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  4. Galvanic corrosion of metal/ceramic coupling
 
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2014
Journal Article
Title

Galvanic corrosion of metal/ceramic coupling

Abstract
The galvanic corrosion risk of metal/SiC-based ceramic coupling in 3.5 wt% NaCl aqueous solution is investigated. Electrochemical measurements as linear sweep voltammetry and galvanic corrosion tests according to DIN-50919 were used. The results clearly show that the resistivity of the SiC-based ceramic plays the key role in the understanding of galvanic corrosion between metal and ceramic. In all cases the ceramic represents the cathodic site of the coupling. The corrosion rate is dominated by the electrical resistance of the ceramic.
Author(s)
Schneider, M.
Kremmer, K.
Lämmel, C.
Sempf, K.
Herrmann, M.
Journal
Corrosion science  
DOI
10.1016/j.corsci.2013.11.024
Language
English
Fraunhofer-Institut für Keramische Technologien und Systeme IKTS  
Keyword(s)
  • galvanic corrosion

  • ceramic

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