Corrosion behavior of alloy 800H (Fe-21Cr-32Ni) in supercritical water

L. Tan; T. R. Allen; Y. Yang

doi:10.1016/j.corsci.2010.10.021

Corrosion behavior of alloy 800H (Fe-21Cr-32Ni) in supercritical water

L. Tan, T. R. Allen, Y. Yang

Research output: Contribution to journal › Article › peer-review

117 Scopus citations

Abstract

The effect of testing conditions (temperature, time, and oxygen content) and material's microstructure (the as-received and the grain boundary engineered conditions) on the corrosion behavior of alloy 800H in high-temperature pressurized water was studied using a variety of characterization techniques. Oxidation was observed as the primary corrosion behavior on the samples. Oxide exfoliation was significantly mitigated on the grain boundary engineered samples compared to the as-received ones. The oxide formation, including some " mushroom-shaped oxidation" , is predicted via a combination of thermodynamics and kinetics influenced by the preferential diffusion of specific species using short-cut diffusion paths.

Original language	English
Pages (from-to)	703-711
Number of pages	9
Journal	Corrosion Science
Volume	53
Issue number	2
DOIs	https://doi.org/10.1016/j.corsci.2010.10.021
State	Published - Feb 2011
Externally published	Yes

Keywords

C. Exfoliation
C. Kinetic parameters
C. Oxidation
C. Thermodynamic diagrams

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10.1016/j.corsci.2010.10.021

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abstract = "The effect of testing conditions (temperature, time, and oxygen content) and material's microstructure (the as-received and the grain boundary engineered conditions) on the corrosion behavior of alloy 800H in high-temperature pressurized water was studied using a variety of characterization techniques. Oxidation was observed as the primary corrosion behavior on the samples. Oxide exfoliation was significantly mitigated on the grain boundary engineered samples compared to the as-received ones. The oxide formation, including some {"} mushroom-shaped oxidation{"} , is predicted via a combination of thermodynamics and kinetics influenced by the preferential diffusion of specific species using short-cut diffusion paths.",

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AU - Tan, L.

AU - Allen, T. R.

AU - Yang, Y.

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N2 - The effect of testing conditions (temperature, time, and oxygen content) and material's microstructure (the as-received and the grain boundary engineered conditions) on the corrosion behavior of alloy 800H in high-temperature pressurized water was studied using a variety of characterization techniques. Oxidation was observed as the primary corrosion behavior on the samples. Oxide exfoliation was significantly mitigated on the grain boundary engineered samples compared to the as-received ones. The oxide formation, including some " mushroom-shaped oxidation" , is predicted via a combination of thermodynamics and kinetics influenced by the preferential diffusion of specific species using short-cut diffusion paths.

AB - The effect of testing conditions (temperature, time, and oxygen content) and material's microstructure (the as-received and the grain boundary engineered conditions) on the corrosion behavior of alloy 800H in high-temperature pressurized water was studied using a variety of characterization techniques. Oxidation was observed as the primary corrosion behavior on the samples. Oxide exfoliation was significantly mitigated on the grain boundary engineered samples compared to the as-received ones. The oxide formation, including some " mushroom-shaped oxidation" , is predicted via a combination of thermodynamics and kinetics influenced by the preferential diffusion of specific species using short-cut diffusion paths.

KW - C. Exfoliation

KW - C. Kinetic parameters

KW - C. Oxidation

KW - C. Thermodynamic diagrams

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M3 - Article

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SN - 0010-938X

VL - 53

SP - 703

EP - 711

JO - Corrosion Science

JF - Corrosion Science

IS - 2

ER -

Corrosion behavior of alloy 800H (Fe-21Cr-32Ni) in supercritical water

Abstract

Keywords

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