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Book Chapter

By R.M. Kain
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003662
EISBN: 978-1-62708-182-5
... Abstract Crevice corrosion is a form of localized corrosion that affects many alloys that normally exhibit passive behavior. This article discusses the frequently used crevice corrosion testing and evaluation procedures. These procedures include specific crevice corrosion tests, multiple...
Book Chapter

By R.G. Kelly
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003613
EISBN: 978-1-62708-182-5
... Abstract Crevice corrosion involves three fundamental types of processes such as electrochemical reactions, homogeneous chemical reactions, and mass transport. This article describes the critical factors of crevice corrosion, including crevice geometry, material, environment, crevice corrosion...
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Published: 01 January 2006
Fig. 2 Mechanism of crevice corrosion at a joint. Crevice corrosion is common at weldments or sheet metal joints (a) and can occur in apparently sealed lap joints (b). More
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Published: 01 January 1990
Fig. 21 Multiple-crevice cylinders for use in crevice corrosion testing. Source: Ref 59 More
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Published: 01 January 2005
Fig. 19 Multiple-crevice cylinders for use in crevice corrosion testing. Source: Ref 47 More
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Published: 01 January 2005
Fig. 46 Effect of crevice gap and depth on the initiation of crevice corrosion in various stainless steels and alloy 625. The gaps and depths below and to the right of the curve for each material define crevice geometries where initiation of crevice corrosion is predicted by the mathematical More
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Published: 01 January 2006
Fig. 4 Mechanism of pitting corrosion. As with crevice corrosion, pitting occurs in localized areas that are depleted of oxygen, low in pH, and high in chlorides. More
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Published: 01 January 2002
Fig. 24 Crevice corrosion pitting that has taken place where type 316 bubble caps contact a type 316 stainless steel tray deck. The oxygen-concentration cell corrosion occurred in concentrated acetic acid with minimal oxidizing capacity. 1 8 actual size More
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Published: 01 January 1990
Fig. 20 Assembled crevice corrosion test specimen. Source: Ref 59 More
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Published: 01 October 2014
Fig. 16 Appearance of three specimens at the end of a weeklong crevice corrosion test in natural seawater, at room temperature, under an applied potential of 300 mV. (a) Alloy 625. Crevice formation initiated after 60 h; 3 mil crevice cut evident at end of week. Source: Ref 45 . (b More
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Published: 15 January 2021
Fig. 24 Crevice corrosion pitting that has taken place where type 316 bubble caps contact a type 316 stainless steel tray deck. The oxygen-concentration cell corrosion occurred in concentrated acetic acid with minimal oxidizing capacity. ⅛ actual size More
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Published: 01 January 2003
Fig. 1 Geometry of crevice corrosion. The average separation is the gap, g . More
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Published: 01 January 2003
Fig. 2 Crevice corrosion under seal in type 316 stainless steel sieve from steam condenser cooling water system exposed to flowing seawater for two years at less than 40 °C (104 °F). Source: Ref 56 More
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Published: 01 January 2003
Fig. 3 Crevice corrosion of type 304 stainless steel after polarization at +0.05 V(SCE) in 0.017 M NaCl. Mouth of crevice is at the bottom edge of the micrograph. The material boundary is the broken white line. Area of attack is light region above broken line. Source: Ref 4 More
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Published: 01 January 2003
Fig. 4 Example of the results of crevice corrosion. Type 304 stainless steel exposed to 6 wt.% ferric chloride for 48 h at room temperature with castellated crevice washer applied around center hole. Pitting also occurred at several sites outside the crevice. The draining of the occluded More
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Published: 01 January 2003
Fig. 6 Crevice corrosion of aluminum, alloy 2024-T3 faying surfaces after three-month exposure to simulated lap-joint solution. Exterior surfaces were painted. Source: Ref 6 More
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Published: 01 January 2003
Fig. 8 Isocritical crevice corrosion temperature curves measured with the AL-6XN (N08367) alloy in 6% ferric chloride. Source: Ref 40 More
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Published: 01 January 2003
Fig. 10 Crevice corrosion under residual slag (S) in IN-135 weld metal after bleach plant exposure. Etched with glycergia. Source: Ref 5 More
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Published: 01 January 2003
Fig. 13 Cross section of a weldment showing crevice corrosion under weld spatter. Oxides (light gray) have formed on the spatter and in the crevice between spatter and base metal. More
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Published: 01 January 2003
Fig. 11 Comparison of crevice corrosion propagation currents for UNS S31603 stainless steel remote crevice assemblies after normalizing initiation times. Source: Ref 2 More