Publications

• ART

Influence of a macroporous β-TCP structure on human mesenchymal stem cell proliferation and differentiation in vitro

Shaan Chamary, Liliana Grenho, Maria Helena Fernandes, Franck Bouchart, Fernando Jorge Monteiro, Jean-Christophe Hornez

This work aims at studying the links between a porous scaffold in β-TCP and its impact on cell differentiation and proliferation in vitro. β-TCP was synthesized by aqueous precipitation. The shaping methods were chosen for their ability to generate original structures with the potential to…

Open Ceramics, 2021, 7, 13 p. ⟨10.1016/j.oceram.2021.100141⟩. ⟨hal-04279666⟩

• ART

Development of calcium phosphate suspensions suitable for the stereolithography process

Chloé Goutagny, Stéphane Hocquet, Dominique Hautcoeur, Marie Lasgorceix, Nicolas Somers, Anne Leriche

With the median age of the population steadily rising, the rate of bone disorders increases as well, making the need of bone implants more and more urgent in our society. However, manufacturing of synthetic bioimplants requires high flexibility of the process and materials with sufficient…

Open Ceramics, 2021, 7, 11 p. ⟨10.1016/j.oceram.2021.100167⟩. ⟨hal-03889971⟩

• ART

Fabrication and characterization of PU/NKLNT/CFs based lead-free piezoelectric composite for energy harvesting application

Zakia Chelli, Hakim Hachour, Malika Saidi, Mourad Laghrouche, Ahcène Chaouchi, Mohamed Rguiti, Yannick Lorgouilloux, Christian Courtois

For vibration energy harvesting applications, a flexible composite material based on a polyurethane (PU) polymer matrix filled with polycrystalline particles (Na0.535K0.48)0.966 Li0.058 Nb0.9Ta0.1O3 (NKLNT) and crushed carbon fibers (CFs) has been developed by tape-casting method. NKLNT was…

Polymer-Plastics Technology and Materials, 2021, 60 (12), pp.1344-1356. ⟨10.1080/25740881.2021.1888995⟩. ⟨hal-03480434⟩

• UNDEFINED

A proof of the polynomial conjecture for induction

Jean Ludwig, Ali Baklouti, Hidenori Fujiwara

2021. ⟨hal-03318831⟩

• UNDEFINED

A proof of the polynomial conjecture for restrictions of nilpotent Lie groups representations

Jean Ludwig, Ali Baklouti, Hidenori Fujiwara

2021. ⟨hal-03318829⟩

• ART

The complete discretization of the dual mixed method for the heat diffusion equation in a polygonal domain

Luc Paquet, Réda Korikache

The purpose of this paper is to prove a priori error estimates for the completely discretized problem of the dual mixed method for the non-stationary heat diffusion equation in a polygonal domain of R2. Due to the geometric singularities of the domain, the exact solution is not regular in the…

Mathematics and Computers in Simulation, 2021, 186, pp.145-160. ⟨10.1016/j.matcom.2020.09.023⟩. ⟨hal-03722154⟩

• ART

Effect of Bi substitution on nanostructural, morphologic, and electrical behavior of nanocrystalline La1-xBixNi0.5Ti0.5O3 (x = 0 and x = 0.2) for the electrical devices

S. Gharbi, R. Dhahri, M. Rasheed, E. Dhahri, R. Barille, Mohamed Rguiti, A. Tozri, Mohamed Berber

Bi-substituted Ti–Ni perovskite of different compositions La1-xBixNi0.5Ti0.5O3 were elaborated utilizing the sol–gel method. TGA thermogravimetric and DSC calorimetric analysis was used to obtain the optimal sample formation temperature. XRD Results showing that samples have crystallized in the…

Materials Science and Engineering: B, 2021, 270, pp.115191. ⟨10.1016/j.mseb.2021.115191⟩. ⟨hal-04280938⟩

• ART

Improvement of wear and corrosion protection of PEO on AA2024 via sol-gel sealing

Luciane Sopchenski, Julien Robert, Matthieu Touzin, Arnaud Tricoteaux, Marie-Georges Olivier

Plasma electrolytic oxidation (PEO) is a versatile and cost-effective technique to obtain protective oxide coatings in light metals, although its intrinsic porosity is a drawback for long-term corrosion resistance. Sol-gel layers are pointed as a useful tool to seal PEO porosity and increase its…

Surface and Coatings Technology, 2021, Surface and Coatings Technology, 417, 11 p. ⟨10.1016/j.surfcoat.2021.127195⟩. ⟨hal-03219885⟩

• THESE

Etude des propriétés piézoélectriques du polymère biosourcé PLA pour la récupération d'énergie vibratoire, Piezoelectric properties of biobased poly(L-lactide)stretched films for energy harvesting applications

Mohamed Aymen Ben Achour

La potentialité des films PLA produits par extrusion et étirés uniaxialement par MDO à partir des grades industriels a été investiguée pour la récupération d’énergie vibratoire par effet piézoélectrique. Une technique de caractérisation du coefficient piézoélectrique plus adaptée aux films…, The potentiality of PLA films produced by extrusion and uniaxial stretching by MDO of industrial grades has been investigated for the energy harvesting by piezoelectric transformation. A piezoelectric coefficient characterization technique suitable for polymer films was tested and validated on a…

Matériaux. Université Polytechnique Hauts-de-France, 2021. Français. ⟨NNT : 2021UPHF0025⟩. ⟨tel-03696709⟩

• COUV

New Developments and Biomaterials in Reconstruction of Defects of the Alveolar Ridge in Implant Surgery: Part 1—Biomaterials

Thomas Wojcik, Vincent Hornez, Jean-Christophe Hornez, Joël Ferri

Bone is a tissue that has the ability of self-regeneration leading this healing process in most of the cases to a fully morphologic and functional regeneration. However, in some situations, its healing capabilities can be surpassed, and bone grafts are frequently required for implant surgery.…

Innovations and New Developments in Craniomaxillofacial Reconstruction, Springer International Publishing, pp.13-20, 2021, 978-303074322-2. ⟨10.1007/978-3-030-74322-2_2⟩. ⟨hal-04475371⟩