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Self-Sensing Properties of Green Alkali-Activated Binders with Carbon-Based Nanoinclusions

Author

Listed:
  • Antonella D’Alessandro

    (Department of Civil and Environmental Engineering, University of Perugia, 06123 Perugia, Italy)

  • Denny Coffetti

    (Department of Engineering and Applied Sciences, University of Bergamo, 24129 Bergamo, Italy
    UdR “Materials and Corrosion”, Consorzio INSTM, 50121 Florence, Italy
    Consorzio Interuniversitario per lo sviluppo dei Sistemi a Grande Interfase, CSGI, Sesto Fiorentino, 50121 Florence, Italy)

  • Elena Crotti

    (Department of Engineering and Applied Sciences, University of Bergamo, 24129 Bergamo, Italy
    UdR “Materials and Corrosion”, Consorzio INSTM, 50121 Florence, Italy
    Consorzio Interuniversitario per lo sviluppo dei Sistemi a Grande Interfase, CSGI, Sesto Fiorentino, 50121 Florence, Italy)

  • Luigi Coppola

    (Department of Engineering and Applied Sciences, University of Bergamo, 24129 Bergamo, Italy
    UdR “Materials and Corrosion”, Consorzio INSTM, 50121 Florence, Italy
    Consorzio Interuniversitario per lo sviluppo dei Sistemi a Grande Interfase, CSGI, Sesto Fiorentino, 50121 Florence, Italy)

  • Andrea Meoni

    (Department of Civil and Environmental Engineering, University of Perugia, 06123 Perugia, Italy)

  • Filippo Ubertini

    (Department of Civil and Environmental Engineering, University of Perugia, 06123 Perugia, Italy)

Abstract

This paper is aimed at investigating the self-sensing properties of Portland-free alkali-activated binders doped with carbon-based nanofillers. Four different inclusions (carbon nanotubes, carbon nanofibers, carbon black and graphene nanoplatelets) were added into the matrix in the same amount. The physical and electromechanical properties were analyzed. The self-sensing capabilities of the samples were tested by applying a square wave voltage signal and measuring the variation of electrical resistance during cyclical compression tests. The results showed that the presence of nano-inclusions enhanced the sensing behavior of the materials, especially regarding the linearity and the hysteresis performances. Such results appear promising for the application of such novel and innovative nano-modified composites in the field of monitoring structures and infrastructures.

Suggested Citation

  • Antonella D’Alessandro & Denny Coffetti & Elena Crotti & Luigi Coppola & Andrea Meoni & Filippo Ubertini, 2020. "Self-Sensing Properties of Green Alkali-Activated Binders with Carbon-Based Nanoinclusions," Sustainability, MDPI, vol. 12(23), pages 1-13, November.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:23:p:9916-:d:451993
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    References listed on IDEAS

    as
    1. Alberto Belli & Alessandra Mobili & Tiziano Bellezze & Francesca Tittarelli & Paulo Cachim, 2018. "Evaluating the Self-Sensing Ability of Cement Mortars Manufactured with Graphene Nanoplatelets, Virgin or Recycled Carbon Fibers through Piezoresistivity Tests," Sustainability, MDPI, vol. 10(11), pages 1-12, November.
    2. Luigi Coppola & Denny Coffetti & Elena Crotti & Gabriele Gazzaniga & Tommaso Pastore, 2020. "The Durability of One-Part Alkali-Activated Slag-Based Mortars in Different Environments," Sustainability, MDPI, vol. 12(9), pages 1-15, April.
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    Cited by:

    1. Nadana Shanmugam & Vediyappan Thirumal & Natesan Kannadasan & Kandasamy Murugavel & Natarajan Jayashri & Jinho Kim & Dongjin Choi, 2022. "Influence of Cerium and Nickel Co-Doping on ZnO Nanostructures for Electrochemical Behavior of H 2 O 2 Sensing Applications," Sustainability, MDPI, vol. 14(10), pages 1-14, May.

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