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Sodium silicate corrosion inhibition behaviour for carbon steel in a dynamic salt water environment

Elias De Ketelaere (UGent) , David Moed, Marjolein Vanoppen (UGent) , Arne Verliefde (UGent) , Kim Verbeken (UGent) and Tom Depover (UGent)
(2023) CORROSION SCIENCE. 217.
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Abstract
This work investigates the sustainable green corrosion inhibitor sodium silicate (SS) in inhibition efficiency (IE) and mechanism for carbon steel in a dynamic 3 wt% NaCl environment. Electrochemical impedance spectroscopy and potentiodynamic scans are performed within a rotating cylinder electrode setup at variable conditions. Increasing SS dosage (<= 10mM) under constant laminar flow results in higher IE (up to 99.8%), linked to replacement of water by silicate species, followed by more structured film formation at the steel surface. Increasing flow rate results in maximum IE at intermediate flow rate, linked to faster transport of silicate and cathodic species to the steel surface and more mechanical removal of the film.
Keywords
MILD-STEEL, HYDRODYNAMIC CONDITIONS, SYNERGISTIC INHIBITION, FLOW, PHOSPHONATE, CONVERSION, PHOSPHATE, MOLYBDATE, SURFACE, METALS, Carbon steel, EIS, Polarization, Neutral inhibition, Oxide coatings

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Citation

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MLA
De Ketelaere, Elias, et al. “Sodium Silicate Corrosion Inhibition Behaviour for Carbon Steel in a Dynamic Salt Water Environment.” CORROSION SCIENCE, vol. 217, 2023, doi:10.1016/j.corsci.2023.111119.
APA
De Ketelaere, E., Moed, D., Vanoppen, M., Verliefde, A., Verbeken, K., & Depover, T. (2023). Sodium silicate corrosion inhibition behaviour for carbon steel in a dynamic salt water environment. CORROSION SCIENCE, 217. https://doi.org/10.1016/j.corsci.2023.111119
Chicago author-date
De Ketelaere, Elias, David Moed, Marjolein Vanoppen, Arne Verliefde, Kim Verbeken, and Tom Depover. 2023. “Sodium Silicate Corrosion Inhibition Behaviour for Carbon Steel in a Dynamic Salt Water Environment.” CORROSION SCIENCE 217. https://doi.org/10.1016/j.corsci.2023.111119.
Chicago author-date (all authors)
De Ketelaere, Elias, David Moed, Marjolein Vanoppen, Arne Verliefde, Kim Verbeken, and Tom Depover. 2023. “Sodium Silicate Corrosion Inhibition Behaviour for Carbon Steel in a Dynamic Salt Water Environment.” CORROSION SCIENCE 217. doi:10.1016/j.corsci.2023.111119.
Vancouver
1.
De Ketelaere E, Moed D, Vanoppen M, Verliefde A, Verbeken K, Depover T. Sodium silicate corrosion inhibition behaviour for carbon steel in a dynamic salt water environment. CORROSION SCIENCE. 2023;217.
IEEE
[1]
E. De Ketelaere, D. Moed, M. Vanoppen, A. Verliefde, K. Verbeken, and T. Depover, “Sodium silicate corrosion inhibition behaviour for carbon steel in a dynamic salt water environment,” CORROSION SCIENCE, vol. 217, 2023.
@article{01GX99VNANB64QT0H3P2A6SE5B,
  abstract     = {{This work investigates the sustainable green corrosion inhibitor sodium silicate (SS) in inhibition efficiency (IE) and mechanism for carbon steel in a dynamic 3 wt% NaCl environment. Electrochemical impedance spectroscopy and potentiodynamic scans are performed within a rotating cylinder electrode setup at variable conditions. Increasing SS dosage (<= 10mM) under constant laminar flow results in higher IE (up to 99.8%), linked to replacement of water by silicate species, followed by more structured film formation at the steel surface. Increasing flow rate results in maximum IE at intermediate flow rate, linked to faster transport of silicate and cathodic species to the steel surface and more mechanical removal of the film.}},
  articleno    = {{111119}},
  author       = {{De Ketelaere, Elias and Moed, David and Vanoppen, Marjolein and Verliefde, Arne and Verbeken, Kim and Depover, Tom}},
  issn         = {{0010-938X}},
  journal      = {{CORROSION SCIENCE}},
  keywords     = {{MILD-STEEL,HYDRODYNAMIC CONDITIONS,SYNERGISTIC INHIBITION,FLOW,PHOSPHONATE,CONVERSION,PHOSPHATE,MOLYBDATE,SURFACE,METALS,Carbon steel,EIS,Polarization,Neutral inhibition,Oxide coatings}},
  language     = {{eng}},
  pages        = {{10}},
  title        = {{Sodium silicate corrosion inhibition behaviour for carbon steel in a dynamic salt water environment}},
  url          = {{http://doi.org/10.1016/j.corsci.2023.111119}},
  volume       = {{217}},
  year         = {{2023}},
}
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