董鹏,张英杰,范云鹰.电沉积Zn-Ni合金镀层的阴极极化[J].表面技术,2007,36(3):10-11,19.
DONG Peng,ZHANG Ying-jie,FAN Yun-ying.The Cathodic Polarization of Electrodepositing Zn-Ni Alloy Coatings[J].Surface Technology,2007,36(3):10-11,19 |
| 电沉积Zn-Ni合金镀层的阴极极化 |
| The Cathodic Polarization of Electrodepositing Zn-Ni Alloy Coatings |
| 投稿时间：2006-11-11 修订日期：2007-06-10 |
| DOI： |
| 中文关键词: 电沉积 阴极极化 合金镀层 锌镍合金 添加剂 |
| 英文关键词:Electrodeposition Cathodic polarization Alloy coatings Zn-Ni alloy Additive |
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| 中文摘要: |
| 为了研究Zn-Ni合金镀层的电沉积机理，采用三电极体系下的动电位法测定了电沉积Zn-Ni合金镀层的阴极极化曲线，并研究了添加剂浓度对阴极极化的影响。结果表明：添加剂DZN的最佳用量是15mUL。当电流密度在0.32 - 20A/dm2区间时，Zn-Ni合金镀层的沉积属于异常共沉积，添加剂通过复配，效果好于单独添加，这是由于DZN型添加剂具有良好的选择性吸附作用。 |
| 英文摘要: |
| In order to study the mechanism of electrodepositing Zn-Ni alloy coatings , the curve of cathodic polarization of electrodepositing Zn-Ni alloy coatings was determined by changing potential in the system of three electrodes, and the influence of concentration of additive on the cathodic polarization was studied. The results show that the optimum addition of DZN additive is 15 mL/L. Zn-Ni alloy coatings-codeposition belongs to abnormal codeposition when the current density is between 0. 32A/dm2 and 20A/dm2. The effect of combination of additive is better than single addition , as a result of satisfactory selective adsorption of DZN additive. |
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