Geodesic
Modification of the mechanical properties of zirconium dioxide ceramics by means of multiwalled carbon nanotubes
Nanosistemy: fizika, himiâ, matematika, Tome 7 (2016) no. 1, pp. 198-203.

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A ceramic matrix composite based on zirconium dioxide doped with carbon nanotubes (CNTs) and metallic silver as a plastic binder was produced by hydrothermal synthesis from ceramic precursor and a CNTs suspension followed by critical point drying of the synthesized hydrogel and metallic silver deposition on ceramic composite aerogel fragments from a $\mathrm{AgNO}_3$ solution. Multi-indentation loading of the composite has revealed two types of mechanical response: 1) hardness decreasing with an increasing of number of cycles and 2) significant increasing of hardness with an increasing number of indentations. Local chemical composition analysis has revealed correlations between the composite hardness and the presence oxygen atoms for first type and silver and yttrium atoms for second type of mechanical response respectively.
Keywords: zirconium dioxide, hydrothermal synthesis, aerogel, nanoindentation.
Mots-clés : carbon nanotubes 
@article{NANO_2016_7_1_a28,
     author = {E. A. Lyapunova and S. V. Uvarov and M. V. Grigoriev and S. N. Kul'kov and O. B. Naimark},
     title = {Modification of the mechanical properties of zirconium dioxide ceramics by means of multiwalled carbon nanotubes},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {198--203},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2016_7_1_a28/}
}
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E. A. Lyapunova; S. V. Uvarov; M. V. Grigoriev; S. N. Kul'kov; O. B. Naimark. Modification of the mechanical properties of zirconium dioxide ceramics by means of multiwalled carbon nanotubes. Nanosistemy: fizika, himiâ, matematika, Tome 7 (2016) no. 1, pp. 198-203. http://geodesic.mathdoc.fr/item/NANO_2016_7_1_a28/