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Application of wire beam electrode technique to investigate the migrating behavior of corrosion inhibitors in mortar
Graphical abstractThe migration rate and inhibitive effect on rebar corrosion of migrating corrosion inhibitors (MCIs) in mortar were studied using wire beam electrode technique with high temporal and spatial resolution. The MCIs readily diffused through the mortar but exhibited preferential adsorption on the bare metal surfaces rather than on the rust layer on rebars. The ingress of MCIs in mortar increased the general corrosion resistance. This increase was mainly attributed to the sealing effect on mortar pores (pore-blocking effect) rather than on chemical absorption.
HighlightsWire beam electrode technique can evaluate the migration of inhibitor under mortar.Preferential absorption of MCIs were directly detected by using WBE technique.The so-called pore-blocking effect of MCI could be distinguished by using WBE technique.
AbstractThe migration rate and inhibitive effect on rebar corrosion of migrating corrosion inhibitors (MCIs) in mortar were studied using wire beam electrode technique with high temporal and spatial resolution. The MCIs readily diffused through the mortar but exhibited preferential adsorption on the bare metal surfaces rather than on the rust layer on rebars. The ingress of MCIs in mortar increased the resistance on general corrosion much more than localized corrosion. This increase was mainly attributed to the sealing effect on mortar pores (pore-blocking effect) rather than on chemical absorption.
Application of wire beam electrode technique to investigate the migrating behavior of corrosion inhibitors in mortar
Graphical abstractThe migration rate and inhibitive effect on rebar corrosion of migrating corrosion inhibitors (MCIs) in mortar were studied using wire beam electrode technique with high temporal and spatial resolution. The MCIs readily diffused through the mortar but exhibited preferential adsorption on the bare metal surfaces rather than on the rust layer on rebars. The ingress of MCIs in mortar increased the general corrosion resistance. This increase was mainly attributed to the sealing effect on mortar pores (pore-blocking effect) rather than on chemical absorption.
HighlightsWire beam electrode technique can evaluate the migration of inhibitor under mortar.Preferential absorption of MCIs were directly detected by using WBE technique.The so-called pore-blocking effect of MCI could be distinguished by using WBE technique.
AbstractThe migration rate and inhibitive effect on rebar corrosion of migrating corrosion inhibitors (MCIs) in mortar were studied using wire beam electrode technique with high temporal and spatial resolution. The MCIs readily diffused through the mortar but exhibited preferential adsorption on the bare metal surfaces rather than on the rust layer on rebars. The ingress of MCIs in mortar increased the resistance on general corrosion much more than localized corrosion. This increase was mainly attributed to the sealing effect on mortar pores (pore-blocking effect) rather than on chemical absorption.
Application of wire beam electrode technique to investigate the migrating behavior of corrosion inhibitors in mortar
Shi, Wei (author) / Wang, Tian-Zheng (author) / Dong, Ze-Hua (author) / Guo, Xing-Peng (author)
Construction and Building Materials ; 134 ; 167-175
2016-12-10
9 pages
Article (Journal)
Electronic Resource
English
| British Library Online Contents | 2017
| British Library Online Contents | 2017
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