Synthesis of high-density pellets of uranium dioxide by spark plasma sintering in dies of different types

EK Papynov, OO Shichalin, AY Mironenko, AV Ryakov… - Radiochemistry, 2018 - Springer
A procedure for electric pulse consolidation of commercial UO 2 powders of various ceramic
grades into high-density fuel pellets using dies of various types was studied. The influence …

Estimation of road adhesion coefficient based on tire aligning torque distribution

B Ma, C Lv, Y Liu, M Zheng… - Journal of …, 2018 - asmedigitalcollection.asme.org
Road adhesion coefficient is an important parameter in vehicle active safety control system.
Many researchers estimate road adhesion coefficient by total tire self-aligning torque (SAT …

Spark Plasma Sintering of Special-Purpose Functional Ceramics Based on UO2, ZrO2, Fe3O4/α-Fe2O3

EK Papynov, OO Shichalin, MA Medkov… - Glass Physics and …, 2018 - Springer
The possibilities of creating special-purpose ceramics by the spark plasma sintering (SPS)
according to the principle of the low-voltage electro-pulse consolidation of powders under …

Preparation of bulk‐nanostructured UO2 pellets using high‐pressure spark plasma sintering for LWR fuel safety assessment

V Tyrpekl, M Cologna, JF Vigier… - Journal of the …, 2017 - Wiley Online Library
Nuclear fuel undergoes a significant restructuration during its lifetime in the nuclear reactor.
Especially at the rim of the pellet, large UO 2 grains disintegrate into a nanosized material. In …

On the Role of the Electrical Field in Spark Plasma Sintering of UO2+x

V Tyrpekl, M Naji, M Holzhäuser, D Freis, D Prieur… - Scientific Reports, 2017 - nature.com
The electric field has a large effect on the stoichiometry and grain growth of UO2+ x during
Spark Plasma Sintering. UO2+ x is gradually reduced to UO2. 00 as a function of sintering …

Progress and challenges in the synthesis of AlON ceramics by spark plasma sintering

X Li, J Huang, J Luo - Transactions of the Indian Ceramic Society, 2017 - Taylor & Francis
ABSTRACT γ-aluminium oxynitride (AlON) has an excellent thermal and chemical stability,
which makes AlON an attractive candidate for a wide range of applications. Production of …

[HTML][HTML] Single-step, high pressure, and two-step spark plasma sintering of UO2 nanopowders

E De Bona, L Balice, L Cognini, M Holzhäuser… - Journal of the European …, 2021 - Elsevier
Three different spark plasma sintering (SPS) treatments were applied to highly sinteractive,
near-stoichiometric UO 2.04 nanocrystalline (5 nm) powders produced by U (IV) oxalate …

Densification mechanisms of UO2 consolidated by spark plasma sintering

L Balice, M Cologna, F Audubert… - Journal of the European …, 2021 - Elsevier
Despite the growing interest in the spark plasma sintering (SPS) of uranium dioxide, its
sintering mechanisms have yet to be studied in great detail. Herein we propose a direct …

[HTML][HTML] Spark plasma sintering of UO2 nanopowders: Pressure, heating rate and current effects

A Margueret, L Balice, K Popa, M Holzhäuser… - Journal of the European …, 2022 - Elsevier
We analysed with different methods the densification of UO 2 nanopowders in SPS under
constant heating rate (CHR) and isothermal sintering conditions. The apparent activation …

Fabrication of UN-Mo CERMET nuclear fuel using advanced manufacturing techniques

AM Raftery, RL Seibert, DR Brown… - Nuclear …, 2021 - Taylor & Francis
Ceramic-metallic nuclear fuels are a candidate fuel for nuclear thermal propulsion systems
due to their high heat transport properties, which are necessary in very high-temperature …