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galvanic corrosion

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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003607
EISBN: 978-1-62708-182-5
... Abstract This article describes the various factors that affect the extent of corrosion resulting from galvanic coupling. The factors include galvanic series, polarization behavior, and geometric relationship of metals and alloys. The article briefly discusses the various modes of attack...
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
... Abstract Galvanic corrosion, although listed as one of the forms of corrosion, is considered as a type of corrosion mechanism that is evaluated by modifying the tests used for conventional forms of corrosion. This article focuses on component testing, computer and physical scale modeling...
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Published: 01 January 2006
Fig. 4 White corrosion products on tin-coated circuits and galvanic corrosion between the gold-tin contact/circuit interface resulting from a coffee spill More
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Published: 30 September 2015
Fig. 18 Galvanic corrosion of carbon steel coupled to stainless steel in a water tank More
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Published: 01 January 2006
Fig. 4 Galvanic corrosion at the interface of the copper rotating band and the steel base metal in a 105 mm cartridge. Source: Ref 3 More
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Published: 01 January 2006
Fig. 13 Galvanic corrosion of F/A-18 aircraft dorsal scallops resulting from composite doors attached to aluminum substructure with titanium and steel fasteners in the presence of moisture. Courtesy of S. Long, Naval Air Depot—North Island More
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Published: 01 January 2006
Fig. 14 Galvanic corrosion of an F/A-18 aircraft wing substructure resulting from composite doors attached to aluminum substructure with titanium and steel fasteners in the presence of moisture. Courtesy of S. Long, Naval Air Depot—North Island More
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Published: 01 January 2006
Fig. 2 Detail of damage by galvanic corrosion of an iron staff in contact with a cast bronze hand on a statue of Mercury (date 1962) located in Kingston, Ontario. Courtesy of Pierre Roberge, Royal Military College of Canada. Photograph 2003 More
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Published: 01 January 2006
Fig. 3 Galvanic corrosion between copper and wrought iron on the Statue of Liberty , causing accelerated corrosion of the iron More
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Published: 01 January 2006
Fig. 4 Galvanic corrosion of a Muntz metal tubesheet, fitted with AL6X stainless steel tubes, after 1 year of seawater service More
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Published: 01 January 2005
Fig. 10 Galvanic corrosion of AZ91D caused by bare steel fasteners during a 10 day exposure to 5% NaCl salt spray. Source: Ref 18 More
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Published: 01 January 2005
Fig. 21 Galvanic corrosion produced by dissimilar fasteners in AZ91D magnesium alloy. Reproduced from Ref 31 with permission of the International Magnesium Association, McLean, VA More
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Published: 01 January 2005
Fig. 25 Design considerations for reducing galvanic corrosion. (a) Proper bolt location. (b) Poor practice. (c) Good with no gap. (d) For use when direct metal-to-metal contact is required for electrical reasons More
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Published: 01 January 2005
Fig. 26 Relative galvanic corrosion produced by dissimilar fasteners attached to AZ91D magnesium alloy (ASTM B 117 salt spray test). Source: Ref 34 , 35 More
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Published: 01 January 2005
Fig. 28 Use of insulating tapes to avoid galvanic corrosion More
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Published: 01 January 2005
Fig. 30 Reduction of galvanic corrosion between magnesium-alloy AM608 (AZ91D) die-cast test plates and various coated steel fasteners, compared to bare steel fasteners. Tested for 200 h in continuous salt spray. Source: Ref 35 More
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Published: 01 January 2005
Fig. 33 Effect of spacer thickness on the galvanic corrosion of AZ91 magnesium coupled to cast iron disks through plastic spacers (200 h salt spray). Source: Ref 34 More
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Published: 01 January 2005
Fig. 34 Effects of aluminum-alloy washer size on the galvanic corrosion of AZ91 magnesium fastened with cadmium-plated bolts. α is a linear distance measured from the cadmium-plated bolt head to the magnesium surface via washer surface. 10 days salt spray exposure. ASTM B 117. Source: Ref 34 More
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Published: 01 January 2005
Fig. 10 A comparison of the driving force for galvanic corrosion of uranium couples in neutral, chloride-containing solutions. A negative driving force indicates uranium is the cathodic member of the couple. E corr , corrosion potential. Based on data from Ref 14 , 19 , 25 More
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Published: 01 January 2006
Fig. 23 Galvanic corrosion when mixing muffler materials. Aluminum sacrifices itself to protect the 409 stainless steel, exposing the carbon steel substrate. More