On thermal runaway and local endothermic/exothermic reactions during flash sintering of ceramic nanoparticles
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DOI: 10.1007/s10853-018-2040-y
Abstract: Numerical analysis of the heat balance at the flash event during flash sintering of granular ceramic nanoparticles was performed assuming continuum solid state as well as simultaneous surface softening/liquid formation and current percolation through the… read more here.
Keywords: surface softening; thermal runaway; flash sintering; ceramic nanoparticles ... See more keywords
On the electric conduction of ZrO2 in the steady stage of flash sintering
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DOI: 10.1016/j.ceramint.2019.11.019
Abstract: Abstract The electric conductivity of zirconia in the steady stage of flash sintering is measured under various current densities. We find that the steady stage conductivity ( σ s ) is higher than the normal… read more here.
Keywords: steady stage; conductivity; flash sintering; stage flash ... See more keywords
Fabrication of high-entropy perovskite oxide by reactive flash sintering
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DOI: 10.1016/j.ceramint.2020.04.060
Abstract: Abstract In this study, powder mixtures at atomic ratios suitable for formation of Sr(Ti0.2Y0.2Zr0.2Sn0.2Hf0.2)O3-x were flash sintered at 1000 °C and 40 mA/mm2. X-ray diffraction and energy-dispersive spectroscopy analyses revealed the formation of single-phase oxides after sintering… read more here.
Keywords: flash; entropy perovskite; fabrication high; high entropy ... See more keywords
Control of experimental conditions in reaction flash-sintering of complex stoichiometry ceramics
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DOI: 10.1016/j.ceramint.2020.05.091
Abstract: Abstract The inherent potential of reaction flash-sintering for the preparation of complex oxides is evidenced by the one-step synthesis and densification of a ceramic of complex stoichiometry. The system Bi0.93La0.07FeO3, a multiferroic ceramic with promising… read more here.
Keywords: complex stoichiometry; experimental conditions; flash sintering; control experimental ... See more keywords
Liquid-phase assisted flash sintering of SiC from powder mixtures prepared by aqueous colloidal processing
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DOI: 10.1016/j.jeurceramsoc.2016.08.024
Abstract: The effects were investigated of the starting particle size (i.e., nanometer or submicrometer powders), content of Y3Al5O12 additives (YAG; in the range 5–20 wt.%), and difference of size scales between the two particle types on… read more here.
Keywords: liquid phase; sintering sic; phase assisted; flash sintering ... See more keywords
Photoemission during flash sintering: An interpretation based on thermal radiation
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DOI: 10.1016/j.jeurceramsoc.2017.03.050
Abstract: Abstract Optical emission spectra were recorded in the range 180–1700 nm during flash sintering of alumina and magnesia silicate glass-containing alumina. The collected spectra, corrected for taking care of instrumental effects, are consistent with thermal radiation… read more here.
Keywords: flash sintering; photoemission flash; thermal radiation;
Flash sintering of tricalcium phosphate (TCP) bioceramics
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DOI: 10.1016/j.jeurceramsoc.2017.08.004
Abstract: Abstract Tricalcium phosphate (β-TCP) bioceramic was consolidated by flash sintering in the present work. TCP powders were synthesized by solid-state route, starting from calcium carbonate and ammonium phosphate, and shaped into cylindrical pellets of different… read more here.
Keywords: flash sintering; tcp; phosphate tcp; tricalcium phosphate ... See more keywords
Rapid synthesis of Gd2Zr2O7 ceramics by flash sintering and its aqueous durability
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DOI: 10.1016/j.jeurceramsoc.2019.11.060
Abstract: Abstract The high radiation resistance and long time stability of Gd2Zr2O7 ceramics make it a promising candidate for high level waste (HLW) immobilization materials. In this study, single phase nanocrystalline Gd2Zr2O7 was successfully synthesized and… read more here.
Keywords: flash sintering; phase; aqueous durability; gd2zr2o7 ceramics ... See more keywords
Doping effect on the flash sintering of Y2O3: Promotion of densification and optical translucency
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DOI: 10.1016/j.jeurceramsoc.2020.06.041
Abstract: Abstract Doping effect of 1 mol% divalent, trivalent or tetravalent cations on the flash sintering of Y2O3 was investigated under DC electric fields ranged from 0 to 1000 V cm−1. The examined dopants were Mg2+,… read more here.
Keywords: flash sintering; sintering y2o3; doping effect;
Phase evolution during reactive flash sintering of Li6.25Al0.25La3Zr2O12 starting from a chemically prepared powder
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DOI: 10.1016/j.jeurceramsoc.2021.02.054
Abstract: Abstract Reactive flash sintering (RFS) of a chemically prepared multiphase precursor powder was performed to fabricate Li6.25Al0.25La3Zr2O12 (Al-LLZO) ceramics. This approach allowed for obtaining single-phase dense samples in a remarkably short processing time of 30… read more here.
Keywords: flash sintering; 25al0 25la3zr2o12; li6 25al0; reactive flash ... See more keywords
Effect of flash sintering on microstructure of Ce0.9Gd0.1O1.95 electrolyte fabricated by tape-casting
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DOI: 10.1016/j.matlet.2017.07.129
Abstract: Abstract Flash sintering technique was applied to Ce 0.9 Gd 0.1 O 1.95 (10GDC) electrolyte fabricated by tape-casting at different temperatures under various electric fields. Densification of the electrolyte at constant electric field depended mainly… read more here.
Keywords: flash; tape casting; fabricated tape; flash sintering ... See more keywords