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Predictive Peridynamic 3D Models of Pitting Corrosion in Stainless Steel with Formation of Lacy Covers

机译:带花边盖形成的不锈钢点蚀腐蚀的可预测蠕动3D模型

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In this work, the peridynamic corrosion model is used for 3D simulation of pitting corrosion in stainless steel. Models for passivation and salt layer formation are employed to predict detailed characteristics of pit growth kinetic in stainless steels, such as lacy cover formation on top of the pit, and the diffusion-controlled regime at the pit bottom. The model is validated against an experimentally grown pit on 316L stainless steel in NaCI solution. Lacy covers in this model are formed autonomously during the simulation process. They are remarkably similar to the covers observed on top of the real pits.
机译:在这项工作中,王动脉腐蚀模型用于不锈钢蚀腐蚀的3D模拟。用于钝化和盐层形成的模型用于预测不锈钢中坑生长动力学的详细特性,例如坑顶部的花边盖板,以及坑底部的扩散控制的制度。该模型在NaCl溶液中对316L不锈钢的实验生长坑进行了验证。在模拟过程中,该模型中的花边盖在模拟过程中是自主形成的。它们非常类似于在真实坑顶部观察到的盖子。

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