Corrugated stainless steels embedded in mortar for 9 years: Corrosion results of non-carbonated, chloride-contaminated samples
作者： A. Bautista , E.C. Paredes , F. Velasco , S.M. Alvarez
DOI: 10.1016/J.CONBUILDMAT.2015.04.060
关键词:
摘要: Abstract Mortar samples reinforced with 5 different corrugated stainless steels were tested for 9 years in 2 conditions: partial immersion (PI) 3.5% NaCl, and chloride addition to the mortar exposure high relative humidity (HRH). The monitoring during exposures was carried out corrosion potential ( E corr ) electrochemical impedance spectroscopy (EIS) measurements. A year before finishing (after 8 years of exposure), anodically polarised obtain more information about pitting resistance passive layers formed under conditions. last established study progress or repassivation pits. PI is most aggressive testing condition it causes low-intensity S20430 austenitic steel after 7 years exposure. S32205 duplex shows very good behaviour.
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