Materials and corrosion, Vol. 62 N° 2. Materials and corrosion - Fevrier 2011
| Titre : | Materials and corrosion, Vol. 62 N° 2. Materials and corrosion - Fevrier 2011 |
| Type de document : | Bulletin |
| Paru le : | 21/04/2011 |
Dépouillements
Article : texte imprimé
Article : texte imprimé
G. Sergi, Auteur
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Zinc sacrificial anodes have been included in patch repairs to steel reinforced concrete structural elements suffering from corrosion since the mid-1990s. A number of these anode-containing repairs have been monitored with time. One of the first[...]
Article : texte imprimé
R. B. Polder, Auteur ;
W. H. A. Peelen, Auteur ;
B. Th. J. Stoop, Auteur
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Over the last 25 years, cathodic protection (CP) of reinforced concrete structures suffering from chloride induced reinforcement corrosion has shown to be successful and durable. CP current causes steel polarisation, electrochemical reactions an[...]
Article : texte imprimé
B. Elsener, Auteur ;
D. Addari, Auteur ;
S. Coray, Auteur
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In harsh chloride bearing environments stainless steel reinforcing bars offer excellent corrosion resistance and very long service life for concrete structures, but the high costs limit a more widespread use. Manganese bearing nickel-free stainl[...]
Article : texte imprimé
L. Bertolini, Auteur ;
M. Gastaldi, Auteur
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The use of stainless steel bars in reinforced concrete structures may be an effective method to prevent corrosion in aggressive environments where high amounts of chlorides may penetrate in the concrete cover. For an estimation of the service li[...]
Article : texte imprimé
M. C. Andrade, Auteur ;
F. Bolzoni, Auteur ;
J. Fullea, Auteur
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Concrete is a porous material, that contains an alkaline solution, whose pore network enables mass transport from the exterior. The concrete as composite material is quasi an insulator when it is dry and presents relatively low resistivities, in[...]
Article : texte imprimé
I. Sanchez, Auteur ;
M. P. Lopez, Auteur ;
J. M. Ortega, Auteur
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One of the most important problems of reinforced steel concrete in marine environments is the corrosion of the reinforcing bars. Most of the times, this corrosion is a consequence of the local destruction of the passive layer formed on the surfa[...]
Article : texte imprimé
L. Bertolini, Auteur ;
M. Carsana, Auteur ;
M. Gastaldi, Auteur
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Since the beginning of the 20th century, in Italy as in many other countries, reinforced concrete (RC) became one of the most popular construction materials and it was used for buildings, monuments, infrastructures, etc. Several of these structu[...]
Article : texte imprimé
T. Bellezze, Auteur ;
G. Roventi, Auteur ;
E. Barbaresi, Auteur
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The composition of passivating products on galvanized steel reinforcement in concrete during carbonation was studied. Cube-shaped concrete specimens were manufactured with Portland 52.5 R cement and reinforced with hot-dip galvanized steel sheet[...]
Article : texte imprimé
E. Proverbio, Auteur
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Acoustic emission (AE) technique is gaining increasing interest for applications in civil engineering. AE indeed is a passive nonintrusive technique that can be applicable either in structural health monitoring (global evaluation) and in defect [...]
Article : texte imprimé
M. Ormellese, Auteur ;
F. Bolzoni, Auteur ;
L. Lazzari, Auteur
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Corrosion inhibitors are used to prevent chloride-induced corrosion in reinforced concrete structures. Since performance of commercial organic inhibitors is only partially satisfactory, a 7-year long research has been carried out in order to set[...]
Article : texte imprimé
C. Monticelli, Auteur ;
A. Frignani, Auteur ;
A. Balbo, Auteur
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The present research aims at studying two corrosion inhibitors, that is sodium 2-amino-benzoate (2AMB) and sodium glycero-phosphate (GPH), in a synthetic solution simulating the composition of the pore solution in a carbonated concrete, containi[...]
Article : texte imprimé
T. Pastore, Auteur ;
M. Cabrini, Auteur ;
L. Coppola, Auteur
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This paper summarizes the results of testing on salts of organic acids for evaluating their use as inhibitors of rebar corrosion in chloride-contaminated concrete. Initially a screening based on electrochemical tests in alkalinized calcium hydro[...]
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