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It is demonstrated that 0.1wt% of multi-walled carbon nanotubes (MWCNTs) or single-walled carbon nanotubes (SWCNTs) added to zirconia toughened alumina (ZTA) composites is enough to obtain high hardness and fracture toughness at indentation loads of 1, 5, and 10kg. ZTA composites with 0.01 and 0.1wt% of MWCNTs or SWCNTs were densified by spark plasma sintering (SPS) at 1520°C resulting in a higher...
The use of multi-wall carbon nanotubes (MWCNTs) or single-wall carbon nanotubes (SWCNTs) as filler in ceramic matrices could create composites with exceptional mechanical properties. We have prepared dense monolithic alumina (Al 2 O 3 ) and zirconia-toughened alumina (ZTA) composites with additions of 0.01wt% of MWCNTs or 0.01wt% of SWCNTs by conventional sintering and have demonstrated...
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