沉积在 SS316L 基材上的单层和多层金属和陶瓷膜的耐腐蚀性能和氢脆保护效率

IF 4.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Chemistry and Physics Pub Date : 2024-11-08 DOI:10.1016/j.matchemphys.2024.130129

Hsuan-Kai Lin , Xue-Yu Lu , Cian-Yu Hu , Kao-Shu Chuang , Jui-Hsiung Huang

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引用次数: 0

摘要

氢是一种前景广阔的清洁能源。然而，用于储存氢燃料的储罐容易发生氢脆，从而面临应力开裂和灾难性失效的风险。因此，本研究在 316L 不锈钢基底上沉积了单层和双层 Zr、Al、SiO2、Al2O3、Al@Al2O3 和 Al@SiO2 薄膜，并通过测量它们的防腐蚀性能和氢渗透电流，考察了它们作为保护涂层的可行性。结果表明，单层 Al2O3 膜的耐腐蚀性高于单层 SiO2 膜和裸 316L 基材。在所有涂层中，Al@Al2O3 双层涂层的保护效率最高，达到 95%。此外，它还显示出最低的氢穿透电流密度（1.08 x 10-3 A/cm2）、最长的氢脆时间（16000 秒）和最低的氢含量（0.008 mol/cm3）。换句话说，Al@Al2O3 双层涂层兼具优异的耐腐蚀性和出色的氢渗透抑制能力。因此，在实际应用中，该材料有望提高储氢罐的安全性和使用寿命。

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Corrosion resistance properties and hydrogen embrittlement protection efficiency of single-layer and multi-layer metal and ceramic films deposited on SS316L substrates

Hydrogen is a promising source of clean energy. However, the tanks used to store hydrogen fuel are prone to hydrogen embrittlement and are thus at risk of stress cracking and catastrophic failure. Accordingly, this study deposited single-layer and double-layer Zr, Al, SiO₂, Al₂O₃, Al@Al₂O₃, and Al@SiO₂ films on 316L stainless steel substrates and examined their feasibility as protective coatings by measuring their anti-corrosion properties and hydrogen permeation currents. The results showed that the single-layer Al₂O₃ film had a higher corrosion resistance than the single-layer SiO₂ film and bare 316L substrate. Among all the coatings, the Al@Al₂O₃ double-layer coating exhibited the highest protection efficiency of 95 %. Moreover, it showed the lowest hydrogen penetration current density (1.08 x 10⁻³ A/cm²), the longest hydrogen embrittlement time (16000 s), and the lowest hydrogen content (0.008 mol/cm³). In other words, the Al@Al₂O₃ double-layer coating combined superior corrosion resistance with excellent hydrogen permeation suppression. Consequently, it is a promising material for enhancing the safety and longevity of hydrogen storage tanks in practical applications.

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来源期刊

Materials Chemistry and Physics 工程技术-材料科学：综合

CiteScore

8.70

自引率

4.30%

发文量

1515

审稿时长

69 days

期刊介绍： Materials Chemistry and Physics is devoted to short communications, full-length research papers and feature articles on interrelationships among structure, properties, processing and performance of materials. The Editors welcome manuscripts on thin films, surface and interface science, materials degradation and reliability, metallurgy, semiconductors and optoelectronic materials, fine ceramics, magnetics, superconductors, specialty polymers, nano-materials and composite materials.