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Material Sciences 2025
微纳米添加剂α-Al2O3在表面涂层领域的应用现状及市场前景
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Abstract:
微纳米α-Al2O3是一种重要的功能材料，因其优异的硬度、耐磨性、耐腐蚀性和高热稳定性，在表面涂层领域得到了广泛应用。随着微纳米技术的发展，微纳米级α-Al2O3作为添加剂在各涂层体系中的应用得到了深入研究，显示出其能够显著改善涂层性能的潜力。微纳米α-Al2O3颗粒具有较大的比表面积和表面活性，能够增强涂层的机械性能，如硬度和耐磨性，同时提高涂层的耐腐蚀性和耐高温性能。微纳米α-Al2O3也是一种极优良的改性材料，其与有机硅烷、树脂等材料复合改性，既能大幅提升转化膜的应用效果，对其稳定性和耐候性也有较大的促进作用。在金属表面涂层、陶瓷涂层以及复合材料涂层中，微纳米α-Al2O3添加剂被广泛用于提高涂层的使用寿命和稳定性。此外，它在电子器件、航天航空和汽车工业等高技术领域也展现了广阔的应用前景。未来，随着表面技术的发展，微纳米α-Al2O3无铬钝化领域的市场应用将大幅增长，与其他功能性材料的协同作用和复合材料开发也将成为研究的重点。
Micro-nano α-Al2O3 is an important functional material, because of its excellent hardness, wear resistance, corrosion resistance and high thermal stability, has been widely used in the field of surface coating. With the development of micro-nano technology, the application of micro-nano α-Al2O3 as an additive in various coating systems has been deeply studied, showing its potential to significantly improve coating properties. Micro-nano α-Al2O3 particles have a large specific surface area and surface activity, which can enhance the mechanical properties of the coating, such as hardness and wear resistance, while improving the corrosion resistance and high temperature resistance of the coating. Micro-nano α-Al2O3 is also an excellent modified material, and its composite modification with organosilane, resin and other materials can greatly improve the application effect of conversion film, and also has a greater role in promoting its stability and weather resistance. In metal surface coatings, ceramic coatings and composite coatings, micro-nano α-Al2O3 additives are widely used to improve the service life and stability of coatings. In addition, it also shows broad application prospects in high-tech fields such as electronic devices, aerospace and automotive industries. In the future, with the development of surface technology, the market application of micro-nano α-Al2O3 chromium-free passivation will grow significantly, and the synergy with other functional materials and the development of composite materials will also become the focus of research.
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