丙氨酸三元配合物超薄涂层在碳钢表面的气相组装，具有增强的耐蚀性

IF 1.5 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Corrosion Engineering, Science and Technology Pub Date : 2023-08-16 DOI:10.1080/1478422X.2023.2243736

Qiang Wang, Liangxing Ma, Jiajia An, Daquan Zhang, Weizhe Li, L. Gao

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引用次数: 1

摘要

摘要以丙氨酸（ALA）、磷酸和二丁胺为原料，合成了一种新型的丙氨酸三元配合物（ALA-T）。红外光谱技术用于表征其结构。封闭空间失重实验研究丙氨酸三元配合物的挥发性。通过丙氨酸三元配合物的气相组装在碳钢表面形成超薄涂层。使用光谱椭圆偏振法测量涂层的厚度。通过挥发性抑制能力（VIA）和电化学测试，研究了超薄涂层对碳钢腐蚀的抑制作用。利用扫描电子显微镜（SEM）和能谱仪（EDS）对碳钢表面的形貌和成分进行了检测。结果表明，复合超薄涂层对碳钢具有良好的缓蚀性能。对超薄涂层的防护机理进行了探讨和分析。

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Vapour phase assembly of ultrathin coatings from alanine ternary complex on the carbon steel surface with enhanced corrosion resistance

ABSTRACT A novel alanine ternary complex (ALA-T) is prepared by the reaction of alanine (ALA), phosphoric acid, and dibutylamine. FTIR technique is used to characterise its structure. The weight-loss experiments in the closed space study the volatility of the alanine ternary complex. The ultrathin coating is formed on the surface of carbon steel by vapour phase assembly of the alanine ternary complex. The thickness of the coatings is measured using spectroscopic ellipsometry. The inhibition effect of ultrathin coatings on the corrosion of carbon steel is studied by the volatile-inhibiting ability (VIA) and the electrochemical tests. Scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) are utilised to examine the morphology and composition of the carbon steel surface. It shows that the complex ultrathin coating has good corrosion inhibition for carbon steel. The protection mechanism of the ultrathin coating is discussed and analysed.

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来源期刊

Corrosion Engineering, Science and Technology 工程技术-材料科学：综合

CiteScore

3.20

自引率

5.60%

发文量

审稿时长

3.4 months

期刊介绍： Corrosion Engineering, Science and Technology provides broad international coverage of research and practice in corrosion processes and corrosion control. Peer-reviewed contributions address all aspects of corrosion engineering and corrosion science; there is strong emphasis on effective design and materials selection to combat corrosion and the journal carries failure case studies to further knowledge in these areas.