carbon Steel
Publish place: The 6th International Conference on Exhibitiion on Metallurgy and Materials Engineering
Publish Year: 1396
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IMES11_347
تاریخ نمایه سازی: 7 اسفند 1396
Abstract:
A novel magnesium-manganese phosphate coating was applied on low carbon steel from a phosphate solution at different temperatures. The composition and surface morphology of the coatings were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM) methods. Potentiodynamic polarization curves were used to examine the corrosion resistance of the coating. It was observed that the coating consists of Newberyite, Hureaulite and manganese hydrogen phosphate hydrate. The experimental results indicated that the coating had fine crystals forming a dense coating at 90 ºC. As a result, improvement of the corrosion resistance of the low carbon steel by the phosphate conversion treatment was achieved.
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Authors
N. Agahi
MSc Student of Corrosion Engineering at University of Tehran
A.A Amadeh
Full Professor of Metallurgy and Materials Engineering at University of Tehran
A.H Sadegholhoseini
MSc of Characterization and Selection of Engineering Materials