农副产品菜籽粕提取物作为盐酸介质中铝腐蚀的高效抑制剂：实验和理论研究

IF 7.4 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Corrosion Science Pub Date : 2024-10-03 DOI:10.1016/j.corsci.2024.112500

Simei Yang , Shuduan Deng , Gaofei Wei , Yujie Qiang , Bokai Liao , Dake Xu , Min Tang , Juan Xu , Xianghong Li

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引用次数: 0

摘要

利用失重法、电化学测量和表面特性分析评估了菜籽粕提取物（RME）在盐酸介质中对铝腐蚀的抑制性能。研究发现，菜籽粕提取物通过抑制阴极反应，显著增大了电化学反应的电荷转移电阻。RME 能自发地吸附在铝表面形成一层保护膜，这种吸附行为与 Langmuir 吸附等温线模型一致。此外，这种吸附膜具有较低的自由体积分数（FFV）和自扩散系数（self-D），能在盐酸介质中强力延缓铝的腐蚀，抑制效率最高可达 99.0%。

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Agricultural by-product of rapeseed meal extract as a highly efficient inhibitor for aluminum corrosion in HCl media: Experimental and theoretical studies

The inhibition performance of rapeseed meal extract (RME) on aluminum corrosion in HCl media was evaluated using weight loss method, electrochemical measurements, and surface characterizations. It is found that RME dramatically enlarges the charge transfer resistance of electrochemical reaction by inhibiting the cathodic reaction. RME can spontaneously adsorb on the aluminum surface to form a protective film, and this adsorptive behavior is consistent with Langmuir adsorption isotherm model. In addition, this adsorptive film with low fraction free volume (FFV) and self-diffusion coefficient (self-D) can strongly retard aluminum corrosion in HCl media with the highest inhibition efficiency of 99.0 %.

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来源期刊

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.