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Abstract The reaction current density on the surface of scratched stainless steel in chloride solution was studied as a function of applied potential. There is a linear relationship between log i and potential E with a slope of about hundreds of millivolts. This rule is followed not only by the stainless steel/electrolyte system studied in this work, but also by other alloy/environment systems. The detailed discussion shows that the ohmic resistance, diffusion and the oxide ifilm formed during generation of fresh metal surface, can not account for the apparent slow current density increase with applied potential. It has been shown, however, that such large slope arises mainly from adsorption of anions on the bare metal surface.
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Received: 25 February 1987
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Cite this article:
Zhu Yingyang Wang Kuang Zhu Rizhang Zhang Wenqi (Beijing University of Iron and Steel Technology). THE RELATIONSHIP BETWEEN MAXIMUM CURRENT DENSITY ON BARE METAL SURFACE AND APPLIED POTENTIAL. J Chin Soc Corr Pro, 1987, 7(1): 35-40.
URL:
https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1987/V7/I1/35
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