| 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 |
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| 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) |
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| 作者姓名： | 田海燕 朱荻 曲宁松 朱增伟 |
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| 作者单位： | 南京航空航天大学,江苏省精密与微细制造技术重点实验室,江苏南京,210016;南京航空航天大学,江苏省精密与微细制造技术重点实验室,江苏南京,210016;南京航空航天大学,江苏省精密与微细制造技术重点实验室,江苏南京,210016;南京航空航天大学,江苏省精密与微细制造技术重点实验室,江苏南京,210016 |
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| 基金项目： | 江苏省自然科学基金重点资助项目，教育部博士点基金资助项目 |
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| 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A12O3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.
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| 关 键 词： | 纳米复合镀层 电泳沉积 电沉积 分布均匀性 |
Distribution of Nano-particles in Nano-Al_2O_3/Ni Composite Coatings Prepared by Electrophoretic-electrochemical Deposition |
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| TIAN Hai-yan,ZHU Di,QU Ning-song,ZHU Zeng-wei. Distribution of Nano-particles in Nano-Al_2O_3/Ni Composite Coatings Prepared by Electrophoretic-electrochemical Deposition[J]. Materials For Mechanical Engineering, 2009, 33(6) |
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| Authors: | TIAN Hai-yan ZHU Di QU Ning-song ZHU Zeng-wei |
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| Affiliation: | Nanjing University of Aeronautics and Astronautics;Nanjing 210016;China |
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| 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... |
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| Keywords: | nano-composite coating electrophoretic deposition electrodeposition distribution uniformity |
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