Electrochemical Corrosion Kinetics L1-339

Materials ScienceMixed-potential corrosionδ=3 · standardL_DAG = 3.3📋 Stub — not mineable

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Unclaimed Principle — open for contribution

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Forward model E

i = i_{0} \cdot (e x p (a l p h a_{a} \cdot F \cdot e t a / R T) - e x p (- a l p h a_{c} \cdot F \cdot e t a / R T)); E_{c} or r w h er e i_{a} n o d i c = i_{c} a t h o d i c

Butler-Volmer + Nernst: corrosion current from half-cell exchange currents at mixed potential E_corr; Tafel slopes give activation-limited kinetics.

L-DAG

E.butler_volmer -> E.mass_transport -> O.composite_method -> O.corrosion_rate

E.butler_volmerE.mass_transportO.composite_methodO.corrosion_rate

Well-posedness W

Existence:: true
Uniqueness:: true
Stability:: conditional
κ:: 200

Well-posed for simple cells; multi-metal galvanic and pitting are non-linear/multi-stable.

Solvability C

Solver class:: COMSOL-ECS; Bayesian Tafel fit; EIS equivalent-circuit
Convergence rate q:: 2
Complexity:: principle-dependent

Specs (0)

No L2 specs registered yet for this principle.