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Article dans une revue

How are alkali-activated materials impacted by incorporating low viscosity organic liquids?

Charles Reeb, Catherine A. Davy, Matthieu de Campos, Jérôme Hosdez, Christel Pierlot, Cyrille Albert-Mercier, David Lambertin

This research determines an adequate alkali-activated material (AAM) for the incorporation of huge amounts (20 or 40% vol) of low viscosity organic liquids (LVOL), e.g. for waste stabilization/solidification. The selected AAM are either based on high-Ca content blast furnace slag, or on low Ca-...

Materials and structures, 2023, 56 (1), pp.11. ⟨10.1617/s11527-022-02089-2⟩. ⟨hal-04491967⟩

Article dans une revue

Shear Piezoelectricity of Poly(L-lactide) Films Manufactured by Extrusion–Orientation: An Insight on Process–Structure–Property Relationships

Mohamed Aymen Ben Achour, Sophie Barrau, Jean-François Tahon, Mohamed Rguiti, Christian Courtois, Birgit Stubbe, Jean-Marie Raquez, Marie-France Lacrampe, Cédric Samuel

Shear piezoelectric properties of uniaxially stretched poly(l-lactide) (US-PLA) films manufactured by an industrially relevant technique (i.e., extrusion–orientation without poling) are investigated, and specific insight on the process–structure–properties relationships is provided. Two...

ACS Applied Polymer Materials, 2023, 5 (12), pp.9761 - 9775. ⟨10.1021/acsapm.3c01419⟩. ⟨hal-04323414⟩

Article dans une revue

Goal-oriented error estimation based on equilibrated flux and potential reconstruction for the approximation of elliptic and parabolic problems

Emmanuel Creusé, Serge Nicaise, Zuqi Tang

We present a unified framework for goal-oriented estimates for elliptic and parabolic problems that combines the dual-weighted residual method with equilibrated flux and potential reconstruction. These frameworks allow to analyze simultaneously different approximation schemes for the space...

Computers & Mathematics with Applications, 2023, 146, pp.323-338. ⟨10.1016/j.camwa.2023.07.008⟩. ⟨hal-03719266v2⟩

Article dans une revue

Effects of Reaction Parameters on the Geometry and Crystallinity of Hydrothermally Synthesized ZnO Nanorods for Bio-Fouling Applications

Abderrahmane Hamdi, Chin Sing Lim, Mohamed Aymen Ben Achour, Ali Ahmed Alshehri, Mervat Alamri, D. Deresmes, Serena Lay-Ming Teo, Denis Remiens, El Hadj Dogheche

In this present work, we have successfully synthesized vertical aligned ZnO nanorod arrays (ZnO NRs) on conductive stainless-steel substrate. These ZnO NRs were obtained by using a low temperature, low cost, and eco-friendly hydrothermal approach. The effect of the sol-gel deposited ZnO seed layer...

Coatings, 2023, This article belongs to the Special Issue Deposition and Applications of Protective Films and Coatings, 13 (1), pp.200. ⟨10.3390/coatings13010200⟩. ⟨hal-03952029⟩

Article dans une revue

Mg2+, Sr2+, Ag+, and Cu2+ co-doped beta-tricalcium phosphate: Improved thermal stability and mechanical and biological properties

Nicolas Somers, Florian Jean, Marie Lasgorceix, Giovanni Urruth, Sandra Balvay, Claire Gaillard, Laurent Gremillard, Anne Leriche

β-tricalcium phosphate (β-TCP, β-Ca3(PO4)2) is an attractive biomaterial for bone repair applications. However, its sintering and mechanical properties are limited by a problematic phase transition to α-TCP. Cationic doping of β-TCP is able to postpone the formation of α-TCP allowing higher...

Journal of the American Ceramic Society, 2023, 106 (7), pp.4061-4075. ⟨10.1111/jace.19093⟩. ⟨hal-04103197⟩

Article dans une revue

Morphological, piezoelectric and dielectric properties of piezoelectric lead-free ceramic Bi4Ti3O12 for energy harvesting applications: milling process effects

Meryiem Derraz, Chouaib Ennawaoui, Mohamed Aymen Ben Achour, Abdelowahed Hajjaji, El Mehdi Laadissi, Younes Chhiti, Az Eddine Azim, Charafeddine Jama

A lead-free piezoelectric ceramic, Bismuth titanate (Bi4Ti3O12), is synthesized as an environmentally friendly alternative to the commonly used Lead Zirconate Titanate (PZT). This study focuses on investigating the effects of processing conditions on the morphological and structural properties of...

Matériaux et Techniques, 2023, Matériaux & Techniques, 111 (5-6), pp.502. ⟨10.1051/mattech/2024005⟩. ⟨hal-04526617⟩

Article dans une revue

Fabrication of doped β-tricalcium phosphate bioceramics by Direct Ink Writing for bone repair applications

Nicolas Somers, Florian Jean, Marie Lasgorceix, Nicolas Preux, Cathy Delmotte, Laurent Boilet, Fabrice Petit, Anne Leriche

β-tricalcium phosphate (β-TCP, β-Ca3(PO4)2) is one of the most attractive biomaterials for bone regeneration and β-TCP macroporous scaffolds are very promising for both cell proliferation and mechanical support. The Additive Manufacturing (AM) process called Direct Ink Writing (DIW), based on the...

Journal of the European Ceramic Society, 2023, ⟨10.1016/j.jeurceramsoc.2022.10.018⟩. ⟨hal-03820943⟩

Article dans une revue

Effect of dimensional variations on the manufacturing process and the 3D shrinkage ratio of stereolithographic dental alumina ceramics.

Corentin Denis, Lieven Robberecht, Jérôme Delattre, Etienne Deveaux, Jean-Christophe Hornez, Marion Dehurtevent

The purpose of the present study was to evaluate the influence of height and length variations of alumina ceramics manufactured by stereolithography on deformations caused by the manufacturing process and on the 3D shrinkage ratio to control the final dimensions and improve the adaptation of...

Dental Materials Journal, 2023, Dental Materials Journal, ⟨10.4012/dmj.2022-102⟩. ⟨hal-04191001⟩

Article dans une revue

Improvement of Metal-Doped β-TCP Scaffolds for Active Bone Substitutes via Ultra-Short Laser Structuring

Íris Soares, Lamborghini Sotelo, Ina Erceg, Florian Jean, Marie Lasgorceix, Anne Leriche, Maja Dutour Sikirić, Katarina Marušić, Silke Christiansen, Albena Daskalova

Various efforts have been made to develop antibacterial biomaterials capable of also sustaining bone remodulation to be used as bone substitutes and reduce patient infection rates and related costs. In this work, beta-tricalcium phosphate (β-TCP) was chosen due to its known biocompatibility and use...

Bioengineering, 2023, 10 (12), pp.1392. ⟨10.3390/bioengineering10121392⟩. ⟨hal-04414994⟩

Article dans une revue

Humidity sensing properties of (Na0.5Bi0.5)0.94Ba0.06 TiO3 lead-free ferroelectrics ceramics

Sadia Kennour, Nouara Lamrani, Ahcène Chaouchi, Yannick Lorgouilloux, Mohamed Rguiti, Christian Courtois

In this study, the humidity detection properties of the ceramic with composition (Na0.5Bi0.5)0.94Ba0.06TiO3, noted (NBT-06BT), were investigated. The NBT-06BT ceramic was synthesized by the semi-solid method and characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The...

Science of Sintering, 2023, 55 (3), pp.339-351. ⟨10.2298/SOS221014015K⟩. ⟨hal-04279102⟩