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Corrosion in Liquid Media
Book chapter

Corrosion in Liquid Media

Yury G Gogotsi and Vladimir A Lavrenko
Corrosion of High-Performance Ceramics, pp 76-89
1992

Abstract

Silicon Nitride Boron Nitride Magnesium Silicate Boron Carbide Aluminium Nitride
Ceramics used for different applications are affected not only by gas atmospheres, they can also be exposed to liquids, viz. solutions and melts. Corrosion of metals in liquid media is usually subdivided into chemical (in nonelectrolytes and molten metals) and electrochemical (in electrolytic solutions and melts). Since the corrosion mechanisms of ceramic materials in liquid media have not yet been studied thoroughly enough, we use basic chemical laws to describe the process. Under real conditions the processes of corrosive damage of structural ceramics, especially conducting SiC- and B4C-based ones, can also be described from the point of view of electrochemistry using, e.g., the theory of microgalvanic cells by Akimov.

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