Results 21 to 30 of about 2,941 (231)

Effect of the Al2O3 content on the microstructure evolution of flash-sintered Al2O3–8YSZ ceramics

open access: yesOpen Ceramics, 2023
Systematic explorations of complex insulator–conductor composites may help in better comprehending the nature of flash sintering. In this study, flash sintering of alumina–8 mol% yttria stabilized zirconia (Al2O3–8YSZ) binary system with different mixing
Shu Yao   +4 more
doaj   +1 more source

A Mathematical Model for Flash Sintering [PDF]

open access: yesMathematical Modelling of Natural Phenomena, 2015
14 pages, 9 ...
Hewitt, I. J., Lacey, A. A., Todd, R. I.
openaire   +2 more sources

Review of flash sintering with strong electric field

open access: yesHigh Voltage, 2022
Flash sintering is a novel field‐assisted sintering technology for ceramics that allows a dramatic reduction in processing time and temperature. Since 2010, when flash sintering was first reported, it has been a focus of research interest in the field of
Hongyang Zhou   +8 more
doaj   +1 more source

Sintering of mixed Ca–K–Na phosphates: Spark plasma sintering vs flash-sintering

open access: yesOpen Ceramics, 2021
A comparison between different field-assisted sintering methods (FAST), namely Spark Plasma Sintering (SPS) and flash-sintering (FS), is reported for calcium and alkaline phosphates especially with regards to their microstructure. A reduced average grain
N. Orlov   +8 more
doaj   +1 more source

Flash sintering incubation kinetics [PDF]

open access: yesnpj Computational Materials, 2020
AbstractThe microstructural mechanisms leading to onset of the flash sintering are demonstrated experimentally and theoretically for Yttria Stabilized Zirconia, YSZ. Three regimes leading to flash event are identified: (1) Radiation-dominated regime, where the oven controls the heating of the sintered sample, and a small subset of particle-particle ...
K.S.N. Vikrant   +4 more
openaire   +1 more source

A novel two-step field-assisted sintering method to prepare (MgCoNiCuZn)O high entropy oxide

open access: yesJournal of Materials Research and Technology, 2023
A two-step sintering experiment of (MgCoNiCuZn)O high entropy oxide was performed to lower the flash onset temperature and shorten the process time. The flash onset temperature was efficiently minimized by regulating the first step heating process due to
Yipeng Zhao   +6 more
doaj   +1 more source

Mechanisms of Flash Sintering in Cubic Zirconia

open access: yes, 2013
The recently discovered flash sintering technique has shown that the application of a sufficiently large dc electric field (E-field) to a ceramic during sintering can cause sintering at temperatures several hundred degrees below conventional temperatures with sintering rates that allow for sintering in seconds rather than hours.
Downs, John Axel
openaire   +2 more sources

High‐performance ZnO varistor ceramics prepared by arc‐induced flash sintering with low energy consumption at room temperature

open access: yesHigh Voltage, 2022
The development of ultra‐high voltage transmission lines requires a ZnO arrester with excellent electrical response and high voltage gradient. Compared with conventional preparation methods, flash sintering allows fast production of novel high ...
Angxuan Wu   +8 more
doaj   +1 more source

Flash sintering in metallic ceramics: finite element analysis of thermal runaway in tungsten carbide green bodies

open access: yesJournal of Materials Research and Technology, 2023
Flash sintering is a powerful tool for the ultrarapid consolidation of green ceramic compacts, although its activation mechanisms in electrically conductive PTC (Positive Temperature Coefficient for resistivity) materials' is poorly understood.
Isacco Mazo   +4 more
doaj   +1 more source

Flash phenomena in lime-stabilised zirconia oxide ion conductor

open access: yesEnergy Reports, 2020
Flash sintering is a novel technique that allows a decrease in the sintering time (from hours to seconds) and furnace temperature for the densification of ceramics.
Julia Ramírez-González   +1 more
doaj   +1 more source

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