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李云龙, 韩世超, 焦玉龙, 肖绮, 蔡彤彤, 张雪辉. Ni-SiO2复合镀层电沉积制备及组织性能研究[J]. 有色金属科学与工程, 2022, 13(2): 31-37. DOI: 10.13264/j.cnki.ysjskx.2022.02.005
引用本文: 李云龙, 韩世超, 焦玉龙, 肖绮, 蔡彤彤, 张雪辉. Ni-SiO2复合镀层电沉积制备及组织性能研究[J]. 有色金属科学与工程, 2022, 13(2): 31-37. DOI: 10.13264/j.cnki.ysjskx.2022.02.005
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LI Yunlong, HAN Shichao, JIAO Yulong, XIAO Qi, CAI Tongtong, ZHANG Xuehui. Study on the preparation and microstructure properties of Ni-SiO2 composite coatings by electrodeposition[J]. Nonferrous Metals Science and Engineering, 2022, 13(2): 31-37. DOI: 10.13264/j.cnki.ysjskx.2022.02.005
Citation: LI Yunlong, HAN Shichao, JIAO Yulong, XIAO Qi, CAI Tongtong, ZHANG Xuehui. Study on the preparation and microstructure properties of Ni-SiO2 composite coatings by electrodeposition[J]. Nonferrous Metals Science and Engineering, 2022, 13(2): 31-37. DOI: 10.13264/j.cnki.ysjskx.2022.02.005
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Ni-SiO2复合镀层电沉积制备及组织性能研究

Study on the preparation and microstructure properties of Ni-SiO2 composite coatings by electrodeposition

    摘要
  • 摘要: 利用直流电沉积方法在Zr-4合金表面制备了Ni-SiO2复合镀层，采用场发射扫描电镜、显微硬度计、电化学工作站、摩擦磨损试验机等研究复合镀层的表面形貌、显微硬度、耐腐蚀性及摩擦磨损性能。研究结果表明：与单一的Ni镀层相比较，Ni-SiO2复合镀层的显微硬度值有所提升，表面更为均匀，Ni-SiO2复合镀层的耐腐蚀性能和耐磨性能也得到明显提升。且当SiO2颗粒添加量为10 g/L时，复合镀层的综合性能较优。

     

    Abstract: A Ni-SiO2 composite coating was prepared on the surface of a Zr-4 alloy by a direct current electrodeposition method. The surface morphology, microhardness, corrosion behavior and wear resistance of the Ni-SiO2 composite coating were studied by field emission scanning electron microscopy, microhardness testing, electrochemical testing and friction wear testing. The results showed that the microhardness of the Ni-SiO2 composite coating was improved compared with that of the Ni coating, and its surface was more uniform and compact. The corrosion and wear resistance of the Ni-SiO2 composite coating were also significantly improved. In addition, when the additional amount of SiO2 powder was 10 g/L, the comprehensive performance of the composite coating was best.

     

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