Affiliation:
1. Harbin Institute of Technology
2. Harbin Institute of Large Electrical
Abstract
Synergistic inhibition effect of sodium oleate and sodium vanadate on the corrosion of pure aluminum in NaCl solution has been investigated by open circuit potential, potentiodynamic polarization curve, and electrochemical impedance spectroscopy(EIS). Experiment results show that the pure aluminum has the lowest corrosion current density under the optimum technological conditions at room temperature, which can be expressed as follows: the 3.5wt.% NaCl solution contains two inhibitors of sodium oleate and sodium vanadium, and their mole concentration ratio is 1:2, solution pH value is 8.0~8.5. In addition, these two inhibitors have played the major role of corrosion inhibition at different stage respectively, which can be attributed to the formation of continuous phase on the surface of pure aluminum.
Publisher
Trans Tech Publications, Ltd.
Reference14 articles.
1. ALBERT J M, ANIBU K, GANESAN M, et al. Characterisation ofdifferent grades of commercially pure aluminium as prospective galvanic anodes in saline and alkaline battery electrolyte[J]. J Applied Electrochemical, 1989, 19: 547-551.
2. Roger A P. The Aminum/Air Battery[J]. Light Metal Age, 2000, 8(3-4): 108-110.
3. Badawy W A, Alkharafi F M, Llarab A S. Inhibition of Contusion of Al, Al-b061 and Al-Cu in Neutral Solution [J]. Nullelin of Electrochemistry, 1997, 13(5): 193.
4. Lyberatos G, Kobotialis L. The Inhibition of Aluminium Alloy [J] . Corrosion. 1991. 47(ll): 820.
5. A. Tizpar, Z. Ghasemi, The corrosion inhibition and gas evolution studies of some surfactants and citric acid on lead alloy in 12. 5 M H2SO4 solution, Appl. Surf. Sci. 252 (2006) 8630-8634.
Cited by
3 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献