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Do Cement Nanotubes exist?

Authors

  • H. Manzano,

    1. Molecular Spectroscopy Laboratory, Department of Physical Chemistry, University of the Basque Country UPV/EHU, Apartado 644, 48080- BILBAO, Spain
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  • A. N. Enyashin,

    1. Technische Universität Dresden, Physikalische Chemie, D-01062 Dresden, Germany
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  • J. S. Dolado,

    1. TECNALIA Research & Innovation, Parque Tecnológico de Bizkaia, Edificio 700, 48160, Derio, Spain
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  • A. Ayuela,

    Corresponding author
    1. Departamento de Física de Materiales, Facultad de Químicas, Centro de Física de Materiales CSIC-UPV/EHU and Donostia Internacional Physics Center.20018., San Sebastián/Donostia, Spain
    • Departamento de Física de Materiales, Facultad de Químicas, Centro de Física de Materiales CSIC-UPV/EHU and Donostia Internacional Physics Center.20018., San Sebastián/Donostia, Spain.
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  • J. Frenzel,

    1. Lehrstuhl für Theoretische Chemie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
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  • G. Seifert

    1. Technische Universität Dresden, Physikalische Chemie, D-01062 Dresden, Germany
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Abstract

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Using atomistic simulations, this work indicates that cement nanotubes can exist. The chemically compatible nanotubes are constructed from the two main minerals in ordinary Portland cement pastes, namely calcium hydroxide and a calcium silicate hydrate called tobermorite. These results show that such nanotubes are stable and have outstanding mechanical properties, unique characteristics that make them ideally suitable for nanoscale reinforcements of cements.

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