| 光亮碱性Zn-Al合金电镀工艺研究 |
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| 引用本文： | 肖鑫,龙有前,钟萍,吴靓.光亮碱性Zn-Al合金电镀工艺研究[J].腐蚀与防护,2005,26(11):480-482,496. |
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| 作者姓名： | 肖鑫 龙有前 钟萍 吴靓 |
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| 作者单位： | 湖南工程学院化学化工系,湘潭,411104 |
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| 摘 要： | 在碱性锌酸盐镀锌液中加入铝盐，研究成功了一种光亮碱性锌铝合金电镀工艺。采用霍尔槽试验探讨了镀液成分和工艺条件对镀层质量的影响，检测了镀液和镀层性能。研究结果表明：镀液阴极电流效率达到80%以上，镀液分散能力和复盖能力好，镀层中铝含量为1．5％左右，所形成的Zn-Al合金镀层结晶细致、光亮度好、结合力好、耐蚀性优良，适用于作高耐蚀性镀层。
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| 关 键 词： | 锌铝合金电镀 碱性 霍尔槽试验 性能检测 耐蚀性 |
| 文章编号： | 1005-748X（2005）11-0480-03 |
| 收稿时间： | 2005-01-06 |
| 修稿时间： | 2005-01-06 |
BRIGHT ALKALINE ELECTROPLATING TECHNOLOGY OF Zn-Al ALLOY |
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| XIAO Xin,LONG You-qian,ZHONG Ping,WU Liang.BRIGHT ALKALINE ELECTROPLATING TECHNOLOGY OF Zn-Al ALLOY[J].Corrosion & Protection,2005,26(11):480-482,496. |
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| Authors: | XIAO Xin LONG You-qian ZHONG Ping WU Liang |
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| Affiliation: | Dept. of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China |
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| Abstract: | An alkaline Zn-Al alloy electroplating technology was developed, Hull cell tests were performed to ascertain the best concentrations of brightening additive such as sodium hydroxide, zinc oxide, and aluminum hydroxide and the effect of temperature. The characters of the bath and coating were studied. Cathodic current efficiency of the bath was high and could reach 80%. The throwing power, and covering power of the bath were all excellent. The adhesion of the Zn-Al alloy coating was good. The content of Al in the coating was 1.51% and it was useful to enhance the corrosion resistance of the coating. |
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| Keywords: | Zn-Al alloy electroplating Akaline Hull Cell test Corrosion resistance |
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