Inhibiting corrosion of aluminum alloy 7075 beneath a thin liquid film containing Aspergillus terreus

IF 7.4 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Corrosion Science Pub Date : 2025-04-02 DOI:10.1016/j.corsci.2025.112912
Hongwei Liu , Jiongming Chen , Zhi Wang , Ruoling Liu , Yi Zhang , Yansheng Yin , Xiaogang Chen , Guozhe Meng , Shaojia Fan
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Abstract

In this work, fungal corrosion and inhibition behaviors of aluminum alloy 7075 beneath a thin liquid film were systematically investigated. Results demonstrate that Aspergillus terreus significantly accelerates localized corrosion with a high value of 4.693 mm/y which is 22.45 times the abiotic control. The addition of octadecylamine (OD), benzalkonium chloride (BKC), and imidazoline derivative (IM) effectively mitigates fungal corrosion by forming an inhibitor film and inhibiting the biological activity of A. terreus. The antifungal efficiency of IM is better, i.e., 91.5%. Antifungal uniform corrosion of IM is better while BKC possesses a higher inhibition efficiency (92.2%) for localized corrosion.
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在含有土曲霉的薄液体膜下抑制7075铝合金的腐蚀
本文系统地研究了7075铝合金在液体薄膜下的真菌腐蚀和抑制行为。结果表明,土曲霉显著加速了局部腐蚀,达到4.693 mm/y,是非生物对照的22.45倍。十八乙胺(OD)、苯扎氯铵(BKC)和咪唑啉衍生物(IM)的加入通过形成缓蚀剂膜,有效地抑制了A. terreus的生物活性,减轻了真菌的腐蚀。IM的抑菌效率较好,为91.5%。IM的抗真菌均匀腐蚀效果较好,而BKC对局部腐蚀的抑制效率更高(92.2%)。
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来源期刊
Corrosion Science
Corrosion Science 工程技术-材料科学:综合
CiteScore
13.60
自引率
18.10%
发文量
763
审稿时长
46 days
期刊介绍: Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.
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