2008
DOI: 10.1504/ijnp.2008.017618
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Sintering and characterisation of nano-sized yttria-stabilised zirconia

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Cited by 8 publications
(5 citation statements)
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“…Considering the mean particle size obtained from the laser diffraction technique, which involves sonication of a suspension of the powder, it appears that the ZrO 2 powders are prone to agglomeration when exposed to water that cannot be entirely removed through sonication. Similar results for Tosoh 3Y–ZrO 2 has been observed by Hasanuzzaman et al 26 …”
Section: Resultssupporting
confidence: 90%
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“…Considering the mean particle size obtained from the laser diffraction technique, which involves sonication of a suspension of the powder, it appears that the ZrO 2 powders are prone to agglomeration when exposed to water that cannot be entirely removed through sonication. Similar results for Tosoh 3Y–ZrO 2 has been observed by Hasanuzzaman et al 26 …”
Section: Resultssupporting
confidence: 90%
“…The larger particle size obtained using particle size analyses compared with the BET details indicate that the ZrO 2 is prone to agglomeration in water. Similar results have been reported with ZrO 2 powders elsewhere 26 . During the course of the microwave heating regime employed, the measured temperature increases in an almost linear fashion up to ∼800°C.…”
Section: Discussionsupporting
confidence: 88%
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“…We obtain similar values of Vickers hardness and toughness; HV 2.0 12.25 ± 0.23 GPa, K lc 5.70 ± 0.14 MPa m 1/2 for white zirconia and HV 2.0 13.45 ± 0.13 GPa, K lc 5.62 ± 0.13 MPa m 1/2 for black zirconia. These values are close to those obtained for the same powder by conventional sintering (1400°C); HV 2.0 12.54 ± 0.23 GPa, K lc 4.88 ± 0.28 MPa m 1/2 [37]. To conclude, the flash sintering conditions, traditionally utilized in small size specimens, are possible to implement, based on the interface aided flash sintering, in larger scale specimens resulting in homogeneous microstructures with very limited grain growth.…”
supporting
confidence: 84%
“…3YSZ industrial nanopowder (Zirai-Guangzhou Hongwu Material Technology Co., Guangzhou, China) is mixed with polyvinyl alcohol (PVA) for 3% mass. Instead of using Cold Isostatic Pressing technique, Hasanuzzaman in 2006 mentioned a manual technique for compacting yttria -stabilized zirconia using hydraulic press [9]. 3YSZ is compressed into pellet size inside a 14 mm diameter mold given 5 tons of force with a manual hydraulic press.…”
Section: Methodsmentioning
confidence: 99%