The immersion corrosion of structural steels in seawater is not a simple linear function of time (a corrosion rate) as often assumed in engineering estimates of future losses of material. To predict the likely loss of steel with time field trials are expensive, take a long time and may be misleading. An alternative approach is to use the basics of corrosion mechanics to develop engineering models for the prediction of corrosion loss. This approach is outlined herein and the recently developed multi-phase model for corrosion loss with time of exposure is reviewed. It has been accepted in the corrosion literature and has been extended to consider dissolved oxygen levels, nutrient pollution, depth, water velocity and water salinity. These effects are described briefly.
Discussion(0)
No comments yet. Be the first to comment.