Study of the brightener effect on the corrosion behavior of Ni-W-B alloy from tartrate bath by EIS in H2SO4 solution
Publish place: 5th International Congress on Chemical Engineering
Publish Year: 1386
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC05_284
تاریخ نمایه سازی: 7 بهمن 1386
Abstract:
In the present work, 2-butyne diole(2BD) and sodium dodecylbenzene sulfonate(SDBS) have used as brightener additive for maintaining the metal species in solution, and the effect of their use on the electrodeposition of Ni–W-B layers from electrolytes based on tartrate investigated. Optimum conditions for plating including time, current density, temperature and pH were evaluated. The corrosion behavior of Ni-W-B coating on cupper has been evaluated during exposure to 1N H2SO4 for different immersion time using Tafel Polarization and Electrochemical Impedance Spectroscopy (EIS) measurements. The corrosion resistance of Ni-W-B alloy obtained in the presences of SDBS and 2BD had higher than Ni-W-B alone.
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Authors
Hosseini
Electrochemistry Research Laboratory, Physical Chemistry Department, Chemistry Faculty, University of Tabriz, Tabriz, Iran
Ashasi-sorkhabi
Electrochemistry Research Laboratory, Physical Chemistry Department, Chemistry Faculty, University of Tabriz, Tabriz, Iran
Abedi
Electrochemistry Research Laboratory, Physical Chemistry Department, Chemistry Faculty, University of Tabriz, Tabriz, Iran
Raghibi-Boroujeni
Electrochemistry Research Laboratory, Physical Chemistry Department, Chemistry Faculty, University of Tabriz, Tabriz, Iran
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