Abstract
The influence of aggressive environments on the operational characteristics of metal structures of wheeled vehicles was investigated. It has been established that, in comparison with their dry concentrates, solutions of mineral fertilizers nitrogen-phosphorus fertilizer and ammonium sulfate cause local corrosion damage not only to ordinary structural steels, but also to alloyed steels (Steel 25, Steel 45, Steel 1X13). At the same time, the rate of corrosion reaches 0.29...0.33 mm/year, which is up to 3 times higher than the rate of corrosion in rainwater. The specified metal materials have the highest rate of corrosion propagation during the first day, then the intensity of corrosion decreases to values equivalent to the rate of corrosion propagation in rainwater. Stationary potentials of steels have the largest negative value for ammonium sulfate solutions, and corrosion currents, in turn, in nitrogen-phosphorus fertilizer solutions.
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