Y2O3 纳米粒子对 Ni-W/CeO2 复合涂层微观结构、耐腐蚀性和硬度的影响

Corrosion Engineering, Science and Technology: The International Journal of Corrosion Processes and Corrosion Control Pub Date : 2024-07-21 DOI:10.1177/1478422x241261785

Fatemeh Saeidpour, Gholamreza Heidari

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引用次数: 0

摘要

采用电镀法制作了 Ni-W、Ni-W/CeO2 和 Ni-W/CeO2-Y2O3 涂层。涂层的微观结构和化学成分分别用场发射扫描电子显微镜和能量色散光谱进行了检测。通过 X 射线衍射研究了相组成。电化学测试评估了复合涂层的耐腐蚀性。同时还测定了涂层的平均硬度值。结果表明，Y2O3 颗粒大大提高了 Ni-W/CeO2 复合涂层的耐腐蚀性。显微硬度评估显示，Ni-W/CeO2-Y2O3 涂层铜的硬度值最高。

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Effect of Y2O3 nanoparticles on microstructure, corrosion resistance and hardness of Ni–W/CeO2 composite coatings

Ni–W, Ni–W/CeO2 and Ni–W/CeO2–Y2O3 coatings were created by the electroplating method. The microstructure and chemical composition of the coatings were examined using field-emission scanning electron microscopy and energy dispersive spectroscopy, respectively. The phase composition was investigated by X-ray diffraction. The electrochemical test was performed to evaluate the corrosion resistance of the composite coatings. The average hardness values of the coatings were also determined. The results showed that Y2O3 particles considerably increased the corrosion resistance of the Ni–W/CeO2 composite coating. The microhardness evaluations revealed that the highest hardness value was obtained for the Ni–W/CeO2–Y2O3-coated Cu.

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Corrosion Engineering, Science and Technology: The International Journal of Corrosion Processes and Corrosion Control

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