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Metallography of pitting corrosion
Materials Characterization, 1992Abstract Following a brief description of the history of studies of pitting corrosion, a classification scheme is proposed that considers the typical constraints that can be imposed on localized dissolution phenomena. Recent light and electron metallographic studies on a range of austenitic stainless steels have permitted an appreciation for the role
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Corrosion Science, 1999
This review describes the experiments performed during the last few decades which enhance knowledge of the pitting of aluminum. Specifically, metastable and stable pits, pit chemistry and the effect of intermetallics on pitting are discussed. The properties of metastable alloys and inhibition of Al are also discussed.
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This review describes the experiments performed during the last few decades which enhance knowledge of the pitting of aluminum. Specifically, metastable and stable pits, pit chemistry and the effect of intermetallics on pitting are discussed. The properties of metastable alloys and inhibition of Al are also discussed.
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Corrosion Engineering, Science and Technology, 2004
AbstractCorrosion of metals and alloys by pitting constitutes one of the very major failure mechanisms. Pits cause failure through perforation and engender stress corrosion cracks. Pitting is a failure mode common to very many metals. It is generally associated with particular anions in solution, notably the chloride ion. The origin of pitting is small.
G. T. Burstein +3 more
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AbstractCorrosion of metals and alloys by pitting constitutes one of the very major failure mechanisms. Pits cause failure through perforation and engender stress corrosion cracks. Pitting is a failure mode common to very many metals. It is generally associated with particular anions in solution, notably the chloride ion. The origin of pitting is small.
G. T. Burstein +3 more
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Inhibition of Pitting Corrosion
CORROSION 1989, 1989Abstract The present state of knowledge in the field of inhibition of pitting is critically assessed and illustrated by selected examples taken from world literature and personal experience. Especial attention is paid to the following two decisive factors: -passivity, which is responsible for pitting (crevice) corrosion when locally ...
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Journal of The Electrochemical Society, 1994
The breakdown of native and anodically grown oxide films on Ti electrodes is investigated by scanning electrochemical microscopy (SECM), video microscopy, transmission electron microscopy, and voltammetry. SECM is used to demonstrated that the oxidation of Br[sup [minus]] on Ti occurs at microscopic surface sites (10 to 50 [mu]m diam, 30 sites/cm[sup 2]
Norberto Casillas +3 more
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The breakdown of native and anodically grown oxide films on Ti electrodes is investigated by scanning electrochemical microscopy (SECM), video microscopy, transmission electron microscopy, and voltammetry. SECM is used to demonstrated that the oxidation of Br[sup [minus]] on Ti occurs at microscopic surface sites (10 to 50 [mu]m diam, 30 sites/cm[sup 2]
Norberto Casillas +3 more
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British Corrosion Journal, 1972
AbstractA short, historical account is given of the occurrence and theory of the pitting corrosion of titanium.
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AbstractA short, historical account is given of the occurrence and theory of the pitting corrosion of titanium.
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The initiation of pitting corrosion at MnS inclusions
Corrosion Science, 1993Abstract The dissolution of MnS inclusions in stainless steel exposed in 0.5 M NaCl + 0.5 M H 2 SO 4 + 0.08% H 2 O 2 at the free corrosion potential for 10 s has been studied using simultaneous Auger/EDX analysis and imaging and electron microscopy. Inclusions at different stages of dissolution have been examined.
BAKER, MA, CASTLE, JE
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1999
Abstract Pitting is the most common corrosion attack on aluminum alloy products. This chapter explains why pitting occurs and how it appears in different types of aluminum. It discusses pitting rates, pitting potentials, and pitting resistance as well as testing and prevention methods.
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Abstract Pitting is the most common corrosion attack on aluminum alloy products. This chapter explains why pitting occurs and how it appears in different types of aluminum. It discusses pitting rates, pitting potentials, and pitting resistance as well as testing and prevention methods.
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2009
Passive films, which were studied in the previous chapter, are remarkable in their ability to provide corrosion protection to a wide variety of metals and alloys. However, passive films are not perfect and often suffer localized breakdown at certain specific areas.
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Passive films, which were studied in the previous chapter, are remarkable in their ability to provide corrosion protection to a wide variety of metals and alloys. However, passive films are not perfect and often suffer localized breakdown at certain specific areas.
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