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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 6    No. 4    December 1996

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ELECTROPLATING OF AMORPHOUS Al-Mn ALLOYS
(Ⅰ) KINETIC FEATURES OF ELECTRODEPOSITION OF PURE Al
Zhao Guangwen, Zhu Teng, Liu Lianyu

Department ofPhysicochemistry,University of Science and Technology Beijing, Beijing100083

Abstract:It is shown by cyclic voltammmetry and potentiostatic determination that, charge transfer in the electrodeposition of Al on Mo from AlCl3-NaCl-KCl melt is reversible; the diffusion coefficient of Al2Cl7- ions is quite small, and so are the nucleation rates and the saturated nucleus number densities, suggesting that by ordinary DC electroplating it is impossible to get high quality electroplates of pure Al with fine grains from this melt.

 

Key words: electroplating AlCl3-NaCl-KCl melt electrodeposition pure Al

ISSN 1672-7029
CN 43-1423/U

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