| 脉冲电沉积TiO_2/Zn纳米复合镀层的制备与性能 |
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| 引用本文： | 高正宏,孙晓军,李建功.脉冲电沉积TiO_2/Zn纳米复合镀层的制备与性能[J].电镀与涂饰,2008(11). |
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| 作者姓名： | 高正宏 孙晓军 李建功 |
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| 作者单位： | 1. 兰州大学材料科学与工程研究所,甘肃,兰州,730000
2. 兰州大学材料科学与工程研究所,甘肃,兰州,730000;中国科学院兰州化学物理研究所固体润滑国家重点实验室,甘肃,兰州,730000 |
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| 摘 要： | 采用脉冲电沉积法,在紫铜基体上制备了TiO2/Zn纳米复合镀层.考察了脉冲电流密度对复合镀层中TiO2质量分数的影响,分析了复合镀层的力学性能和摩擦学性能.结果表明:当脉冲电流密度达到2.5 A/cm2时,纳米复合镀层中TiO2的质量分数最大;当复合镀层中的TiO2质量分数在1.8%～2.8%范围内变化时,随着TiO2质量分数的增加,镀层的显微硬度增大,摩擦因数减小,耐磨性增强.
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| 关 键 词： | 紫铜 锌 二氧化钛 纳米复合镀层 脉冲电沉积 显微硬度 摩擦学 |
Preparation and properties of pulse-electrodeposited titania/zinc nanocomposite coating |
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| GAO Zheng-hong,SUN Xiao-jun,LI Jian-gong.Preparation and properties of pulse-electrodeposited titania/zinc nanocomposite coating[J].Electroplating & Finishing,2008(11). |
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| Authors: | GAO Zheng-hong SUN Xiao-jun LI Jian-gong |
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| Affiliation: | GAO Zheng-hong,SUN Xiao-jun,LI Jian-gong Institute of Materials Science , Engineering,Lanzhou University,Lanzhou 730000,China |
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| Abstract: | A TiO2/Zn nanocomposite coating was prepared on red Cu substrate by pulse electrodeposition. The effect of pulse current density on mass fraction of TiO2 in the coating was studied. The mechanical and tribological properties of the coating were analyzed. The results showed that the mass fraction of TiO2 in the coating reaches the maximum at pulse current density of 2.5 A/cm2. The increase of TiO2 mass fraction from 1.8% to 2.8% increases the microhardness,decreases the friction factor,and improves the wear ... |
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| Keywords: | red copper zinc titania nanocomposite coating pulse electrodeposition microhardness tribology |
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