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Direct synthesis of carbon nanofibers on cement particles

Nasibulina, Larisa I. (author)
Department of Applied Physics and Center for New Materials, Helsinki University of Technology, Espoo
Anoshkin, Ilya V. (author)
Department of Applied Physics and Center for New Materials, Helsinki University of Technology, Espoo
Shandakov, Sergey D. (author)
Department of Applied Physics and Center for New Materials, Helsinki University of Technology, Espoo
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Nasibulin, Albert G. (author)
Department of Applied Physics and Center for New Materials, Aalto University
Cwirzen, Andrzej (author)
Laboratory of Building Materials Technology, Faculty of Engineering and Architecture, Helsinki University of Technology, Espoo
Mudimela, Prasantha R. (author)
Department of Applied Physics and Center for New Materials, Helsinki University of Technology, Espoo
Habermehl-Cwirzen, Karin (author)
Laboratory of Building Materials Technology, Faculty of Engineering and Architecture, Helsinki University of Technology, Espoo
Malm, Jari E M (author)
Laboratory of Inorganic Chemistry, Department of Chemistry, Helsinki University of Technology, Espoo
Koltsova, Tatiana S. (author)
Material Science Faculty, State Polytechnical University
Tian, Ying (author)
Department of Applied Physics and Center for New Materials, Helsinki University of Technology, Espoo
Vasilieva, Ekaterina S. (author)
Material Science Faculty, State Polytechnical University
Penttala, Vesa (author)
Laboratory of Building Materials Technology, Aalto University
Tolochko, Oleg V. (author)
Material Science Faculty, State Polytechnical University
Karppinen, Maarit J. (author)
Laboratory of Inorganic Chemistry, Department of Chemistry, Helsinki University of Technology, Espoo
Kauppinen, Esko I. (author)
Department of Applied Physics and Center for New Materials, Helsinki University of Technology, Espoo
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 (creator_code:org_t)
2010-01-01
2010
English.
In: Transportation Research Record. - : SAGE Publications. - 0361-1981 .- 2169-4052. ; :2142, s. 96-101
Related links:
https://urn.kb.se/re...
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https://doi.org/10.3...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Carbon nanotubes (CNTs) and nanofibers (CNFs) are promising candidates for the next generation of high-performance structural and multifunctional composite materials. 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 are required in purifying and functionalizing the carbon nanomaterial. A new approach under which CNTs-CNFs are grown directly on the surface of matrix and matrix precursor particles is proposed. Cement was selected as the precursor matrix, since it is the most important construction material. A novel cement hybrid material (CHM) was synthesized in which CNTs and CNFs are attached to the cement particles by two different methods: screw feeder and fluidized bed reactors. CHM has been proved to increase the compressive strength by two times and the electrical conductivity of the hardened paste by 40 times.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Samhällsbyggnadsteknik -- Infrastrukturteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Civil Engineering -- Infrastructure Engineering (hsv//eng)

Keyword

Structural Engineering
Konstruktionsteknik

Publication and Content Type

ref (subject category)
art (subject category)

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