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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

10.1016/0165-1781(88)90132-1

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1573-4889

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Oxidation of Heatresistant Alloys

Authors: Abdulaziz AlMeshari John Little
Publish Date: 2007/12/20
Volume: 69, Issue: 1-2, Pages: 109-118
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Abstract

The oxidation performance of three novel heatresistant alloys namely KHR35C HiSi KHR45A LC and UCX was studied at relatively low temperatures ie 650 and 750 °C for 1000 h The study was focused mainly on exploring oxidelayer growth and characterizing the oxide phases in order to prevent or minimizing metal dusting in carbonizing environments The specimens were examined by visual and metallographic examination SEM/EDX XRD and weightchange measurements The results have been compared with a previous shortterm study 100 h in order to understand the influence of exposure time on oxidation It is concluded that exposing the alloys to air at 650 and 750 °C led to the formation of oxides of chromium nickel iron silicon and ironcontaining spinels Moreover increasing the exposure time temperature or both resulted in further oxide growth leading to more continuous adherent and thicker oxides The alloys however did not form a completely protective scale especially at 650 °C even after 1000 h of exposure

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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. Corrosion of Three Commercial Steels Under ZnCl 2 –KCl Deposits in a Reducing Atmosphere Containing HCl and H 2 S at 400–500°C
  4. Evaluation of High Temperature Corrosion in Simulated Waste Incinerator Environments
  5. 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
  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. Comparative Study on High Temperature Oxidation of T92 Steel in Dry and Wet Oxyfuel Environments
  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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