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.
References in periodicals archive ?
Johansson, Effects of titanium dental restorative alloy galvanic couples on culture cells, J Biomed Mater Res, 43, p 184-191, 1998
10) Due to the more noble potential of the tools materials compared to the substrate (steel), the incrustation causes the formation of a galvanic couple.
In this study, a filiform corrosion test was combined with a galvanic couple by using dissimilar metal fasteners to join two sheets of aluminum alloy, thus producing a model lap joint.