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FAST/Flash: A combination of FAST/SPS and flash sintering

, 2017
FAST/SPS and flash sintering, besides exhibiting fast and non-linear consolidation behavior resulting into new material's properties, flash sintering so far is applied to green bodies only.
Räthel, Jan, Herrmann, Mathias, Hennicke, Jürgen, Kirchner, René   +3 more
openaire   +2 more sources

Pressureless flash sintering of α-SiC: Electrical characteristics and densification

Acta Materialia, 2022
The application of an electric field over a ceramic powder compact at elevated temperatures gives rise to “flash sintering”. The phenomenon occurs at a critical combination of field and temperature, which leads to a rapid increase in the electric power ...
Andrew Gibson, Yinsheng Li, Ruy S Bonilla   +2 more
exaly   +5 more sources

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On the confluence of ultrafast high‐temperature sintering and flash sintering phenomena

Journal of the American Ceramic Society, 2023
Abstract Ultrafast high‐temperature sintering (UHS) and flash sintering are novel methods for rapid sintering of ceramics, often completed in just a few seconds. Here, we show that both also share two additional features: an abrupt rise in electrical conductivity, which is electronic, and electroluminescence.
Raj, Rishi, Wolf, Dietrich, Yamada, Carolina N., Jha, Shikhar K., Lebrun, Jean-Marie   +4 more
openaire   +2 more sources

Ceria-Based Nanoceramics by Flash Sintering

Advanced Science Letters, 2017
Ceria-based ceramics can be considered the most promising solid electrolyte materials for Intermediate Temperature Solid Oxide Fuel Cells (IT-SOFCs). In this work, nanocrystalline ceria nanopowders doped with 10 mol% gadolinium or 10 mol% samarium were synthesized by co-precipitation using ammonia solution as precipitating agent.
Spiridigliozzi, L., Biesuz, M., Dell’Agli, G., Di Bartolomeo, E., Sglavo, V. M.   +4 more
openaire   +5 more sources

Electrical characteristics of flash sintering: thermal runaway of Joule heating

Journal of the European Ceramic Society, 2015
Flash sintering occurs when an electric field is applied to a heated ceramic powder compact. At a critical combination of field and temperature, a power surge occurs (the "flash event") and sintering takes place in a few seconds.
Richard I Todd, Eugenio Zapata-Solvas, Ruy S Bonilla   +2 more
exaly   +3 more sources

Microstructure evaluation of 3YSZ sintered by Two-Step Flash Sintering

Ceramics International, 2021
Abstract Flash Sintering (FS) is an energy-efficient sintering technique, which allows a considerable reduction in processing time and temperature. However, a recurring problem of flash sintered samples is the microstructural heterogeneity, which occurs mostly on samples with a high surface-to-volume ratio (e.g., cylindrical samples). Thus, aiming to
Isabela R. Lavagnini, João V. Campos, Eliria M.J.A. Pallone   +2 more
openaire   +1 more source

Flash sintering of potassium-niobate

Journal of the European Ceramic Society, 2015
Abstract The challenge in creating stable and dense KNbO 3 ceramics is suppressing the K 2 O volatility that occurs at elevated temperature and avoiding the formation of unwanted phases. This challenge could be addressed by applying a field-assisted sintering technique.
Neta Shomrat, Sioma Baltianski, Clive A. Randall, Yoed Tsur   +3 more
openaire   +1 more source

Flash sintering of barium titanate

Ceramics International, 2019
Abstract A novel technique of low temperature and fast sintering is expected to meet the productive requirements of reducing energy consumption and improving efficiency. In this work, a dense Nb-doped BaTiO3 ceramic is obtained by a sintering method applying a direct current electrical field of 140 V cm−1 for 30 s at 1055 °C. In particular, the rapid
Ruike Shi, Yongping Pu, Wen Wang, Yu Shi, Jingwei Li, Xu Guo, Mengdie Yang   +6 more
openaire   +1 more source

Predicting the Onset of Flash Sintering

Journal of the American Ceramic Society, 2015
Analyzing the temperature trajectory during flash sintering, this study demonstrates that Joule heating alone is responsible for thermal runaway that is the most likely cause for rapid densification. The calculated onset temperature T on is in good agreement with the ...
Yanhao Dong, I.‐Wei Chen
openaire   +1 more source

Pulsed electrodischarged pressure sintering and flash sintering, a review

Materials Today: Proceedings, 2019
Abstract Electric current activated/assisted sintering (ECAS) is a growing class of versatile techniques for sintering particulate materials. Nowadays, most of the scientific attention is focused on pulsed electric current sintering known as spark plasma sintering (SPS).
Yoshio Sakka, Salvatore Grasso
openaire   +1 more source