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J Chin Soc Corr Pro  1992, Vol. 12 Issue (2): 169-172    DOI:
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AN INVESTIGATION ON PASSIVATION PROCESSES AND ESSENTIAL ASPECT OF PASSIVITY OF TITANIUM WITH SPECTROELECTROCHEMICAL METHODS
Huang Zongqing (Corrosion Science Laboratory; Chinese Academy of Sciences) Zhang Shengtao (Chongqing University)
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Abstract  The effect of molybdate on titanium anodization processes and the essential aspect of passivity of Ti anodized in aulfuric acid is studied with spectro-electrochemical methods. The results indicate that the molybdate could enhance the corrosion resistance of Ti not only by formation of compact surface film of oxides, but also by the adsorption of molybdate inside the pores of oxides to prevent the corrosive anions approaching Ti substrate and the Ti ions of substrate passing out of the films. The ellipsometric spectroscopy is useful for studying the adsorption phenomenon accompanied with the formation of the passive films on surface.
Received:  25 April 1992     
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Huang Zongqing (Corrosion Science Laboratory; Chinese Academy of Sciences) Zhang Shengtao (Chongqing University). AN INVESTIGATION ON PASSIVATION PROCESSES AND ESSENTIAL ASPECT OF PASSIVITY OF TITANIUM WITH SPECTROELECTROCHEMICAL METHODS. J Chin Soc Corr Pro, 1992, 12(2): 169-172.

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https://www.jcscp.org/EN/     OR     https://www.jcscp.org/EN/Y1992/V12/I2/169

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