High-Temperature corrosion of P91/T91, 304L, Sanicro 28 and Inconel 625 exposed at 600 °C under continuous KCl deposition

Phother-Simon, J.; Hanif, I.; Jonsson, T.; Liske, J.

doi:10.1016/j.fuel.2023.130012

Fuel

2024

DOI: 10.1016/j.fuel.2023.130012

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High-Temperature corrosion of P91/T91, 304L, Sanicro 28 and Inconel 625 exposed at 600 °C under continuous KCl deposition

J. Phother-Simon,

I. Hanif,

T. Jonsson

et al.

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Cited by 9 publications

References 39 publications

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The Impact of HCl on Alkali-Induced Corrosion of Stainless Steels/FeCrAl Alloy at 600 °C: The Story After Breakaway

Ssenteza,

Jonsson,

Nockert

et al. 2024

High Temperature Corrosion of mater.

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The impact of Cl on alkali-induced high-temperature corrosion of stainless steels/FeCrAl alloys after breakaway oxidation was investigated in a simulated biomass- and waste-fired boiler environment at 600 °C. For this investigation, three alloys were exposed to low Cl load environment (H2O+KCl) and to high Cl load (H2O+KCl+HCl). Post-exposure analysis showed that the stainless steel SVM12 experiences fast oxidation and forms thick double-layered Fe-rich oxide scales. The corrosion attack is further accelerated with addition of HCl for this material with the effect being more pronounced in the inward-growing scale. The FeCrAl and FeCrNi alloys exhibit slower oxidation kinetics after the breakaway corrosion compared to SVM12 in the H2O+KCl exposure. Furthermore, in contrast with SVM12, the addition of HCl did not accelerate the corrosion attack on these alloys. It is argued that the properties of the secondary oxide layer formed after breakaway corrosion are important in the continued corrosion resistance against chlorine-induced corrosion attack. Especially, the Cr content in the inner scales is suggested to be important in corrosion mitigation.

show abstract

The Impact of HCl on Alkali-Induced Corrosion of Stainless Steels/FeCrAl Alloy at 600 °C: The Story After Breakaway

Ssenteza,

Jonsson,

Nockert

et al. 2024

High Temperature Corrosion of mater.

View full text Add to dashboard Cite

show abstract

NaCl-Induced High-Temperature Corrosion of Alloy 625 Fabricated by Laser Metal Deposition-Powder

Curnis,

Popa,

Prillieux

et al. 2024

High Temperature Corrosion of mater.

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Modeling of process parameters and wear performance investigation of Inconel 625 nickel-based coatings via laser cladding

Wu,

et al. 2025

Optics & Laser Technology

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High-Temperature corrosion of P91/T91, 304L, Sanicro 28 and Inconel 625 exposed at 600 °C under continuous KCl deposition

Cited by 9 publications

References 39 publications

The Impact of HCl on Alkali-Induced Corrosion of Stainless Steels/FeCrAl Alloy at 600 °C: The Story After Breakaway

The Impact of HCl on Alkali-Induced Corrosion of Stainless Steels/FeCrAl Alloy at 600 °C: The Story After Breakaway

NaCl-Induced High-Temperature Corrosion of Alloy 625 Fabricated by Laser Metal Deposition-Powder

Modeling of process parameters and wear performance investigation of Inconel 625 nickel-based coatings via laser cladding

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