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中国腐蚀与防护学报  2001, Vol. 21 Issue (5): 280-285     
  研究报告 本期目录 | 过刊浏览 |
Zn-Fe-P合金共沉积行为研究
王建明;张昭;张鉴清
浙江大学玉泉求是村留博楼2005#
STUDY ON THE BEHAVIOR OF ELECTROPLATING Zn-Fe-P ALLOY
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浙江大学玉泉求是村留博楼2005#
全文: PDF(148 KB)  
摘要: 采用H3PO3作为磷源制备Zn-Fe-P合金镀层,发现Zn-Fe- P合金镀层中Fe、P含量存在着同步效应.采用循环伏安法研究了合金镀液中Fe2+和H 3PO3的阴极电化学行为,发现镀液中的Fe2+和H3PO3彼此促进了对方的还原 反应,并从量子化学的角度对镀层中Fe、P含量的这种同步效应进行了初步的理论探讨.结 果表明,由于铁的4S轨道半径小于锌的4S轨道半径,从而导致了铁的4S空价轨道与磷的3P空 价轨道的重叠积分SFe-P大于锌的4S空价轨道与磷的3P空价轨道的重叠积分SZn-P ,于是产生了镀层中Fe、P含量的同步效应.研究还表明,铁族金属中Co、Ni与P的相互作 用关系类似于Fe与P的相互作用关系.
关键词 Zn-Fe-P合金电镀同步效应量子化学    
Abstract:A new formula containing H3PO3 as phosphorus so urce of Zn-Fe-P electrodeposits was reported.The results showed that the content s of the phosphorus and the iron in the electrodeposits change synchronously.The electrochemical behavior of H3PO3 and Fe2+ in the electroplating solu tion has been investigated by cyclic voltammetry, it was shown that they promote s the reduction of each other and which has been studied in the view of quantum chemistry firstly.The theoretical results showed that, because the orbit radius of 4s of Fe is shorter than that of Zn, the overlapping integral of iron and pho sphorus(sFe-P) is smaller than that of zinc and phosphorus(sZn-P) wh ich results in the synchronous variation of the contents of the phosphorus and t he iron in the electrodeposits, and which also showed that the cooperative effec t of phosphorus and iron series metal.
Key wordsZn-Fe-P alloy    electroplating behavior    quantum chemistr y
收稿日期: 2000-08-02     
ZTFLH:  O646.6  
通讯作者: 张昭   

引用本文:

王建明; 张昭; 张鉴清 . Zn-Fe-P合金共沉积行为研究[J]. 中国腐蚀与防护学报, 2001, 21(5): 280-285 .

链接本文:

https://www.jcscp.org/CN/Y2001/V21/I5/280

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