Topography and phase composition of the scales formed on in-house experimental low Si and Al ferritic stainless steel in simulated coal synthetic gas were investigated towards the carbon-induced corrosion study of ferritic steels for atmospheric and pressurized integrated gasification fuel cell power systems. Corrosion experiments were carried out in simulated coal gas consisting of CO, CO2, H2O, H2, and N2 at 800°C for up to 600 hours. Post-corrosion surface characterization methods included scanning electron microscopy, energy dispersive X-ray, and X-ray diffraction analysis.

Subject
Scanning electron microscopy, Ferritic steel, X-ray diffraction, Steel surfaces, Materials, Carbides, Diffusion, Oxide formation, Carbon monoxide, Syngas, Oxide surfaces, Coal, Carbon
Keywords:
Ferritic stainless steels, synthetic coal gas, carbon-induced corrosion
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2013
Association for Materials Protection and Performance (AMPP)
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