The impact of the microstructure of Fe-16Cr-0.2C on high-temperature oxidation – sulphidation in SO2
Source abstract
Abstract
Abstract This study elucidates the impact of the microstructure of Fe-16Cr-0.2C on oxide layer formation at 650 °C in Ar-0.5 % SO2. A cold-rolled and two heat-treated states of the alloy were exposed for up to 1000 h. The samples were characterised in detail from microstructural and chemical perspectives using scanning electron microscopy (SEM), X-ray diffraction (XRD) and time-of-flight secondary ion mass spectrometry (ToF-SIMS). The microstructural modification of the alloy by heat-treatment was advantageous. It was found that Cr-carbides support chromia formation and reduce sulphidation when their area fraction is low and diameter is small.
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Research context
OpenAlex topics: High-Temperature Coating Behaviors · Catalytic Processes in Materials Science · Nuclear Materials and Properties
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