حمل و نقل بازدارنده خوردگی – کامسول

The model simulates atmospheric corrosion of a galvanic couple, comprising of an Al-Co-Ce metallic coating and an aluminum alloy, which is in contact with electrolyte film of 100 micrometer thickness.

The corrosion inhibitors are released from the metallic coating and are transported to the aluminum scratch surface by diffusion and migration. The model presented here accounts for charge transport as well mass transport involving 11 species and 5 homogeneous reactions.

The model computes the transient and spatial distribution of species in the film, estimating the time required for accumulation of critical inhibitor concentration over the aluminum scratch surface. The effect of scratch size and initial pH of the electrolyte is also demonstrated in the model.