Flash sintering of ceramics

M Biesuz, VM Sglavo - Journal of the European Ceramic Society, 2019 - Elsevier
Flash sintering is a novel densification technology for ceramics, which allows a dramatic
reduction of processing time and temperature. It represents a promising sintering route to …

Review of flash sintering: materials, mechanisms and modelling

M Yu, S Grasso, R Mckinnon… - … in Applied Ceramics, 2017 - journals.sagepub.com
Flash sintering (FS) is an energy efficient sintering technique involving electrical Joule
heating, which allows very rapid densification (< 60 s) of particulate materials. Since the first …

Ceria and its defect structure: new insights from a combined spectroscopic approach

A Filtschew, K Hofmann, C Hess - The Journal of Physical …, 2016 - ACS Publications
Ceria is an interesting component for a variety of catalytic and fuel cell applications. In the
study described here, ten different commercial ceria samples as well as synthesized ceria …

Flash sintering of ceramic materials

CEJ Dancer - Materials Research Express, 2016 - iopscience.iop.org
During flash sintering, ceramic materials can sinter to high density in a matter of seconds
while subjected to electric field and elevated temperature. This process, which occurs at …

Flash spark plasma sintering (FSPS) of α and β SiC

S Grasso, T Saunders, H Porwal… - Journal of the …, 2016 - Wiley Online Library
A novel processing methodology that allows combined preheating and Flash‐SPS (FSPS) of
silicon carbide‐based materials has been developed. Beta‐SiC (+ 10 wt% B4C) powders …

Electronic conductivity in gadolinium doped ceria under direct current as a trigger for flash sintering

TP Mishra, RRI Neto, G Speranza, A Quaranta… - Scripta Materialia, 2020 - Elsevier
In this paper, we discuss the progression of flash sintering in 10mol% gadolinium-doped
ceria specimens. Flash transition is correlated with the generation of n-type electronic …

Current-rate flash sintering of gadolinium doped ceria: microstructure and defect generation

TP Mishra, RRI Neto, R Raj, O Guillon, M Bram - Acta Materialia, 2020 - Elsevier
In current-rate flash-sintering experiments the current is injected into the specimen from the
very start and then increased at a constant rate, while the furnace is held at a constant …

Flash sintering with current rate: A different approach

P Kumar MK, D Yadav, JM Lebrun… - Journal of the American …, 2019 - Wiley Online Library
The original flash sintering experiment was carried out by applying an electric field, and
switching to current control at the onset of the flash, signaled by a rise in conductivity. Here …

In-situ observation of oxygen mobility and abnormal lattice expansion in ceria during flash sintering

SK Jha, H Charalambous, H Wang, XL Phuah… - Ceramics …, 2018 - Elsevier
Flash sintering has been shown to be an effective method of sintering for many types of
ceramics. However, the characteristics of flash sintering for each type of ceramic varies …

Oxygen mobility in pre-reduced nano-and macro-ceria with Co loading: an AP-XPS, in-situ DRIFTS and TPR study

H Sohn, G Celik, S Gunduz, D Dogu, S Zhang, J Shan… - Catalysis Letters, 2017 - Springer
The size effect of ceria nanoparticles on surface oxygen mobility and formation of surface
oxygen vacancies in ethanol steam reforming was investigated. Higher concentration of Ce …