在 TC4 合金上原位制备的 VSx / TiO2 复合层的微观结构和摩擦学特性

IF 1 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Digest Journal of Nanomaterials and Biostructures Pub Date : 2024-01-01 DOI:10.15251/djnb.2024.191.107

Q. Li, J. Shang, G. Gu

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引用次数: 0

摘要

通过微弧氧化（MAO）法在电解液中加入 Na2S 和 Na3VO4，成功制备了 VSX/TiO2 复合层。通过 X 射线衍射、扫描电子显微镜和三维真彩显微镜对其结构、形貌和摩擦学性能进行了分析。结果表明，当 Na2S 浓度为 10-20 g/L 时，VSx/TiO2 复合层的厚度最大，摩擦系数和体积磨损最小。通过 MAO 原位制备的 VSx/TiO2 复合层可以改善 TC4 合金在高温下的摩擦学性能。

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Microstructure and tribological properties of VSx / TiO2 composite layers in-situ prepared on TC4 alloy

The VSX/TiO2 composite layer was successfully prepared by adding Na2S and Na3VO4 into electrolytes through micro-arc oxidation (MAO) method. The structure, morphology and tribological properties were analyzed by X-ray diffraction, scanning electron microscopy and 3D true color microscopy. The results show that when the concentration of Na2S is 10-20 g/L, the thickness of VSx/TiO2 composite layer is the thickest, and the friction coefficient and volume wear are the lowest. The VSx/TiO2 composite layer in-situ prepared by MAO can improve the tribological properties of TC4 alloy at high temperature.

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