Contact oxidation corrosion analysis via a mechano-chemical coupled model

IF 9.4 1区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Mechanical Sciences Pub Date : 2025-09-12 DOI:10.1016/j.ijmecsci.2025.110829

Xin-Yu Cui , Fei Shen , Zi-Xiao Zhang , Gang-Gang Chang , Liao-Liang Ke

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Abstract

This work proposes, for the first time, a fully coupled contact-oxidation corrosion model for copper at high temperature, which simultaneously considers the interaction among contact pressure, oxygen diffusion, and chemical reaction. The model is implemented via an ABAQUS UEL subroutine, enabling the simulation of bidirectional coupling between mechanical contact and oxidation corrosion under service-relevant conditions. Model accuracy is confirmed through comparison with both theoretical solutions of oxygen concentration in equilibrium state and experimental measurements of oxide thickness. The proposed model comprehensively investigates the bidirectional coupling effect between the contact behavior and oxidation reaction process. The effect of different positions of the contact zone and gas boundary on gas diffusion is also discussed. The results demonstrate that the oxidation reaction can affect the changes in contact pressure and contact zone. Compression stress due to contact will inhibit the oxygen ions diffusion and further suppress the progress of oxidation reaction.

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机械-化学耦合模型的接触氧化腐蚀分析

本文首次提出了铜在高温下的完全耦合接触-氧化腐蚀模型，该模型同时考虑了接触压力、氧扩散和化学反应之间的相互作用。该模型通过ABAQUS UEL子程序实现，能够模拟与使用相关条件下机械接触和氧化腐蚀之间的双向耦合。通过与平衡态氧浓度的理论解和氧化层厚度的实验测量值的比较，证实了模型的准确性。该模型全面考察了接触行为与氧化反应过程之间的双向耦合效应。讨论了接触区和气体边界的不同位置对气体扩散的影响。结果表明，氧化反应会影响接触压力和接触区域的变化。接触产生的压缩应力会抑制氧离子的扩散，进一步抑制氧化反应的进行。

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来源期刊

International Journal of Mechanical Sciences 工程技术-工程：机械

CiteScore

12.80

自引率

17.80%

发文量

769

审稿时长

19 days

期刊介绍： The International Journal of Mechanical Sciences (IJMS) serves as a global platform for the publication and dissemination of original research that contributes to a deeper scientific understanding of the fundamental disciplines within mechanical, civil, and material engineering. The primary focus of IJMS is to showcase innovative and ground-breaking work that utilizes analytical and computational modeling techniques, such as Finite Element Method (FEM), Boundary Element Method (BEM), and mesh-free methods, among others. These modeling methods are applied to diverse fields including rigid-body mechanics (e.g., dynamics, vibration, stability), structural mechanics, metal forming, advanced materials (e.g., metals, composites, cellular, smart) behavior and applications, impact mechanics, strain localization, and other nonlinear effects (e.g., large deflections, plasticity, fracture). Additionally, IJMS covers the realms of fluid mechanics (both external and internal flows), tribology, thermodynamics, and materials processing. These subjects collectively form the core of the journal's content. In summary, IJMS provides a prestigious platform for researchers to present their original contributions, shedding light on analytical and computational modeling methods in various areas of mechanical engineering, as well as exploring the behavior and application of advanced materials, fluid mechanics, thermodynamics, and materials processing.