Corrosion Allowance

One of the most widely used methods to counter  the degradation of a materials mechanical properties to due to corrosion is to use more material. If the speed of uniform corrosion is known (mm per year), then it is possible to calculate the required thickness of the material, so that it can serve its purpose during its expected lifetime. The Steel Bridge in Portland (USA) is just one example where this method is used. Protective coatings are also often applied in order to slow down the corrosion of the construction material even more.

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