The Role of Stresses in High-Temperature Corrosion: The Potential of Quantitative Approaches

Schütze, Michael

doi:10.1007/s11085-023-10191-1

High Temperature Corrosion of mater.

2023

DOI: 10.1007/s11085-023-10191-1

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The Role of Stresses in High-Temperature Corrosion: The Potential of Quantitative Approaches

Michael Schütze

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2024

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Cited by 3 publications

References 81 publications

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Synergetic Kinetics of High-Temperature Surface Degradation Processes in Austenitic Heat-Resistant Cast Steels

Lekakh,

Neroslavsky

2024

Inter Metalcast

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Synergetic Kinetics of High-Temperature Surface Degradation Processes in Austenitic Heat-Resistant Cast Steels

Lekakh,

Neroslavsky

2024

Inter Metalcast

View full text Add to dashboard Cite

Oxidation-creep interactions for an Hf-doped Ni-based superalloy with different wall thickness at 760 °C

Hu,

Cao,

Chen

et al. 2024

Corrosion Science

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Computational Thermochemistry for Modelling Oxidation During the Conveyance Tube Manufacturing Process

Kendall,

Coleman,

Cockings

et al. 2024

Metals

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Conveyance tube manufacturing via a hot-finished, welded route is an energy-intensive process which promotes rapid surface oxidation. During normalisation at approximately 950 °C to homogenise the post-weld microstructure, an oxide mill scale layer grows on tube outer surfaces. Following further thermomechanical processing, there is significant yield loss of up to 3% of total feedstock due to scale products, and surface degradation due to inconsistent scale delamination. Delaminated scale is also liable to contaminate and damage plant tooling. The computational thermochemistry software, Thermo-Calc 2023b, with its diffusion module, DICTRA, was explored for its potential to investigate oxidation kinetics on curved geometries representative of those in conveyance tube applications. A suitable model was developed using the Stefan problem, bespoke thermochemical databases, and a numerical solution to the diffusion equation. Oxide thickness predictions for representative curved surfaces revealed the significance of the radial term in the diffusion equation for tubes of less than a 200 mm inner radius. This critical value places the conveyance tubes’ dimensions well within the range where the effects of a cylindrical coordinate system on oxidation, owing to continuous surface area changes and superimposed diffusion pathways, cannot be neglected if oxidation on curved surfaces is to be fully understood.

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The Role of Stresses in High-Temperature Corrosion: The Potential of Quantitative Approaches

Cited by 3 publications

References 81 publications

Synergetic Kinetics of High-Temperature Surface Degradation Processes in Austenitic Heat-Resistant Cast Steels

Synergetic Kinetics of High-Temperature Surface Degradation Processes in Austenitic Heat-Resistant Cast Steels

Oxidation-creep interactions for an Hf-doped Ni-based superalloy with different wall thickness at 760 °C

Computational Thermochemistry for Modelling Oxidation During the Conveyance Tube Manufacturing Process

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