具有更强耐腐蚀性的 BaZn2(PO4)2 转换涂层的简化合成方法

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2024-11-09 DOI:10.1016/j.matlet.2024.137685

Chi Li, Xiaogang Di, Shouwei Ren, Jian Wang, Zhigao Wang, Tijun Li

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引用次数: 0

摘要

具有高耐腐蚀性的磷酸盐转化涂层对于航空钢材防腐蚀系统的快速发展至关重要。本研究采用化学液相沉积法合成了 BaZn2(PO4)2 涂层，并通过 X 射线衍射、扫描电子显微镜和 N2 吸附-解吸等温线分析对其进行了表征。电化学测试表明，BaZn2(PO4)2 涂层的致密堆积形态导致电化学活性表面积、电化学阻抗响应和腐蚀电位显著下降。因此，BaZn2(PO4)2 涂层在 3 wt% 的 NaCl 溶液中表现出令人满意的抗腐蚀性能。

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Simplified synthesis of BaZn2(PO4)2 conversion coating with enhanced corrosion resistance

Phosphate conversion coatings with high corrosion resistance are crucial for the rapid advancement of anti-corrosion systems for steel materials used in aviation. In this study, BaZn₂(PO₄)₂ coating was synthesized using a chemical liquid phase deposition method and characterized by X-ray diffraction, scanning electron microscopy, and N₂ adsorption–desorption isotherm analysis. Electrochemical tests revealed that the dense stacking morphology of the BaZn₂(PO₄)₂ coating led to a significant decrease in electrochemical active surface area, electrochemical impedance response, and corrosion potential. As a result, the BaZn₂(PO₄)₂ coating exhibited satisfactory anti-corrosion performance in 3 wt% NaCl solution.

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive