R 5[mm] Radius of disc sigma 7.95[S/m] Electrolyte conductivity Eeq_cathode -0.85[V] Equlibrium potential, cathode Eeq_anode -1.55[V] Equlibrium potential, anode i0_cathode 0.3[A/m^2] Exchange current density, cathode i0_anode 1[A/m^2] Exchange current density, anode b_cathode -220[mV] Cathodic tafel slope, steel b_anode 55[mV] Anodic tafel slope, Mg