Simulation of Corrosion Phenomena in Automotive Components: A Case Study

被引：2
|
作者：
Ferrarotti, Annalisa [1 ,2 ]
Ghiggini, Elisa Vittoria [1 ,2 ]
Rocca, Riccardo [1 ,2 ]
Dotoli, Matteo [1 ,2 ]
Scaglione, Federico [1 ]
Errigo, Claudio [2 ]
Marchiaro, Giancarlo [2 ]
Baricco, Marcello [1 ]
机构：
[1] Univ Turin, Dept Chem, NIS INSTM, Via Pietro Giuria 7, I-10125 Turin, Italy
[2] CRFSCpA, Ctr Ric Fiat, Corso Settembrini 40, I-10135 Turin, Italy
来源：
MATERIALS | 2023年 / 16卷 / 15期
关键词：
corrosion; computer simulations; coating materials; ACCELERATED CORROSION; LOCALIZED CORROSION; TESTS;
D O I：
10.3390/ma16155368
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
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页数：13
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