Self-strengthening phytic acid micelle(PAM)-Zn complex film fabricated on cold rolled steel (CRS) for corrosion protection

IF 7.4 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Corrosion Science Pub Date : 2025-05-01 Epub Date: 2025-02-12 DOI:10.1016/j.corsci.2025.112767
Ru Yan , Xiao Zhang , Xiang Gao , Wei He , Houyi Ma
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Abstract

PAM formed by self-organization can be considered as nanocontainers of phytic acid (PA) molecules and used for the corrosion protection of metal materials. Herein, self-strengthening PAM-Zn conversion films were successfully constructed on CRS substrate by a simple dipping method. The highest protection efficiency of PAM-Zn films was 81.0 % and was further increased beyond 90 % after immersion in NaCl solution. The immersion treatment in NaCl solution not only promoted the formation of morePO43and PAM-Zn complex, but also changed the surface microstructure and increased the film thickness and compactness, thereby leading to the great enhancement of anti-corrosion performance.
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在冷轧钢(CRS)上制备自强化植酸胶束(PAM)-锌复合膜
自组织形成的PAM可以看作是植酸分子的纳米容器,可用于金属材料的防腐。通过简单的浸渍法,在CRS衬底上成功构建了自强化PAM-Zn转化膜。PAM-Zn膜的最高保护率为81.0 %,浸泡在NaCl溶液后保护率进一步提高到90 %以上。在NaCl溶液中浸泡处理不仅促进了morePO43−和PAM-Zn络合物的形成,而且改变了表面微观结构,增加了膜的厚度和致密性,从而大大提高了防腐性能。
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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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