Volume 23 Preprint 68

Review of the green inhibitors for steel corrosion in automotive industry

aziz chami, Rajaa BENABBOU, Belkheir Hammouti, ZAKIA RAIS and Mounia Elhaji

Keywords: Green corrosion inhibitors, Plant extracts, automotive, automotive corrosion, steel

<p class="MsoBodyText" style="margin-top:.1pt;text-align:justify">Corrosion affects most industrial sectors, in particular the automotive sector. It costs billions of dollars every year. Corrosion limits the life of vehicles and affects the brand image of manufacturers. Forecasting the behavior of metallic bodywork in the face of corrosion represents a major scientific and technological challenge. </p><p> </p><p class="MsoBodyText" style="margin-top:.1pt;text-align:justify">To delay the phenomenon of corrosion, it is possible to act on the material, on the surface of the material or on the environment with which the material is in contact. The use of inhibitors to prevent the process of dissolving metals remains a widespread application. In fact, inhibitors are chemicals which, when added in small quantities to the medium, reduce the rate of corrosion of materials. This review mainly covers important corrosion inhibitors and their inhibitory effectiveness. The information presented is derived from study published over the past 10 years, accessed from all major databases. This choice stems from the high number of studies carried out on the treatment of corrosion of steels by inhibitors beyond ten years. This review aims to provide a comprehensive understanding of the corrosion problem of cars, opens up the possibility of using mainly green inhibitors and a basis for comparison to guide the selection of an appropriate and economical inhibitor for the case of the automotive industry.</p>

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