CERAMIC COMPOSITE BASED ON ZIRCONIA REINFORCED BY SINGLE-WALLED CARBON NANOTUBES

CERAMIC COMPOSITE BASED ON ZIRCONIA REINFORCED BY SINGLE-WALLED CARBON NANOTUBES

The effect of the relative content of single-walled carbon nanotubes (SWCNTs) on the compaction, phase composition, microstructure, and mechanical properties of composites based on yttria-stabilized zirconia obtained via spark plasma sintering is studied. We found that a substantial increase in the...

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Veröffentlicht in:Nanotechnologies in Russia 2019-03, Vol.14 (3-4), p.118-124
Hauptverfasser: Leonov, A. A., Dvilis, E. S., Khasanov, O. L., Paygin, V. D., Kalashnikov, M. P., Petukevich, M. S., Panina, A. A.
Format: Artikel
Sprache:eng
Schlagworte:
Additives
Chemistry and Materials Science
Composite materials
Fracture toughness
Functional and Construction Nanomaterials
High temperature
Industrial and Production Engineering
Machines
Manufacturing
Materials Science
Mechanical properties
Nanotechnology
Phase composition
Plasma sintering
Processes
Single wall carbon nanotubes
Spark plasma sintering
Yttria-stabilized zirconia
Yttrium oxide
Zirconium dioxide
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Zusammenfassung:The effect of the relative content of single-walled carbon nanotubes (SWCNTs) on the compaction, phase composition, microstructure, and mechanical properties of composites based on yttria-stabilized zirconia obtained via spark plasma sintering is studied. We found that a substantial increase in the relative density from 98.26 to 99.98% is observed in the composites containing 0.1 and 0.5 wt % SWCNT. It is established that SWCNTs partially limit the monoclinic–tetragonal transition occurring during high-temperature treatment of zirconia. The fracture toughness of the composite containing 1 wt % SWCNT increases by 38% compared to ceramics without additives.
ISSN:1995-0780
1995-0799
DOI:10.1134/S1995078019020095