2010
DOI: 10.1016/j.msea.2009.11.009
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Grain growth stagnation in fully dense nanocrystalline Y2O3 by spark plasma sintering

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Cited by 50 publications
(49 citation statements)
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“…The presence of nano-pores is expected to lower the thermal conductivity through the scattering of phonons and electrons, and also to provide a retardation effect to grain growth [28]. [26] and with previous observation in our reported work [27].…”
Section: Analysis and Microstructure Of Reactively Sintered Samplessupporting
confidence: 88%
“…The presence of nano-pores is expected to lower the thermal conductivity through the scattering of phonons and electrons, and also to provide a retardation effect to grain growth [28]. [26] and with previous observation in our reported work [27].…”
Section: Analysis and Microstructure Of Reactively Sintered Samplessupporting
confidence: 88%
“…The available experimental data indicate that SPS-fabricated monolithic Y 2 O 3 generally benefits from such less severe processing conditions [20][21][22][23][24][25][26][27][28]. This work supports this claim, showing that highly dense Y 2 O 3 solids can be obtained at relatively mild sintering temperatures and short processing times.…”
Section: Introductionsupporting
confidence: 71%
“…Their conclusion was supported by agreement between their experimental observations and theoretical calculations on grain growth. The presence of isolated nanopores at grain boundaries has been verified in TEM observations on densified nanostructured oxides, including c-YSZ [32][33][34].…”
Section: Grain Growth Kinetics During the Sintering Of Nanocrystallinmentioning
confidence: 79%
“…In a recent study, Marder et al [32] investigated the sintering of nanocrystalline Y 2 O 3 (18 nm) powders under PECS conditions at 1100°C and obtained 98% dense samples with a grain size of 106 nm. They observed an initial increase in grain size during the final stage of sintering and then "stagnation" of grain growth and attributed that to the drag effect of nanopores at grain boundaries.…”
Section: Grain Growth Kinetics During the Sintering Of Nanocrystallinmentioning
confidence: 99%