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Mechanisms of Pitting Corrosion
2011Pitting corrosion occurs at passivated metal surfaces during the access of so-called aggressive anions. Halides very effectively attack passivating thin oxide layers, leading to an intense localized dissolution of the metal surface, which is otherwise protected by the passive layer against general dissolution. Chlorides cause the most serious problems
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2018
When a macrocell is formed in a corrosion process, an electrical field is established in the environment because a net current flows from the anode to the cathode, which are physically separated. This situation occurs in galvanic corrosion, differential aeration, localized attacks such as pitting and crevice, and cathodic protection.
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When a macrocell is formed in a corrosion process, an electrical field is established in the environment because a net current flows from the anode to the cathode, which are physically separated. This situation occurs in galvanic corrosion, differential aeration, localized attacks such as pitting and crevice, and cathodic protection.
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The corrosion characteristics and mechanism of directionally solidified Mg-3Zn-xCa alloys
Journal of Magnesium and Alloys, 2023Xiaohui Feng, Qiuyan Huang, Yingju Li
exaly
Mechanically Assisted Corrosion
2009In the previous chapter we discussed two forms of localized corrosion – crevice corrosion and pitting. This chapter considers five more forms of localized corrosion, and these have the added common feature that they are assisted by mechanical processes.
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The Electrolytic Mechanism of Corrosion
2003In this chapter, we shall verify the supposition that corrosion proceeds by the superposition of kinetically independent electrode half-reactions: anodic metal dissolution and cathodic reduction of an oxidizing species, such as hydrogen ions, or oxygen molecules, or others.
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Corrosive-Mechanical Interactions
1993A synergistic interaction exists between corrosion and stress. The stresses may be applied directly through the metal as tension, torsion, or compression, or they may be applied to the metal surface through the environment, such as occurs with high-velocity liquids and impingement by suspended solids.
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Journal of The Electrochemical Society, 1964
M. C. Bloom, G. N. Newport, W. A. Fraser
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M. C. Bloom, G. N. Newport, W. A. Fraser
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