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Effect of sodium monofluorophosphate treatment on microstructure and frost salt scaling durability of slag cement paste
Sodium-monofluorophosphate (Na-MFP) is currently in use as a surface applied corrosion inhibitor in the concrete industry. Its basic mechanism is to protect the passive layer of the reinforcement steel against disruption due to carbonation. Carbonation is known as the most detrimental environmental effect on blast furnace slag cement (BFSC) concrete with respect to frost salt scaling. In this paper the effect of Na-MFP on the microstructure and frost salt scaling resistance of carbonated BFSC paste is presented. The results of electron microscopy, mercury intrusion porosimetry (MIP) and X-ray diffraction (XRD) are discussed. It is found that the treatment modifies the microstructure and improves the resistance of carbonated BFSC paste against frost salt attack.
Effect of sodium monofluorophosphate treatment on microstructure and frost salt scaling durability of slag cement paste
Sodium-monofluorophosphate (Na-MFP) is currently in use as a surface applied corrosion inhibitor in the concrete industry. Its basic mechanism is to protect the passive layer of the reinforcement steel against disruption due to carbonation. Carbonation is known as the most detrimental environmental effect on blast furnace slag cement (BFSC) concrete with respect to frost salt scaling. In this paper the effect of Na-MFP on the microstructure and frost salt scaling resistance of carbonated BFSC paste is presented. The results of electron microscopy, mercury intrusion porosimetry (MIP) and X-ray diffraction (XRD) are discussed. It is found that the treatment modifies the microstructure and improves the resistance of carbonated BFSC paste against frost salt attack.
Effect of sodium monofluorophosphate treatment on microstructure and frost salt scaling durability of slag cement paste
Copuroglu, O. (author) / Fraaij, A.L.A. (author) / Bijen, J.M.J.M. (author)
Cement and Concrete Research ; 36 ; 1475-1482
2006
8 Seiten, 19 Quellen
Article (Journal)
English
Additiv , alkalihaltiger Phosphat , Baustahl , Elektronenmikroskopie , Fluorverbindung , Frost-Tau-Test , granulierte Schlacke , Hochofenschlacke , Hochofenzement , Korrosionsinhibitor , Korrosionsschutz , mechanische Verstärkung , Mikrostruktur , Natriumverbindung , Passivierung , Stahlbeton , Wasserabbinden von Zement , Zementpaste
| British Library Conference Proceedings | 2006
| British Library Online Contents | 2006
Frost scaling of blast-furnace slag mortar with sodium monofluorophosphate
| British Library Conference Proceedings | 2010