A novel cement-based hybrid material
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© 2009 IOP Publishing. This is the accepted version of the following article: Nasibulin, Albert G & Shandakov, Sergey D & Nasibulina, Larisa I & Cwirzen, Andrzej & Mudimela, Prasantha R & Habermehl-Cwirzen, Karin & Grishin, Dmitrii A & Gavrilov, Yuriy V & Malm, Jari E M & Tapper, Unto & Tian, Ying & Penttala, Vesa & Karppinen, Maarit & Kauppinen, Esko I. 2009. A novel cement-based hybrid material. New Journal of Physics. Volume 11, Issue 2. 023013/1-11. ISSN 1367-2630 (printed). DOI: 10.1088/1367-2630/11/2/023013, which has been published in final form at http://iopscience.iop.org/article/10.1088/1367-2630/11/2/023013/meta. This work is distributed under the CC BY-NC-SA licence.
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School of Chemical Technology |
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2009
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en
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023013/1-11
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New Journal of Physics, Volume 11, Issue 2
Abstract
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.Description
Keywords
carbon nanotubes, carbon nanofibers composite materials
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Citation
Nasibulin, Albert G & Shandakov, Sergey D & Nasibulina, Larisa I & Cwirzen, Andrzej & Mudimela, Prasantha R & Habermehl-Cwirzen, Karin & Grishin, Dmitrii A & Gavrilov, Yuriy V & Malm, Jari E M & Tapper, Unto & Tian, Ying & Penttala, Vesa & Karppinen, Maarit & Kauppinen, Esko I. 2009. A novel cement-based hybrid material. New Journal of Physics. Volume 11, Issue 2. 023013/1-11. ISSN 1367-2630 (printed). DOI: 10.1088/1367-2630/11/2/023013.