Nanostructured Diamond Particles in the Development of Protective Anticorrosion Epoxy Coatings

IF 1.1 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING

Protection of Metals and Physical Chemistry of Surfaces Pub Date : 2024-06-20 DOI:10.1134/S207020512470148X

Yu. A. Kondratenko, N. K. Golubeva, A. G. Ivanova, V. Yu. Dolmatov, V. L. Ugolkov, O. A. Zagrebelny, V. A. Alekseev, Chi Văn Nguyễn, T. A. Kochina

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Abstract

In this work, nanostructured diamond particles are considered as fillers for epoxy coatings. Nanodiamonds and a diamond charge obtained as a result of detonation synthesis from a mixture of TNT and hexogen are characterized by IR spectroscopy, scanning electron microscopy, and thermal analysis. It has been shown that nanodiamonds are characterized by thermal stability up to 450°C and increase the thermal stability of epoxy coatings. The influence of nanodiamonds and diamond charge, depending on their quantity and synthesis conditions, on the physical and mechanical properties (hardness, contact angle, adhesion, impact and bending strength) of epoxy coatings is studied. The results of a study of the anticorrosion resistance of epoxy coatings with 10 wt % nanodiamonds compared to polymethylphenylsiloxane resin coating using methods of potentiodynamic polarization, linear polarization resistance, and impedance measurements, supplemented by field tests in humid tropical climates are presented.

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纳米结构金刚石颗粒在环氧树脂防腐保护涂层开发中的应用

摘要在这项工作中，考虑将纳米结构金刚石颗粒作为环氧涂层的填料。通过红外光谱、扫描电子显微镜和热分析，对从 TNT 和己二胺混合物中引爆合成的纳米金刚石和金刚石装药进行了表征。结果表明，纳米金刚石具有高达 450°C 的热稳定性，可提高环氧涂层的热稳定性。根据纳米金刚石和金刚石电荷的数量和合成条件，研究了它们对环氧涂层的物理和机械性能（硬度、接触角、附着力、冲击和弯曲强度）的影响。采用电位极化、线性极化电阻和阻抗测量方法，并辅以在潮湿的热带气候条件下进行的现场测试，对含有 10 wt % 纳米金刚石的环氧涂层与聚甲基苯基硅氧烷树脂涂层的防腐性能进行了对比研究，并得出了研究结果。

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来源期刊

Protection of Metals and Physical Chemistry of Surfaces 工程技术-冶金工程

CiteScore

1.90

自引率

18.20%

发文量

审稿时长

4-8 weeks

期刊介绍： Protection of Metals and Physical Chemistry of Surfaces is an international peer reviewed journal that publishes articles covering all aspects of the physical chemistry of materials and interfaces in various environments. The journal covers all related problems of modern physical chemistry and materials science, including: physicochemical processes at interfaces; adsorption phenomena; complexing from molecular and supramolecular structures at the interfaces to new substances, materials and coatings; nanoscale and nanostructured materials and coatings, composed and dispersed materials; physicochemical problems of corrosion, degradation and protection; investigation methods for surface and interface systems, processes, structures, materials and coatings. No principe restrictions exist related systems, types of processes, methods of control and study. The journal welcomes conceptual, theoretical, experimental, methodological, instrumental, environmental, and all other possible studies.