Numerical Simulation of Crevice Corrosion of Stainless Steel–Titanium in NaCl Solution

A multiphysics model based on the finite element method was adopted, emphasizing a deeper insight into rarely studied crevice corrosion behavior of stainless steel and titanium overlapping. The takes account damage due to inside crevice, different species transportation, local electrochemical reactions, homogeneous reactions in electrolyte, formation product its influence reaction. simulation results show that location greatest attack for is at opening; this finding consistent with IR drop theory. potential increases gradually from tip opening current changes smoothly following sharp rise opening. minimum maximum values pH Cl− concentration are both middle crevice. size also discussed detail.