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anodic corrosion

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Published: 01 January 2002
Fig. 2 Schematic diagram of a generic corrosion cell showing anodic oxidation of the metal ( M ) complemented by cathodic reduction of an electron acceptor ( X ). The corrosion rate can be controlled by the rate of arrival of X at the cathodic surface, a buildup of metal ions, M More
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Published: 01 January 2003
Fig. 1 Schematic presentation of corrosion metal cell formed by anodic (A) and cathodic (C) sites. The A sites (M e 2 ) have a more negative potential ( E ) relative to that of the C sites (M e 1 ). More
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Published: 01 January 1994
Fig. 4 Tafel plot to determine corrosion current density. β A and β C , anodic and cathodic Tafel coefficients; j , applied current density; j corr , corrosion current density E , potential; E corr , corrosion potential More
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003677
EISBN: 978-1-62708-182-5
... alloys. The article also illustrates the effects of alloying on active anodic corrosion of titanium and repassivation behavior of titanium and titanium-base alloys. titanium oxide film titanium oxide depassivation scratching abrading fretting titanium alloys hexagonal close-packed beta...
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Published: 01 January 1994
Fig. 1 Schematic illustration of corrosion of coating substrate systems in the presence of pores. M, metal. (a) More noble coating on less noble substrate (galvanic corrosion). Increased corrosion of substrate material, small anodic area, large cathodic area. (b) Less noble coating on more More
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Published: 01 January 2003
Fig. 15 Corrosion of aluminum anodes. (a) Uneven corrosion of aluminum anode, the result in part of improper foundry practice leading to segregation of alloying elements. (b) Uniform corrosion of aluminum anode as the result of proper foundry practice. Courtesy of Jack Smart, John S. Smart More
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Published: 15 June 2019
Fig. 25 Number of corrosion pits in anodized aluminum 1100 as a function of coating thickness. Source: Ref 120 More
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Published: 01 January 2003
Fig. 20 Corrosion of zinc anodes that were galvanically connected to type 304 stainless steel for four years at six different underground test sites. Courtesy of E. Escalante, National Bureau of Standards Site Soil Location Internal drainage Range of resistivity, Ω · cm pH More
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Published: 01 January 2003
Fig. 3 A small anode/large cathode situation that can exist at a local corrosion site. A a and A c are the available anode and cathode areas; M n + is the corrosion product More
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Published: 01 January 2003
Fig. 8 Schematic showing zinc dissolution due to local corrosion of a zinc anode in a zinc-carbon battery. Source: Ref 2 More
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Published: 01 January 2003
Fig. 20 Corrosion currents for galvanic couples of UNS C1100 copper anodes versus UNS N08367 stainless steel cathodes with and without (control) the influence of natural marine microbial biofilms. Source: Ref 58 More
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Published: 01 January 2003
Fig. 21 Corrosion currents for galvanic couples of UNS A93003 aluminum alloy anodes versus UNS N08367 stainless steel cathodes with and without (control) the influence of natural marine microbial biofilms. Source: Ref 58 More
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Published: 01 January 2005
Fig. 24 Number of corrosion pits in anodized aluminum 1100 as a function of coating thickness. Source: Ref 124 More
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Published: 01 January 2005
Fig. 7 Corrosion pits observed on (a) uranium, (b) U-4Nb, and (c) U-6Nb after anodic polarization scans in 0.1 M NaCl (room temperature, Ar-purged) More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001242
EISBN: 978-1-62708-170-2
... anodic and cathodic bath efficiency and anode corrosion. These additives produce matte to full-bright, fine-grain deposits. Proprietary additives are also used to control the effects of organic and inorganic contaminants. Alkaline Noncyanide Copper Plating Alkaline noncyanide copper plating...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003601
EISBN: 978-1-62708-182-5
... battery systems. The article illustrates the constructive roles played by corrosion at anodes in batteries through the use of a zinc anode in a mercury battery and a lithium metal anode in a rechargeable lithium battery. It also outlines the destructive role played by corrosion by illustrating shelf...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003663
EISBN: 978-1-62708-182-5
... arrangement of these materials may make galvanic-corrosion prediction difficult because of the effects of solution (electrolyte) resistance on the corrosion rates. An example of this is a heat-exchanger tube in a tubesheet. Assuming the tube to be anodic to the tubesheet, areas of the tube near the tubesheet...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003709
EISBN: 978-1-62708-182-5
..., for example, in stray current corrosion. Corrosion Potential The corrosion potential is the mixed electrode potential of a freely corroding m