| 电流特性和纳米颗粒对电刷镀复合镀层耐腐蚀性能的影响 |
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| 引用本文： | 郭文才,谭俊,苏强,周亮.电流特性和纳米颗粒对电刷镀复合镀层耐腐蚀性能的影响[J].表面技术,2008,37(4):26-28. |
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| 作者姓名： | 郭文才 谭俊 苏强 周亮 |
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| 作者单位： | 驻重庆北碚区军代室,重庆,400700;装备再制造技术国防科技重点实验室,北京,100072;驻长沙地区军代室,湖南,长沙,410014 |
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| 基金项目： | 国家自然科学基金重点项目
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装备再制造技术国防科技重点实验室基金项目 |
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| 摘 要： | 为获得性能优良的镀层,利用不同的电沉积方法(直流、脉冲电流及脉冲换向电流)制得了Ni、Ni/n-SiO2和Ni/n-Al2O3复合镀层,分别对其表面形貌(SEM)进行了观测和分析,测试了镀层的孔隙率,并通过海水浸泡方法检测其耐腐蚀性能.比较测试结果后发现:电流特性和纳米颗粒对电刷镀复合镀层的耐腐蚀性能均有影响,采用脉冲换向电流沉积得到的Ni/n-SiO2复合镀层具有致密精细的表面形貌、较小的孔隙率和较好的耐腐蚀性能.
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| 关 键 词： | 直流 脉冲 脉冲换向 电刷镀 纳米复合镀层 |
| 收稿时间： | 2008/3/20 0:00:00 |
| 修稿时间： | 2008/8/10 0:00:00 |
Effect of Current Characteristic and Nano Powders on the Corrosion Resistance of Composite oatings by Brush-plating |
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| GUO Wen-cai,TAN Jun,SU Qiang and ZHOU liang.Effect of Current Characteristic and Nano Powders on the Corrosion Resistance of Composite oatings by Brush-plating[J].Surface Technology,2008,37(4):26-28. |
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| Authors: | GUO Wen-cai TAN Jun SU Qiang and ZHOU liang |
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| Affiliation: | Beibei Military Representive Office, Chongqing 400700, China,National Key Laboratory for Remanufacturing, Beijing 100072, China,Beibei Military Representive Office, Chongqing 400700, China and Changsha Military Representive Office, Changsha 410014, China |
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| Abstract: | For getting coatings with better corrosion resistance, the Ni/n,-Si02 and Ni/n,-Al203 coatings were preaped by different currents ( direct current, pulse current and pulse-reverse current) . Morphology, porosity and the corrosion resistance were tested respectively. The comparison of the results show that both current and nano powders can affect the corrosion resistance of composite coatings, the Ni/n-Si02 coating by pulse-reverse electro-plating has better advantages in the performance of morphology, porosity and corrosion resistance. |
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| Keywords: | Direct current ( DC ) Pulse current ( PC ) Pulse-reverse current ( RC ) Electro brush-plating Nano composite coating |
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