期刊
CORROSION SCIENCE
卷 80, 期 -, 页码 191-196出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2013.11.024
关键词
Galvanic corrosion; Ceramic
资金
- AiF/Federal Ministry of Economics and Technology [390 ZBG]
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. (C) 2013 Elsevier Ltd. All rights reserved.
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