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Abstract：
Mathematical modelling and software simulation nowadays are very effective tools for both understanding and predicting corrosion processes and the protection of metallic components. COMSOL Multiphysics 5.6 software provides validated mathematical models that can be used, for a given geometry, as a tool to predict and prevent corrosion of components. The corrosion of zinc-coated steel sheets has been studied in this work by comparing results of the simulations with laboratory tests carried out in a salt spray. Results of both the mathematical modelling and empirical tests give the possibility to estimate the stability of the protective zinc layer over time. The examination of the discrepancies between two analytical methods for the investigation of corrosion phenomena leads to possible modifications in the model in order to reach as much as possible coherence with experimental data. As a final result, a computational model of corrosion phenomena in an automotive component has been reached, allowing in the future to partially substitute laboratory tests, usually being highly time consuming and expensive.
摘要：
如今，数学建模和软件仿真是了解和预测腐蚀过程以及保护金属构件的非常有效的工具。COMSOLMultiphysics5.6软件提供了可以使用的经过验证的数学模型，对于给定的几何形状，作为预测和防止部件腐蚀的工具。通过将模拟结果与在盐雾中进行的实验室测试进行比较，研究了镀锌钢板的腐蚀。数学建模和经验测试的结果都提供了估计保护性锌层随时间的稳定性的可能性。检查用于研究腐蚀现象的两种分析方法之间的差异会导致对模型进行可能的修改，以便与实验数据尽可能地保持一致。作为最后的结果，已经建立了汽车部件腐蚀现象的计算模型，允许将来部分替代实验室测试，通常是非常耗时和昂贵的。
