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Title of Journal: Oxid Met

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Abbravation: Oxidation of Metals

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Springer US

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DOI

10.1002/nag.1610161007

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1573-4889

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Comparative Study on High Temperature Oxidation of

Authors: K Chandra A Kranzmann R Saliwan Neumann F Rizzo
Publish Date: 2015/07/11
Volume: 84, Issue: 3-4, Pages: 463-490
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Abstract

Fireside oxidation of T92 steel was studied after exposure times up to 1000 h in the temperature range of 580–650 °C in simulated dry CO2–27  N2–2  O2–1  SO2 and wet CO2–20  H2O–7  N2–2  O2–1  SO2 oxyfuel environments Water vapour addition to the oxyfuel gas substantially increased the oxidation rate The oxide scales developed under wet environment contained more defects resulting in higher access of oxidants to the substrate material and enhanced oxidation In addition the oxide scales had lower chromium enrichment in the inner layer as compared to that in the dry condition The oxide scales consisted of hematite and magnetite in the outer layer and a mixture of Fe Crspinel sulphides and wustite in the inner layer The sulphur distribution differed between the oxide scales developed in dry and wet oxyfuel environments Sulphur was mainly concentrated in the inner layer and at the oxide/alloy interface In contrast to the wet oxyfuel gas very high sulphur concentration was measured in the inner oxide scale formed in the dry oxyfuel gas Additionally Fesulphide was formed at the interface of inner and outer oxide layer in the wet conditionK Chandra would like to acknowledge Adolf Martens Foundation for his postdoctoral fellowship program under which this research was carried out F Rizzo thanks the support from CAPES CNPq and FAPERJ The authors also wish to thank Mr Goebel Artur for his contribution in conducting the corrosion experiments


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Other Papers In This Journal:

  1. Beneficial Effect of Pt and of Pre-Oxidation on the Oxidation Behaviour of an NiCoCrAlYTa Bond-Coating for Thermal Barrier Coating Systems
  2. Improving the Physicochemical Properties of Fe–25Cr Ferritic Steel for SOFC Interconnects via Y-Implantation and Y 2 O 3 -Deposition
  3. Oxidation of Heat-resistant Alloys
  4. Corrosion of Three Commercial Steels Under ZnCl 2 –KCl Deposits in a Reducing Atmosphere Containing HCl and H 2 S at 400–500°C
  5. Evaluation of High Temperature Corrosion in Simulated Waste Incinerator Environments
  6. An Improved Treatment of the Kinetics of Coupled Internal Oxidation by a Single Oxidant of the Two Most-Reactive Components of Ternary Alloys and of the Conditions for the Transition to Their External Oxidation
  7. An Improved Treatment of the Kinetics of Coupled Internal Oxidation by a Single Oxidant of the Two Most-Reactive Components of Ternary Alloys and of the Conditions for the Transition to Their External Oxidation
  8. Quantification of Adherence of Thermal Oxide Scale on Low Carbon Steel Using Tensile Test
  9. The Effect of Different SO 2 /SO 3 Catalytic Media on High-Temperature Corrosion Processes (Hot Corrosion, Fireside Corrosion, Sulfidation–Oxidation)
  10. Isothermal Oxidation Behavior of Ti-50Al Alloy with Y Additions at 800 and 900°C
  11. Isothermal Phase Diagrams of Binary Alloys and Two Oxidants
  12. Corrosion of Cr 2 AlC in Ar/1%SO 2 Gas Between 900 and 1200 °C
  13. Photoelectrochemistry of Oxidation Layers: A Novel Approach to Analyze Photocurrent Energy Spectra
  14. Influence of Chromium Carbides on the High Temperature Oxidation Behavior and on Chromium Diffusion in Nickel-Base Alloys
  15. The Mechanism of Phase Transformation in Thermally-Grown FeO Scale Formed on Pure-Fe in Air

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