A novel cement-based hybrid material

Albert Nasibulin (Corresponding Author), S. D. Shandakov, L. I. Nasibulina, A. Cwirzen, P. R. Mudimela, K. Habermehl-Cwirzen, D. A. Grishin, Y. V. Gavrilov, J. E. M. Malm, Unto Tapper, Y. Tian, V. Penttala, M.J. Karppinen, Esko I. Kauppinen (Corresponding Author)

    Research output: Contribution to journalArticleScientificpeer-review

    114 Citations (Scopus)


    Carbon nanotubes (CNTs) and carbon nanofibers (CNFs) are known to possess exceptional tensile strength, elastic modulus and electrical and thermal conductivity. They are promising candidates for the next-generation high-performance structural and multi-functional composite materials. However, one of the largest obstacles to creating strong, electrically or thermally conductive CNT/CNF composites is the difficulty of getting a good dispersion of the carbon nanomaterials in a matrix. Typically, time-consuming steps of purification and functionalization of the carbon nanomaterial are required. We propose a new approach to grow CNTs/CNFs directly on the surface of matrix particles. As the matrix we selected cement, the most important construction material. We synthesized in a simple one-step process a novel cement hybrid material (CHM), wherein CNTs and CNFs are attached to the cement particles. The CHM has been proven to increase 2 times the compressive strength and 40 times the electrical conductivity of the hardened paste, i.e. concrete without sand.
    Original languageEnglish
    Article number023013
    Number of pages11
    JournalNew Journal of Physics
    Issue number2
    Publication statusPublished - 2009
    MoE publication typeA1 Journal article-refereed


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