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galvanic series

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Image
Published: 01 January 2000
Fig. 23 Galvanic series for seawater. Dark boxes indicate active behavior of active-passive alloys. More
Image
Published: 01 January 2000
Fig. 16 Experimental setup to determine a galvanic series. Source: NACE International More
Image
Published: 01 July 2000
Fig. 4.20 Galvanic series of various metals in flowing seawater at 2.4 to 4.0 m/s at 5 to 30 °C (volts vs. saturated calomel reference electrode). Note: Dark boxes indicate active behavior of active-passive alloys. Source: Ref 12 and 13 More
Image
Published: 01 August 1999
Fig. 4 Galvanic series for seawater. Dark boxes indicate active behavior for alloys that exhibit both active and passive behavior. More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030019
EISBN: 978-1-62708-282-2
... Abstract This chapter provides a brief account of galvanic corrosion, which occurs when a metal or alloy is electrically coupled to another metal or conducting nonmetal in the same electrolyte. It begins by describing the galvanic series of metals and alloys useful for predicting galvanic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240509
EISBN: 978-1-62708-251-8
... Abstract Magnesium occupies the highest anodic position on the galvanic series and can be subject to severe corrosion. The corrosion problem is due to the impurity elements iron, nickel, and copper. However, the use of higher-purity magnesium alloys has led to corrosion resistance approaching...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730129
EISBN: 978-1-62708-283-9
... is a common corrosive environment. The galvanic series ranks alloys according to their cathode potential in seawater ( Table 12.2 ). The galvanic series of common alloys Table 12.2 The galvanic series of common alloys Graphite Silver 12% Ni, 18% Cr, 3% Mo steel—P 20% Ni, 25% Cr steel—P...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060369
EISBN: 978-1-62708-261-7
.... The addition of a wire creates a battery, where electrons flow from the corroding zinc to the iron. The corrosion potential of zinc is more anodic than iron, which means that zinc generates a more negative electromotive force (emf) than iron. Galvanic Series The previous example illustrates the basic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870075
EISBN: 978-1-62708-299-0
... assembly Fig. 2 Galvanic corrosion of aluminum shielding in buried telephone cable coupled to buried copper plates Fig. 3 Galvanic corrosion of aluminum in buried power cable splice (copper to aluminum) For each environment, a galvanic series can be constructed in which metals...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630211
EISBN: 978-1-62708-270-9
... and other salts dissolved in water. This sequence is called the galvanic series and is shown in Table 1 for many pure metals and select alloys. Galvanic series in seawater at 25 °C (77 °F) Table 1 Galvanic series in seawater at 25 °C (77 °F) Cathodic end (least easily corroded) Platinum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910099
EISBN: 978-1-62708-250-1
... or alloy becomes cathodic in the couple. The driving force for galvanic corrosion is the difference in potential between the component metals or alloys. Galvanic Series When all that is necessary to know is which of the materials in a system are possible candidates for galvanically accelerated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910049
EISBN: 978-1-62708-250-1
... the likelihood of corrosion in a practical case. Galvanic Series The galvanic series is a ranking of metals from the most noble to the most active in a specific environment. Table 6 presents a galvanic series of several commercial metals and alloys in seawater. As in the emf series, the most noble...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240323
EISBN: 978-1-62708-251-8
... media is their ability to make certain metals and alloys passive by forming complex oxide films on the surface. A metal is less reactive and corrosion-prone in the passive condition than in the normal or active condition. As an example, notice in the galvanic series ( Table 18.2 ) that stainless steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610501
EISBN: 978-1-62708-303-4
... is less reactive and corrosion prone in the passive condition than in the normal or active condition. As an example, notice in the galvanic series ( Table 1 ) that stainless steels are listed in both the passive and active conditions, with the passive conditions being more cathodic than the active...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940451
EISBN: 978-1-62708-302-7
... • G 82, Guide for Development and Use of a Galvanic Series for Predicting Galvanic Corrosion Performance • G 84, Practice for Measurement of Time-of-Wetness on Surfaces Exposed to Wetting Conditions as in Atmospheric Corrosion Testing • G 85, Practice for Modified Salt Spray (Fog) Testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
... Galvanic corrosion Dissimilar metal couple immersion G 31 Total Immersion Tests ASTM standard G 31, “Practice for Laboratory Immersion Corrosion Testing of Metals,” and NACE standard method TM0169, “Laboratory Corrosion Testing of Metals,” are general guides on how these tests may be performed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350011
EISBN: 978-1-62708-315-7
... series, which lists a number of common metals and alloys arranged according to their tendency to corrode when in galvanic contact ( Table 1 ). Metals close to one another on the table generally do not have a strong effect on each other, but the farther apart any two metals are separated, the stronger...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030172
EISBN: 978-1-62708-282-2
... are often thought of as rapidly corroding metals because of their active positions in both the electromotive force (EMF) series ( Table 1 ) and the galvanic series for seawater. However, depending on the environment and certain design considerations, the corrosion of magnesium can be well within acceptable...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910497
EISBN: 978-1-62708-250-1
... deterioration at the interface be- tween contacting surfaces as the result of corrosion and slight oscil- latory movement between the two surfaces. G galvanic anode. A metal which, because of its relative position in the galvanic series, provides sacrificial protection to metals that are more noble...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.9781627082501
EISBN: 978-1-62708-250-1