THE INHOMOGENEITY OF CORROSION POTENTIALS DISTRIBUTION WITH RUST PREVENTIVE OIL FILM

J Chin Soc Corr Pro

2001, Vol. 21

Issue (4): 206-209 DOI:

Research Report

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THE INHOMOGENEITY OF CORROSION POTENTIALS DISTRIBUTION WITH RUST PREVENTIVE OIL FILM

Qingdong Zhong;Qiaomin Xie;Guoding Zhou

上海市上海电力学院电化学室

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Abstract Theoretical analysis of inhomogeneity of corrosion poten tials with rust preventive oil film and conformity to discontinuous binomial dis t ribution is described.This paper is on the basis of Bailey and Ritchie's general electrochemical theory for the oxidation of metals.In general electrochemical t heory,oxidizing metal is viewed as a self-driving electrochemical cell in which the oxide acts as both ionic and electronic conductor.It is pointed out that the ory analysis results are coincident with experimental measurements.There exist t w o kinds of film in the rust preventive oil film,ionic film and electronic film,w hich lead to inhomogeneous corrosion potentials distribution on metal surface an d discontinuous binomial distribution.

Key words: rust preventive oil film corrosion potential inhomogen eity wire beam electrode

Received: 11 May 2000

ZTFLH:

TG174.41

Corresponding Authors: Qingdong Zhong

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Qingdong Zhong; Qiaomin Xie; Guoding Zhou. THE INHOMOGENEITY OF CORROSION POTENTIALS DISTRIBUTION WITH RUST PREVENTIVE OIL FILM. J Chin Soc Corr Pro, 2001, 21(4): 206-209 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2001/V21/I4/206

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