Search Results - "Delette, Gérard"

Designing size-controlled air cavities to reduce iron losses of 3D printed ferromagnetic parts: Modelling and experimental results by Croset, Guillaume, Soupremanien, Ulrich, Baffie, Thierry, Delette, Gérard

“…•Eddy current losses were modeled in ferromagnetic torus with air cavities.•Results highlight the dependence of losses on eddy current path length.•Good…”
Get full text

Multi-scale 3D imaging of absorbing porous materials for solid oxide fuel cells by Villanova, Julie, Cloetens, Peter, Suhonen, Heikki, Laurencin, Jérôme, Usseglio-Viretta, François, Lay, Elisa, Delette, Gérard, Bleuet, Pierre, Jauffrès, David, Roussel, Denis, Lichtner, Aaron Z., Martin, Christophe Louis

“…The performance of advanced functional materials for fuel cell applications are closely linked to the material composition and morphology at the micro and…”
Get full text

Elasticity and strength of partially sintered ceramics by Liu, Xiaoxing, Martin, Christophe L., Delette, Gérard, Bouvard, Didier

“…A discrete element model for the elastic and fracture behavior of partially sintered ceramics is presented. It accounts for the granular character of the…”
Get full text

Nd$_2$Fe$_{14}$B permanent magnets substituted with non-critical light rare earth elements (Ce, La): A review by Delette, Gérard

“…The growing demand in high performance Nd-Fe-B permanent magnets, driven by emerging key technologies, notably vehicles electrification and wind turbines,…”
Get full text

Thermal Management Design of Transformers for Dual Active Bridge Power Converters by Delette, Gerard, Soupremanien, Ulrich, Loudot, Serge

“…A methodology for the design of compact transformers operating at high frequency is presented in this article. A particular emphasis is paid to the thermal…”
Get full text

3D phase mapping of solid oxide fuel cell YSZ/Ni cermet at the nanoscale by holographic X-ray nanotomography by Villanova, Julie, Laurencin, Jérôme, Cloetens, Peter, Bleuet, Pierre, Delette, Gérard, Suhonen, Heikki, Usseglio-Viretta, François

“…SOFC electrochemical performances are strongly dependent on the micro and nanostructure of the electrodes. 3D image analysis is an essential tool to…”
Get full text

Microstructure of porous composite electrodes generated by the discrete element method by Liu, Xiaoxing, Martin, Christophe L., Delette, Gérard, Laurencin, Jérome, Bouvard, Didier, Delahaye, Thibaud

“…Typical microstructures of LSM/YSZ, NiO/YSZ, Ni/YSZ composite electrodes are simulated by the discrete element method. The numerical microstructures are…”
Get full text

Study of magnetic properties of NiZnCu ferrite synthesized by Pechini method and solid-state reactions by Frajer, Gaëlla, Salaün, Mathieu, Delette, Gérard, Chazal, Hervé, Isnard, Olivier

“…Ni-Zn-Cu ferrites are exhibiting excellent magnetic properties at large frequencies and are consequently produced as low-loss magnetic materials used for…”
Get full text

3D chemical imaging based on a third-generation synchrotron source by Bleuet, Pierre, Gergaud, Patrice, Lemelle, Laurence, Bleuet, Pierre, Tucoulou, Rémi, Cloetens, Peter, Susini, Jean, Delette, Gérard, Simionovici, Alexandre

“…Data acquisition and reconstruction for tomography have been extensively studied for the past 30 years, mainly for medical diagnosis and non-destructive…”
Get full text

Discrete Element Simulations of the Compaction of Aggregated Ceramic Powders by Martin, Christophe L., Bouvard, Didier, Delette, Gérard

“…The compaction behavior of aggregated ceramic powders is investigated using the discrete element method (DEM). We use specific contact forces that represent…”
Get full text

Strength of Highly Porous Ceramic Electrodes by Liu, Xiaoxing, Martin, Christrophe L., Bouvard, Didier, Di Iorio, Stéphane, Laurencin, Jérome, Delette, Gérard

“…Highly porous ceramics are critical components of Solid Oxide Fuel Cells. Nevertheless, their mechanical properties are poor and not fully understood. Herein,…”
Get full text

Green strength of binder-free ceramics by Pizette, Patrick, Martin, Christophe L., Delette, Gérard, Sans, Florence, Geneves, Thomas

“…The Discrete Element Method (DEM) is used to investigate the compaction of ceramic powders by focusing on the role of primary particle and aggregate sizes…”
Get full text

Microstructural correlations for specific surface area and triple phase boundary length for composite electrodes of solid oxide cells by Moussaoui, H., Sharma, R.K., Debayle, J., Gavet, Y., Delette, G., Laurencin, J.

“…The performances of Solid Oxide Cells (SOCs) are controlled by key microstructural properties such as the density of Triple Phase Boundary lengths (TPBl) and…”
Get full text

Stochastic geometrical modeling of solid oxide cells electrodes validated on 3D reconstructions by Moussaoui, H., Laurencin, J., Gavet, Y., Delette, G., Hubert, M., Cloetens, P., Le Bihan, T., Debayle, J.

“…An original 3D stochastic model, based on the truncated plurigaussian random fields, has been adapted to simulate the complex microstructure of SOC electrodes…”
Get full text

Corrigendum to ‘3D phase mapping of solid oxide fuel cell YSZ/Ni cermet at the nanoscale by holographic X-ray nanotomography’ by Villanova, Julie, Laurencin, Jérôme, Cloetens, Peter, Bleuet, Pierre, Delette, Gérard, Suhonen, Heikki, Usseglio-Viretta, François

Get full text

Quantitative microstructure characterization of a Ni–YSZ bi-layer coupled with simulated electrode polarisation by Usseglio-Viretta, F., Laurencin, J., Delette, G., Villanova, J., Cloetens, P., Leguillon, D.

“…Microstructure of a cermet Ni–YSZ bi-layer is analysed on the basis of three dimensional reconstructions obtained on both functional layer and cell support…”
Get full text

Effect of residual stresses on the propagation of interface cracks between dissimilar brittle materials: Contribution of two and three-dimensional analyses by Delette, G., Laurencin, J., Murer, S., Leguillon, D.

“…A methodology is proposed to assess the contribution of residual stresses to the debonding risk in multilayers used as cells for energy conversion at elevated…”
Get full text

3D chemical imaging based on a third-generation synchrotron source : Analytical applications of synchrotron radiation by BLEUET, Pierre, LEMELLE, Laurence, TUCOULOU, Rémi, GERGAUD, Patrice, DELETTE, Gérard, CLOETENS, Peter, SUSINI, Jean, SIMIONOVICI, Alexandre

Get full text

Characterisation of Solid Oxide Fuel Cell Ni–8YSZ substrate by synchrotron X-ray nano-tomography: from 3D reconstruction to microstructure quantification by Laurencin, J., Quey, R., Delette, G., Suhonen, H., Cloetens, P., Bleuet, P.

“…► Hard X-ray nano-tomography has been used to investigate the microstructure of Ni–8YSZ substrate. ► A large reconstruction of 42 μm × 42 μm × 105 μm has been…”
Get full text

Modelling of solid oxide steam electrolyser: Impact of the operating conditions on hydrogen production by Laurencin, J., Kane, D., Delette, G., Deseure, J., Lefebvre-Joud, F.

“…A 2D multi-physic in-house-model has been developed to analyse the performances of Solid Oxide Electrolysis Cell (SOEC) stack. This model encompasses a…”
Get full text