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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: 01 January 2006
Fig. 11 Galvanic corrosion of type 304 stainless steel stud bolts that fastened two Alloy 20 (ACI CN-7M) pump components. The pump was pumping 45% H 2 SO 4 at 95 °C (200 °F). The stud bolts were anodic to the Alloy 20 pump housings. Courtesy of A.R. Wilfley & Sons, Inc., Pump Division 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. See the article “U.S. Navy Aircraft Corrosion More
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Published: 01 January 2006
Fig. 19 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. Photograph 2003. See the article “Corrosion of Metal Artifacts Displayed in Outdoor Environments More
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Published: 01 January 2006
Fig. 23 Galvanic corrosion of solid carbon steel hanger rods after 1.5 years of driving service in the salt belt. Muffler end plate and sheet metal hanger are 18Cr-Cb. See the article “Automotive Exhaust System Corrosion” in this Volume. 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 2006
Fig. 1 Mechanism of galvanic corrosion, which occurs when dissimilar metals are placed in contact with one another and are exposed to a common electrolyte. The more electrochemically active metal will act as the anode and will corrode preferentially (often at an accelerated rate), and the less 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