Datum
2022-02-21Autor
Schleiting, MaximilianWetzel, AlexanderGöbel, DanielaKrooß, PhilippFrenck, Johanna-MariaNiendorf, ThomasMiddendorf, BernhardSchlagwort
660 Chemische Verfahrenstechnik, Technische Chemie FaserVerbundverhaltenMikrostrukturFaserverstärkungUltrahochfester BetonMetalloberflächeMetadata
Zur Langanzeige
Aufsatz
Growth of C-S-H phases on different metallic surfaces
Zusammenfassung
The influence of reinforcement, especially fibre reinforcement in ultra-high performance concrete is strongly dependent on the bonding (adhesive, shear and friction bond) between metallic surface and cementitious matrix. As usually straight fibres are used for fibre reinforcement and, thus, no significant mechanical bonding is existent, the adhesive bond is particularly important. Previous studies stated that the adhesive bonding behaviour between metallic materials and cementitious matrix strongly depends on the chemical composition of metallic alloys. Therefore, in order to address this topic, the present study investigates the growth of C-S-H phases on stainless steel and on cold drawn steel. This growth process was realised by a surface treatment of the metallic alloys using a synthetically manufactured Tricalciumsilicate (C₃S) powder diluted in water. After defined times of the C₃S treatment the process is stopped to get a time dependent growing behaviour of the cementitious phases. Light microscopy as well as scanning electron microscopy was used in order to investigate the surfaces following the application of the C₃S. The results reveal that the growth of C-S-H phases is more dependent on the metallic surface and its topography than on the alloy composition.
Zitierform
In: Journal of Microscopy Volume 286 / Issue 2 (2022-02-21) , S. 148-153 ; eissn:1365-2818Förderhinweis
Gefördert im Rahmen des Projekts DEALZitieren
@article{doi:10.17170/kobra-202204276102,
author={Schleiting, Maximilian and Wetzel, Alexander and Göbel, Daniela and Krooß, Philipp and Frenck, Johanna-Maria and Niendorf, Thomas and Middendorf, Bernhard},
title={Growth of C-S-H phases on different metallic surfaces},
journal={Journal of Microscopy},
year={2022}
}
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2022-04-27T14:01:08Z 2022-04-27T14:01:08Z 2022-02-21 doi:10.17170/kobra-202204276102 http://hdl.handle.net/123456789/13792 Gefördert im Rahmen des Projekts DEAL eng Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ fibre/matrix bond microstructure reinforcement ultra-high performance concrete 660 Growth of C-S-H phases on different metallic surfaces Aufsatz The influence of reinforcement, especially fibre reinforcement in ultra-high performance concrete is strongly dependent on the bonding (adhesive, shear and friction bond) between metallic surface and cementitious matrix. As usually straight fibres are used for fibre reinforcement and, thus, no significant mechanical bonding is existent, the adhesive bond is particularly important. Previous studies stated that the adhesive bonding behaviour between metallic materials and cementitious matrix strongly depends on the chemical composition of metallic alloys. Therefore, in order to address this topic, the present study investigates the growth of C-S-H phases on stainless steel and on cold drawn steel. This growth process was realised by a surface treatment of the metallic alloys using a synthetically manufactured Tricalciumsilicate (C₃S) powder diluted in water. After defined times of the C₃S treatment the process is stopped to get a time dependent growing behaviour of the cementitious phases. Light microscopy as well as scanning electron microscopy was used in order to investigate the surfaces following the application of the C₃S. The results reveal that the growth of C-S-H phases is more dependent on the metallic surface and its topography than on the alloy composition. open access Schleiting, Maximilian Wetzel, Alexander Göbel, Daniela Krooß, Philipp Frenck, Johanna-Maria Niendorf, Thomas Middendorf, Bernhard doi:10.1111/jmi.13089 Faser Verbundverhalten Mikrostruktur Faserverstärkung Ultrahochfester Beton Metalloberfläche publishedVersion eissn:1365-2818 Issue 2 Journal of Microscopy 148-153 Volume 286 false
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