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    田海燕, 朱荻, 曲宁松, 朱增伟. 电泳-电沉积制备纳米Al2O3增强镍基复合镀层中纳米颗粒的分布状态[J]. 机械工程材料, 2009, 33(6): 14-17.
    引用本文: 田海燕, 朱荻, 曲宁松, 朱增伟. 电泳-电沉积制备纳米Al2O3增强镍基复合镀层中纳米颗粒的分布状态[J]. 机械工程材料, 2009, 33(6): 14-17.
    shu
    TIAN Hai-yan, ZHU Di, QU Ning-song, ZHU Zeng-wei. Distribution of Nano-particles in Nano-Al2O3/Ni Composite Coatings Prepared by Electrophoretic-electrochemical Deposition[J]. Materials and Mechanical Engineering, 2009, 33(6): 14-17.
    Citation: TIAN Hai-yan, ZHU Di, QU Ning-song, ZHU Zeng-wei. Distribution of Nano-particles in Nano-Al2O3/Ni Composite Coatings Prepared by Electrophoretic-electrochemical Deposition[J]. Materials and Mechanical Engineering, 2009, 33(6): 14-17.
    shu

    电泳-电沉积制备纳米Al2O3增强镍基复合镀层中纳米颗粒的分布状态

    Distribution of Nano-particles in Nano-Al2O3/Ni Composite Coatings Prepared by Electrophoretic-electrochemical Deposition

      摘要
    • 摘要: 采用电泳-电沉积技术制备了纳米Al2O3增强镍基复合镀层,并采用扫描电镜及其附带能谱仪分析了镀层中纳米颗粒的分布状态,运用正交试验法研究了电泳液中纳米颗粒含量、电泳沉积电压、电泳沉积时间以及电沉积阴极电流密度等工艺参数对复合镀层中纳米颗粒分布均匀性的影响.结果表明:电泳液中纳米颗粒含量及电沉积阴极电流密度是影响镀层中纳米颗粒分布均匀性的主要因素,而电泳沉积电压和电泳沉积时间的影响相对较小;在电泳液中Al2O3纳米颗粒含量为8 g·L-1、电沉积阴极电流密度为0.5 A·dm-2时,可制得纳米颗粒均匀分布的纳米复合镀层.

       

      Abstract: nano-Al2O3/Ni composite coatings were prepared by electrophoretic-electrochemical deposition method.The distribution of Al2O3 nano-particles in the coatings was studied by means of SEM and its attached EDS.The influence of parameters such as particle concentration in electrophoretic bath,voltage and time of electrophoretic deposition and current density of electrodeposition on the particles distribution uniformity was investigated using the orthogonal test.The results show that the particle concentration in electrophoretic bath and current density of electrodeposition were the main influence factors on the particles distribution uniformity of the nano-composite coatings.And voltage and time of electrophoretic deposition were the minor factors.When the particles concentration was 8 g·L-1 and the current density of eletrodepsotion was 0.5 A·dm-2,Al2O3 nano-particles dispersed uniformly in the prepared nano-composite coatings.

       

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