Algerian Journal of Materials Chemistry
Volume 1, Numéro 1, Pages 16-28
2018-12-14
Surface Conditions Effect On The Corrosion Behaviour Of Steel Rebar In Simulated Concrete Pore Solution
Authors : Bensabra Hakim .
Abstract
. In order to study a surface conditions effect on the corrosion behaviour of steel rebar, electrochemical tests were carried out in simulated concrete pore solution using samples with two different surfaces: polished and corroded (as received). The obtained results show that the oxide layer has a negative effect on the corrosion behaviour of reinforcement steel. This effect can be explained by the fact that the oxides provoke a decrease of the electrolyte resistance at the metal/concrete interface and reduce the re-passivating ability. In addition, the oxide layer acts as a physical barrier against the diffusion of hydroxyl ions, which prevents the re-alkalinization phenomenon.
Keywords
Corrosion, concrete, steel, chloride, rust
Les articles similaires
Bensabra Hakim
.
Belkhair Somia
.
pages 16-28.
بوسالم أحلام
.
عابد يوسف
.
ص 117-132.
Yahia Zeghoudi
.
pages 74-88.
Ferkous Hana
.
Chikouche Imene
.
Djellali Souad
.
Boudjelida Soufiane
.
Belakhdar Amina
.
pages 023-029.
Said Houari Amel
.
pages 257-268.
