Advanced nano-composite coatings of ZrB₂/ZrC/SiC on carbon fibers via eco-friendly precursor synthesis

IF 4.9 2区化学 Q2 CHEMISTRY, PHYSICAL

Colloids and Surfaces A: Physicochemical and Engineering Aspects Pub Date : 2024-11-06 DOI:10.1016/j.colsurfa.2024.135729

Niranjan Patra

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引用次数: 0

Abstract

This study presents a comprehensive investigation into the synthesis and characterization of ZrB₂/ZrC/SiC composite coatings on carbon fiber substrates via a solution-based process followed by high-temperature pyrolysis. The precursor solution was prepared using Gum Ghatti (GG), zirconyl chloride, tetraethyl orthosilicate, and boric acid. Optimization of precursor concentration and molar ratios was performed to achieve suitable viscosity and composition. The pyrolysis process was conducted in an argon atmosphere, resulting in the formation of well-defined ZrB₂, ZrC, and SiC phases. XRD analysis confirmed the phase composition, while SEM imaging revealed spheroidal particle aggregates with a uniform distribution of composite phases. TG-DTA analysis reveals the thermal decomposition behavior, highlighting distinct stages of mass loss and phase transformations. Coated carbon fibers exhibited enhanced oxidation resistance, as evidenced by TGA analysis. SEM analysis confirmed the uniform distribution and adhesion of the composite matrix on the carbon fiber substrate. This study demonstrates the successful synthesis of ZrB₂/ZrC/SiC composite coatings with promising thermal properties for advanced applications.

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通过生态友好型前驱体合成在碳纤维上形成先进的 ZrB₂/ZrC/SiC 纳米复合涂层

本研究介绍了通过溶液法工艺在碳纤维基底上合成 ZrB2/ZrC/SiC 复合涂层并对其进行表征的综合研究。前驱体溶液使用 Gum Ghatti (GG)、氯化锆、正硅酸四乙酯和硼酸制备。对前驱体浓度和摩尔比进行了优化，以获得合适的粘度和成分。热解过程在氩气环境中进行，最终形成了界限分明的 ZrB2、ZrC 和 SiC 相。XRD 分析证实了相的组成，而 SEM 成像显示了复合相均匀分布的球形颗粒聚集体。TG-DTA 分析显示了热分解行为，突出了质量损失和相变的不同阶段。TGA 分析表明，涂层碳纤维具有更强的抗氧化性。扫描电镜分析证实了复合基质在碳纤维基底上的均匀分布和附着力。这项研究表明，ZrB2/ZrC/SiC 复合涂层的成功合成具有良好的热性能，可用于先进的应用领域。

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来源期刊

Colloids and Surfaces A: Physicochemical and Engineering Aspects 化学-物理化学

CiteScore

8.70

自引率

9.60%

发文量

2421

审稿时长

56 days

期刊介绍： Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.