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Influence of Chlorine, Sulphur and Water Vapor on High Temperature Corrosion of Fe, Cr, Ni Alloys for Waste Incinerators
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Influence of Chlorine, Sulphur and Water Vapor on High Temperature Corrosion of Fe, Cr, Ni Alloys for Waste Incinerators

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Abstract:

The behavior of three different materials with respect to their Fe, Cr, Ni contents have been studied between 450°C and 700°C, in waste incinerators combustion conditions, where it occurs a main influence of chlorine, sulfur and water vapor. This works analyzes the behavior of these materials which depends on their capability to form melted compounds and on the nature of these melted phases. Also as the corrosion mechanism is influenced by the presence or missing of any corrosive species, the study focalizes on the specific influence of SO2 and alkaline chorine. Effect of additive ashes on the corrosion behavior of tested materials is also studied. The mechanism of corrosion in waste incinerators is supported by thermodynamic calculations performed with the “Thermocalc” software.

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Periodical:

Materials Science Forum (Volumes 522-523)

Pages:

547-554

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.522-523.547

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Online since:

August 2006

Authors:

Gérard Moulin, Katia Weulersse, Jérôme Favergeon

Keywords:

347 Alloys, AC66, Chlorine, Complex Atmosphere, Hot Corrosion, Sulfur, T91, Water Vapor

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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