Abstract
The electrochemical behaviour of AISI 316L steel and its constituent metals in simulated Kraft digester white liquor at 170 °C has been studied by registering slow scan rate voltammograms and impedance spectra at the corrosion potential. Interpretation of the results in terms of two approaches – the Mixed-Conduction Model for passive films and a two-step dissolution reaction – allowed for the estimation of corrosion currents and polarisation resistances as depending on the material and electrolyte medium. Tentative conclusions on the effect of sulphur-containing species in the white liquor on the corrosion mechanism of the studied materials are drawn.
Original language | English |
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Pages (from-to) | 1499-1507 |
Journal | Corrosion Science |
Volume | 52 |
Issue number | 4 |
DOIs | |
Publication status | Published - 2010 |
MoE publication type | A1 Journal article-refereed |
Keywords
- Stainless steel
- Cyclic voltammetry
- EIS
- Passive films
- Reactor conditions