疏水表面处理对Fe-Mn-Si记忆合金耐蚀性的影响

IF 2.4 4区化学 Q4 ELECTROCHEMISTRY

International Journal of Electrochemical Science Pub Date : 2025-05-17 DOI:10.1016/j.ijoes.2025.101072

Shuai Suo , Xinmei Li , Zhiming Li , Tianxiang Xue , Xiangyang Jing , Fuqiang Guo , Kai Chong

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引用次数: 0

摘要

Fe-Mn-Si形状记忆合金耐腐蚀元素含量低，易于形成两相结构，耐腐蚀性能较差。本文研究了Fe-15.5Mn-5.2Si-8.5Cr-5Ni形状记忆合金经过预应变和表面疏水处理后的耐蚀性。结果表明：大变形预应变后，合金的γ/ε两相组织的形成显著降低了合金的耐蚀性；经酸性工艺处理的样品疏水性能优于碱处理的样品，接触角大幅减小，可显著提高合金的耐腐蚀性。

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Effect of hydrophobic surface treatment on corrosion resistance of Fe-Mn-Si memory alloy

Fe-Mn-Si shape memory alloys have poor corrosion resistance due to the low content of corrosion-resistant elements and the tendency to form a two-phase structure. This study investigates the corrosion resistance of Fe-15.5Mn-5.2Si-8.5Cr-5Ni shape memory alloy after pre-straining and surface hydrophobic treatments using both acidic and alkaline processes. The results show that after large deformation pre-straining, the formation of the γ/ε two-phase structure significantly reduces the corrosion resistance. The hydrophobic performance of the samples treated with the acidic process is better than that of the alkaline-treated samples, with a substantial decrease in contact angle, which can significantly improve the corrosion resistance of the alloy.

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来源期刊

International Journal of Electrochemical Science 工程技术-电化学

CiteScore

3.00

自引率

20.00%

发文量

714

审稿时长

2.6 months

期刊介绍： International Journal of Electrochemical Science is a peer-reviewed, open access journal that publishes original research articles, short communications as well as review articles in all areas of electrochemistry: Scope - Theoretical and Computational Electrochemistry - Processes on Electrodes - Electroanalytical Chemistry and Sensor Science - Corrosion - Electrochemical Energy Conversion and Storage - Electrochemical Engineering - Coatings - Electrochemical Synthesis - Bioelectrochemistry - Molecular Electrochemistry