In-situ 3D X-ray investigation of ceramic powder sintering at the particle length-scale

AM Venkatesh, D Bouvard, P Lhuissier, J Villanova… - Ceramics …, 2024 - Elsevier
We report an in-situ investigation of a high-temperature ceramic powder sintering performed
for the first time at the particle length-scale. This was made possible by the phase-contrast X …

3D analysis of ceramic powder sintering by synchrotron X-ray nano-tomography

AM Venkatesh, D Bouvard, P Lhuissier… - Journal of the European …, 2023 - Elsevier
In-depth investigation of the sintering phenomena in ceramic powders remains challenging,
with the typical size of the individual particles being around 1 µm or less, ie, at the resolution …

Microstructural evolution during sintering of copper particles studied by laboratory diffraction contrast tomography (LabDCT)

SA McDonald, C Holzner, EM Lauridsen, P Reischig… - Scientific Reports, 2017 - nature.com
Pressureless sintering of loose or compacted granular bodies at elevated temperature
occurs by a combination of particle rearrangement, rotation, local deformation and diffusion …

Evolution of porosity and geometrical quality through the ceramic extrusion additive manufacturing process stages

K Rane, S Petrò, M Strano - Additive Manufacturing, 2020 - Elsevier
Abstract Ceramic Extrusion Additive Manufacturing (CEAM) enables the die-less fabrication
of small ceramic parts, with a process chain that includes four consecutive stages: the 3D …

3D multiscale-imaging of processing-induced defects formed during sintering of hierarchical powder packings

G Okuma, S Watanabe, K Shinobe, N Nishiyama… - Scientific Reports, 2019 - nature.com
The characterization of the processing-induced defects is an essential step for developing
defect-free processing, which is important to the assurance of structural reliability of brittle …

Synchrotron X‐ray multiscale tomography: Visualization of heterogeneous microstructures and defects in ceramics

G Okuma, F Wakai - Journal of the American Ceramic Society, 2024 - Wiley Online Library
Synchrotron X‐ray multiscale tomography is a three‐dimensional (3D) imaging method that
combines microtomography and nanotomography to perform a high spatial resolution …

Microstructure evolution during the co-sintering of Ni/BaTiO3 multilayer ceramic capacitors modeled by discrete element simulations

Z Yan, CL Martin, O Guillon, D Bouvard… - Journal of the European …, 2014 - Elsevier
Electrode discontinuities are a critical issue for manufacturing ultrathin multilayer ceramic
capacitors (MLCCs). The Discrete Element Method is used to simulate, at the particle length …

Processing and properties of highly porous Ti6Al4V mimicking human bones

JL Cabezas-Villa, L Olmos, D Bouvard… - Journal of Materials …, 2018 - cambridge.org
Ti6Al4V alloy samples with large pores suitable for bone implants are fabricated by pressing
and sintering. Ti6Al4V powder is mixed with different volume fractions of salt particles. The …

[HTML][HTML] Development of Tailored Porous Ti6Al4V Materials by Extrusion 3D Printing

L Olmos, AS González-Pedraza… - Materials, 2025 - mdpi.com
Nowadays, metallic bone replacement is in high demand due to different issues, like
sicknesses and accidents. Thus, bone implants are fabricated with tailored properties and …

Factors influencing particle agglomeration during solid-state sintering

C Wang, SH Chen - Acta Mechanica Sinica, 2012 - Springer
Discrete element method (DEM) is used to study the factors affecting agglomeration in three-
dimensional copper particle systems during solid-state sintering. A new parameter is …