galvanic couple


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galvanic couple

[gal′van·ik ′kəp·əl]
(electricity)
A pair of unlike substances, such as metals, which generate a voltage when brought in contact with an electrolyte.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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On the other hand, the standard does not consider the galvanic couple generated between the worn and unworn areas during sliding either.
Tribocorrosion of Passive Materials: A Review on Test Procedures and Standards
Thus, the incrustation of these materials on the carbon steel surface tends to form a galvanic couple; this is well characterized by the potential values obtained for the plates after the surface cleaning, mainly for the samples from groups D and E.
Influence of surface cleaning by tools made of copper alloys on the painting performance
This suggests that the potential difference generated by the galvanic couple is greater for the Cu-AA2024-T3 pair than the Cu-Ni-AA2024-T3 pair (Figure 10).
Underfilm corrosion on polyurethane-coated aluminum alloy 2024-T3 containing dissimilar metal fasteners
A sampling of topics: the European steel industry's efforts to cut emissions, efforts in India, Canadian green steel, soda fuel cycle metallurgy, and nanoscale galvanic couples. Neelameggham is a technical development scientist.
Carbon dioxide reduction metallurgy; proceedings

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