Matériaux & Techniques
Volume 85, Number 11-12, 1997
|Page(s)||41 - 46|
|Published online||14 April 2017|
Influence de facteurs inorganiques sur l'évolution du potentiel des aciers inoxydables en eau de mer naturelle
Influence of inorganic factors on the evolution of the free corrosion potential of stainless steels in natural sea water
2 Faculté de Caen
The aim of this work is to study the influence of inorganic factors on the evolution of stainless steel free corrosion potential in natural seawater. The factors assessed are: composition of stainless steel, seasons, hydraulic regime, temperature (20°C, 30°C and 40°C) and presence or absence of oxygen. Additional polarization studies have also been carried out. The results of these experiments have shown that the evolution of the potential is not influenced by the stainless steel composition or the hydraulic regime. At 40°C, the potential doesn't increase. The presence of oxygen in the medium is necessary. The evolution of potential is correlated to an increase of the cathodic current.
© SIRPE 1997
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