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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.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...
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...
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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 2003
Fig. 7 Design details that can affect galvanic corrosion. (a) Fasteners should be more noble than the components being fastened; undercuts should be avoided, and insulating washers should be used. (b) Weld filler metals should be more noble than base metals. Transition joints can be used when More
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Published: 01 January 2003
Fig. 22 UNS A93003 aluminum coupons after galvanic corrosion test and removal of corrosion products. (a) Coupled to stainless steel cathode with natural microbial biofilm. (b) Coupled to control stainless steel cathode without biofilm. (c) As originally prepared prior to immersion. Source More
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Published: 01 January 2003
Fig. 3 Typical galvanic-corrosion immersion test setup using wire connections More
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Published: 01 January 2003
Fig. 4 Typical galvanic-corrosion test specimen using a threaded rod for mounting and electrical connection More
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Published: 01 January 2003
Fig. 7 Specimen configuration for the ISO test for atmospheric galvanic corrosion. 1, anodic plate, 1 piece; 2, cathodic plate, 2 pieces; 3, microsection, 2 pieces; 4, tensile test specimen; 5, bolt, 8 × 40 mm, 2 pieces; 6, washers, 1 mm thick, 16 mm diameter, 4 pieces; 7, insulating washers More
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Published: 01 January 2003
Fig. 2 Galvanic corrosion of aluminum shielding in buried telephone cable coupled to buried copper plates. Courtesy of R. Baboian, Texas Instruments, Inc. More
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Published: 01 January 2003
Fig. 3 Galvanic corrosion of aluminum in buried power cable splice (copper to aluminum). Courtesy of R. Baboian, Texas Instruments, Inc. More
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Published: 01 January 2003
Fig. 4 Galvanic corrosion of painted steel auto body panel in contact with stainless steel wheel opening molding. Courtesy of R. Baboian, Texas Instruments, Inc. More
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Published: 01 January 2003
Fig. 5 Galvanic corrosion of steel pipe at brass fitting in humid marine atmosphere. Courtesy of R. Baboian, Texas Instruments, Inc. More
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Published: 01 January 1997
Fig. 19 Prediction of galvanic corrosion rates of aluminum/copper couples and effect of aluminum/copper surface area ratio. Source: Ref 5 More
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Published: 01 January 1997
Fig. 31 Design details that can affect galvanic corrosion. (a) Fasteners should be more noble than the components being fastened; undercuts should be avoided, and insulating washers should be used. (b) Weld filler metals should be more noble than base metals. Transition joints can be used when 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