High Temperature Corrosion of Ni-17%W Coatings in Ar-0.2%SO2 Atmosphere
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Coatings of Ni-17 at.%W were electroplated on a steel substrate, and their corrosion behavior was investigated between 600 and 800oC in an Ar-0.2%SO2 atmosphere. They delayed the corrosion of the steel substrate. They were corroded into an outer NiO-rich layer, and an inner (WO3+NiO+NiWO4)-mixed oxide layer. Below these oxide layers, a sulfide layer gradually formed.
Abstract
Coatings of Ni-17 at.%W were electroplated on a steel substrate, and their corrosion behavior was investigated between 600 and 800oC in an Ar-0.2%SO2 atmosphere. They delayed the corrosion of the steel substrate. They were corroded into an outer NiO-rich layer, and an inner (WO3+NiO+NiWO4)-mixed oxide layer. Below these oxide layers, a sulfide layer gradually formed.
참고문헌 (8)
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