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Electrochemical nucleation and growth of Sn onto double reduction steel substrate from a stannous fluoborate acid bath
X. Q. Huang; Y. Chen; J. Q. Zhou; Z. Zhang; J. Q. Zhang
2013
Source PublicationJournal of Electroanalytical Chemistry
ISSN1572-6657
Volume709Pages:83-92
AbstractCyclic voltammetry (CV), chronoamperometry (CHR) in conjunction with scanning electron microscopy (SEM) technique have been performed to study the electrodeposition behavior of tin onto double reduction steel substrate from a stannous fluoborate acid bath. Results show that, under the experimental conditions, the initial reduction process of tin is controlled by diffusion and follows the three-dimensional (3D) nucleation and subsequent grain growth mechanism. With the increase of the applied cathodic overpotentials, the nucleation type of tin changes from progressive mechanism to instantaneous mechanism. When the deposition overpotential is high, the electrode surface is fully covered with tin deposits in short times that the current-time transient is composed of the tin nucleation current and the current attributed to proton reduction on the tin growth centers while the current due to proton reduction on the steel surface should be considered as well at low deposition overpotentials. Results also reveal that both the tin nucleation and proton reduction rate constant increase with increasing the cathodic overpotentials, and the proton reduction rate constant on the steel substrate surface is larger than that on the tin growth centers. The diffusion coefficient of tin species is found to be 1.24E-5 cm(2) s(-1). (C) 2013 Elsevier B.V. All rights reserved.
description.department[huang, xianqiu ; chen, yu ; zhang, zhao ; zhang, jianqing] zhejiang univ, dept chem, hangzhou 310027, zhejiang, peoples r china. [huang, xianqiu] wuhan iron & steel co, res inst, wuhan 430080, peoples r china. [zhang, jianqing] state key lab corros & protect, shenyang 110015, peoples r china. ; chen, y (reprint author), zhejiang univ, dept chem, yu quan campus, hangzhou 310027, zhejiang, peoples r china. ; eaglezzy@zjuem.zju.edu.cn
KeywordTin Double Reduction Steel Nucleation Diffusion-controlled Growth X-ray-microanalysis Low-carbon Steel Cobalt Electrodeposition Vitreous Carbon Gold Electrode Tin Mechanisms Microstructure Deposition
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72357
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
X. Q. Huang,Y. Chen,J. Q. Zhou,et al. Electrochemical nucleation and growth of Sn onto double reduction steel substrate from a stannous fluoborate acid bath[J]. Journal of Electroanalytical Chemistry,2013,709:83-92.
APA X. Q. Huang,Y. Chen,J. Q. Zhou,Z. Zhang,&J. Q. Zhang.(2013).Electrochemical nucleation and growth of Sn onto double reduction steel substrate from a stannous fluoborate acid bath.Journal of Electroanalytical Chemistry,709,83-92.
MLA X. Q. Huang,et al."Electrochemical nucleation and growth of Sn onto double reduction steel substrate from a stannous fluoborate acid bath".Journal of Electroanalytical Chemistry 709(2013):83-92.
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