Abstract
Corrosion resistance of automotive components has become a sensitive topic over time, becoming an important improvement requirement for materials used in the manufacture of automobiles, especially for the functionality of vehicles on roads treated with de-icing salt. By preventing corrosion, an annual expenses of about 25% is estimated to be eliminated.
This study details a failure analysis on doorsill panel returned from Russia after 41 months in service. Customers reported five cases via a Quality Report, of which there are three different cases. Firstly, corrosion forming underneath the door opening seal. Second rework from a previous repair to top of rear doorsill. Third corrosion forming from paint becoming damaged to base of B pillar area. The analysis includes a visual inspection of the corroded surface at high magnification and chemical analysis of the substrate material, corrosion product and surface contaminants. The analysis results consist as input elements for the next step of simulation including corrosion tests, humidity and hot test, dry cycle so as to improve corrosion protection.
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Diga, D., Severin, I. (2021). Sill Panel Corrosion in Automotive Industry. In: Trzcielinski, S., Mrugalska, B., Karwowski, W., Rossi, E., Di Nicolantonio, M. (eds) Advances in Manufacturing, Production Management and Process Control. AHFE 2021. Lecture Notes in Networks and Systems, vol 274. Springer, Cham. https://doi.org/10.1007/978-3-030-80462-6_18
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DOI: https://doi.org/10.1007/978-3-030-80462-6_18
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