TY - JOUR
T1 - Direct synthesis of carbon nanofibers on cement particles
AU - Nasibulina, Larisa I.
AU - Anoshkin, Ilya V.
AU - Shandakov, Sergei D.
AU - Nasibulin, Albert G.
AU - Cwirzen, Andrzej
AU - Mudimela, Prasantha R.
AU - Habermehl-Cwirzen, Karin
AU - Malm, Jari E.M.
AU - Koltsova, Tatiana S.
AU - Tian, Ying
AU - Vasilieva, Ekaterina S.
AU - Penttala, Vesa
AU - Tolochko, Oleg V.
AU - Karppinen, Maarit J.
AU - Kauppinen, Esko I.
PY - 2010
Y1 - 2010
N2 - 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.
AB - 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.
U2 - 10.3141/2142-14
DO - 10.3141/2142-14
M3 - Article
SN - 0361-1981
VL - 2142
SP - 96
EP - 101
JO - Transportation Research Record
JF - Transportation Research Record
IS - 1
ER -