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A platform for research: civil engineering, architecture and urbanism
Coatings for fibre and interphase modification in a cementitious matrix
Despite the glass fibre being considered as a reinforcement of cementitious materials for several decades, the structural applications are limited by its poor corrosion resistance in a highly alkaline environment. Here, the authors describe an inexpensive and applicable process by which a nanometer-scale polymer surface coating layer based an styrene butadiene with varied concentrations, as environmental barrier coatings, were applied to the alkali-resistant glass fibres (ARG). The tensile and interfacial mechanical properties of glass fibre and composites were characterised by single fibre tensile, roving pull-out and longitudinal tensile tests. To assess changes in the fibre surface nanomechanical properties and chemistry, the authors present examples demonstrating sensitive surface stiffness and localized adhesion force with regard to depth profile, using atomic force microscopy (AFM) with nanoindentation technique. The data indicates that the polymer coating designs the glass fibre with significantly improved both corrosion resistance to alkali and fracture energy absorption capability of its composites.
Coatings for fibre and interphase modification in a cementitious matrix
Despite the glass fibre being considered as a reinforcement of cementitious materials for several decades, the structural applications are limited by its poor corrosion resistance in a highly alkaline environment. Here, the authors describe an inexpensive and applicable process by which a nanometer-scale polymer surface coating layer based an styrene butadiene with varied concentrations, as environmental barrier coatings, were applied to the alkali-resistant glass fibres (ARG). The tensile and interfacial mechanical properties of glass fibre and composites were characterised by single fibre tensile, roving pull-out and longitudinal tensile tests. To assess changes in the fibre surface nanomechanical properties and chemistry, the authors present examples demonstrating sensitive surface stiffness and localized adhesion force with regard to depth profile, using atomic force microscopy (AFM) with nanoindentation technique. The data indicates that the polymer coating designs the glass fibre with significantly improved both corrosion resistance to alkali and fracture energy absorption capability of its composites.
Coatings for fibre and interphase modification in a cementitious matrix
Beschichtungen zur Modifizierung von Fasern und Grenzschichten in zementgebundener Matrix
Mäder, E. (author) / Plonka, R. (author) / Gao, S.L. (author)
2003
12 Seiten, 7 Bilder, 12 Quellen
Conference paper
English
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