Visualizing and quantifying the influence of N-Mo synergy on corrosion resistance of stainless steel by dissolution-diffusion-deposition model
Source abstract
Abstract
This work employed the “dissolution-diffusion-deposition” model to quantitatively describe the effect of N-Mo synergism on passivation process. The model was optimized by calibrating the ion concentration, calculating the equilibrium between H + and OH − , as well as calculating the formation amount of passive film components. Through modelling studies, we visualized and quantified how N-Mo synergy promoted passivation process. Results demonstrate that N-Mo synergy enhanced corrosion resistance by suppressing acidification of solution, increasing Cr 2O 3 content and improving cation-selectivity of passive film. The mutual promotion between hydrolysis of NH 3 and transpassive dissolution of Mo oxides played a critical role in improving corrosion resistance.
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Research context
OpenAlex topics: Hydrogen embrittlement and corrosion behaviors in metals · Corrosion Behavior and Inhibition · High-Temperature Coating Behaviors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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