A 2-dimensional modelling of the coating process of nickel on polyurethane foam via electrodeposition

IF 2.5 4区材料科学 Q2 CHEMISTRY, APPLIED

Journal of Porous Materials Pub Date : 2024-04-27 DOI:10.1007/s10934-024-01608-6

N. Ghiasi, F. Kunz, A. Jung, S. Diebels

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Abstract

A numerical model is proposed to investigate the electrodeposition coating process of open-porous polyurethane (PU) foams with nickel. The modelling approach is based on the mixture theory, which accounts for the multi-phase nature of the system comprising the porous foam structure and the electrolyte which consists of the deposition material in form of cations. The model takes into consideration various physical and electrochemical phenomena, including different ionic transport mechanisms, i.e. diffusion, convection and migration. By solving the governing equations numerically, the coating process and the relevant variables are predicted over time. The simulation results are compared with experimental data to assess the agreement between the model and the experimental results. The findings reveal that the numerical model provides valuable insights into the electrodeposition process and facilitates a deeper understanding of the underlying mechanisms and it can be used for optimizing the coating process parameters.

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通过电沉积在聚氨酯泡沫上镀镍过程的二维建模

本文提出了一个数值模型，用于研究开孔聚氨酯（PU）泡沫的镍电沉积涂层过程。建模方法基于混合物理论，该理论考虑了多孔泡沫结构和电解质（由阳离子形式的沉积材料组成）系统的多相性质。该模型考虑了各种物理和电化学现象，包括不同的离子传输机制，即扩散、对流和迁移。通过对控制方程进行数值求解，可以预测随时间推移的涂层过程和相关变量。模拟结果与实验数据进行了比较，以评估模型与实验结果之间的一致性。研究结果表明，该数值模型为电沉积过程提供了有价值的见解，有助于加深对潜在机理的理解，并可用于优化涂层工艺参数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Porous Materials 工程技术-材料科学：综合

CiteScore

4.80

自引率

7.70%

发文量

203

审稿时长

2.6 months

期刊介绍： The Journal of Porous Materials is an interdisciplinary and international periodical devoted to all types of porous materials. Its aim is the rapid publication of high quality, peer-reviewed papers focused on the synthesis, processing, characterization and property evaluation of all porous materials. The objective is to establish a unique journal that will serve as a principal means of communication for the growing interdisciplinary field of porous materials. Porous materials include microporous materials with 50 nm pores. Examples of microporous materials are natural and synthetic molecular sieves, cationic and anionic clays, pillared clays, tobermorites, pillared Zr and Ti phosphates, spherosilicates, carbons, porous polymers, xerogels, etc. Mesoporous materials include synthetic molecular sieves, xerogels, aerogels, glasses, glass ceramics, porous polymers, etc.; while macroporous materials include ceramics, glass ceramics, porous polymers, aerogels, cement, etc. The porous materials can be crystalline, semicrystalline or noncrystalline, or combinations thereof. They can also be either organic, inorganic, or their composites. The overall objective of the journal is the establishment of one main forum covering the basic and applied aspects of all porous materials.