...
首页> 外文期刊>Advanced Science Letters >Influence of Metallic Complexes on Electrodeposition Process of Zn-Fe Alloy Coatings
【24h】

Influence of Metallic Complexes on Electrodeposition Process of Zn-Fe Alloy Coatings

机译:金属配合物对锌铁合金镀层电沉积过程的影响

获取原文
获取原文并翻译 | 示例
   

获取外文期刊封面封底 >>

       

摘要

Electrodeposited Zn-Fe alloy coating has good anti-corrosion performance and has been widely applied to protect steel materials from corrosion. Metallic complexes in plating bath play important role during alloy electrodeposition. In this paper, Zn-Fe alloy coatings were plated from acidic sulphate bath, and the relationship between real concentration of metallic complexes ([ZnL~+] and [FeL~+]) in the bath and component of alloy coating was studied. Concentration of metallic complexes was calculated through solving nonlinear equations by MET-LAB software. When ZnSO_4·7H_2O added in plating bath increases from 10 g/L to 50 g/L, the ratio of ferrous complex to total complex decreases from 81.96% to 46.76%, simultaneously the iron content in Zn-Fe alloy coatings decreases from 26.82% to 6.32%. When ZnSO_4·7H_2O added in the bath increases from 40 g/L to 80 g/L, the ratio of ferrous complex to total complex increases from 50.02% to 66.23%, simultaneously the iron content in coatings increases from 8.26% to 13.77%. When (NH_4)_2SO_4 added in the bath increases from 40 g/L to 80 g/L, ratio of ferrous complex to total complex increases from 58.65% to 60.37%, simultaneously the iron content in coating increases from 9.28% to 11.92%. The results show that, in the process of alloy deposition, variation of concentration ratio of different metallic complexes in the bath can lead to variation of component of alloy coating proportionally. Accordingly, the variation trend of component of alloy coating can be approximately deduced by calculating concentration of metallic complexes.
机译:电镀锌铁合金镀层具有良好的抗腐蚀性能,已被广泛用于保护钢材不受腐蚀。电镀液中的金属络合物在合金电沉积过程中起重要作用。本文从酸性硫酸盐浴中镀锌锌铁合金镀层,研究了镀液中金属配合物([ZnL〜+]和[FeL〜+])的实际浓度与合金镀层成分之间的关​​系。通过使用MET-LAB软件求解非线性方程来计算金属配合物的浓度。当电镀液中添加的ZnSO_4·7H_2O从10 g / L增加至50 g / L时,亚铁配合物与总配合物的比例从81.96%降至46.76%,同时Zn-Fe合金涂层中的铁含量也从26.82%降低。至6.32%。当镀液中添加的ZnSO_4·7H_2O从40 g / L增加到80 g / L时,亚铁配合物与总配合物的比例从50.02%增加到66.23%,同时涂层中的铁含量也从8.26%增加到13.77%。当浴中添加的(NH_4)_2SO_4从40 g / L增加到80 g / L时,亚铁配合物与总配合物的比例从58.65%增加到60.37%,同时涂层中的铁含量也从9.28%增加到11.92%。结果表明,在合金沉积过程中,镀液中不同金属配合物的浓度比变化会导致合金涂层成分成比例变化。因此,可以通过计算金属络合物的浓度来近似推导合金涂层成分的变化趋势。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号