Optical and mechanical properties of rutile TiO2 subjected to AC flash processing

H Masuda, T Tokunaga, T Yamamoto, H Yoshida - Scripta Materialia, 2024 - Elsevier
Unusual physical properties associated with lattice defects induced by flash sintering and
processing of oxide ceramics have attracted attentions. In this study, optical and mechanical …

Effects of incubation on microstructure gradient in flash-sintered TiO2

B Yang, XL Phuah, Z Shang, X Sheng, H Wang… - Scripta Materialia, 2022 - Elsevier
Recent studies show that flash sintering can introduce different types of defects in various
ceramics. We investigate the effects of pre-flash incubation on the microstructure of flash …

Hyperdoping: doping TiO2 beyond thermodynamic limits using Flash sintering

A Raj, SK Jha - Journal of the European Ceramic Society, 2024 - Elsevier
For the first time, it has been demonstrated that TiO 2 optical properties can be improved by
doping Fe using flash sintering. Hyperdoped TiO 2 (doped with 10 at% Fe) fabricated using …

Effects of electric field on microstructure evolution and defect formation in flash-sintered TiO2

B Yang, Z Shang, J Li, XL Phuah, J Cho… - Journal of the European …, 2022 - Elsevier
Various ceramic materials have been successfully flash sintered via mostly direct current
(DC) and some by alternative current (AC). However, a direct comparison on the effects of …

Defect structure of flash‐sintered strontium titanate

A Karakuscu, M Cologna, D Yarotski… - Journal of the …, 2012 - Wiley Online Library
Flash sintering of strontium titanate (SrTiO 3) is studied at different applied fields to
understand its effect on density and grain growth. In particular, the defect structure is …

Staged microstructural study of flash sintered titania

H Wang, XL Phuah, H Charalambous, SK Jha, J Li… - Materialia, 2019 - Elsevier
Flash sintering offers more control of microstructure owing to its additional sintering
conditions compared to conventional sintering, including electric field, current density limit …

Applying an alternating current to strontium titanate minimizes the change in oxidation state caused by flash sintering

M Seko, S Inagaki, T Tokunaga, S Kobayashi… - Journal of the European …, 2024 - Elsevier
This study estimated the amount of oxygen deficiency in SrTiO 3 polycrystals that were flash
sintered under direct current (DC) and alternating current (AC) electric fields, mainly by …

Structural and electronic transformations in TiO2 induced by electric current

TC Sterling, F Ye, S Jo, A Parulekar, Y Zhang… - Materials Today …, 2024 - Elsevier
In-situ diffuse neutron scattering experiments revealed that when electric current is passed
through single crystals of rutile TiO 2 under conditions conducive to flash sintering, it induces …

Nanoscale stacking fault–assisted room temperature plasticity in flash-sintered TiO2

J Li, J Cho, J Ding, H Charalambous, S Xue… - Science …, 2019 - science.org
Ceramic materials have been widely used for structural applications. However, most
ceramics have rather limited plasticity at low temperatures and fracture well before the onset …

Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders

S López-Blanco, X Vendrell, L Mestres… - Journal of Materials …, 2023 - pubs.rsc.org
Flash sintering is a novel sintering technique that allows high-density ceramics to be
obtained at low temperatures and using short dwell times, thus providing an energy-efficient …