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Article dans une revue

Surface structuring of β-TCP and transition to α-TCP induced by femtosecond laser processing

D Aceti, E Filipov, L Sotelo, T Fontanot, S Christiansen, Marie Lasgorceix, Anne Leriche, I Buchvarov, A Daskalova

Abstract Tricalcium phosphate (Ca 3 (PO 4 ) 2 , TCP), is one of the most studied and used as material for bioresorbable implants. The β phase has a slower dissolution dynamic and ensures mechanical support for a longer time in biological environment, while a faster release of ions characterize the…

Journal of Physics: Conference Series, 2023, 2487 (1), pp.012043. ⟨10.1088/1742-6596/2487/1/012043⟩. ⟨hal-04313350⟩

Article dans une revue

Stabilization Results of a Piezoelectric Beams with Partial Viscous Dampings and Under Lorenz Gauge Condition

Mohammad Akil, Abdelaziz Soufyane, Youssef Belhamadia

In this paper, we investigate the stabilization of a one-dimensional piezoelectric (Stretching system) with partial viscous dampings. First, by using Lorenz gauge con- ditions, we reformulate our system to achieve the existence and uniqueness of the solution. Next, by using General criteria of…

Applied Mathematics and Optimization, 2023, 87 (2), ⟨10.1007/s00245-022-09935-3⟩. ⟨hal-04346709⟩

Article dans une revue

Comparison of nonlinear field-split preconditioners for two-phase flow in heterogeneous porous media

Mamadou N'Diaye, Francois P. Hamon, Hamdi A. Tchelepi

This work focuses on the development of a two-step field-split nonlinear preconditioner to accelerate the convergence of two-phase flow and transport in heterogeneous porous media. We propose a field-split algorithm named Field-Split Multiplicative Schwarz Newton (FSMSN), consisting in two steps:…

Computational Geosciences, 2023, 27, ⟨10.1007/s10596-023-10200-x⟩. ⟨hal-04454790⟩

Article dans une revue

Study of neck formation and densification in porous hydroxyapatite ceramics using thermal conductivity measurements

David Stanley Smith, Pierre Lefeuvre, Maxence Renaux, Benoît Nait-Ali, Anne Leriche

Neck formation and densification during sintering have strong effects on the thermal conductivity of a porous ceramic body. This has been described by an analytical model using grain conductivity, grain size, pore fraction and particle – particle contact area as input parameters. It has been tested…

Open Ceramics, 2023, 13, pp.100329. ⟨10.1016/j.oceram.2023.100329⟩. ⟨hal-04491939⟩

Article dans une revue

Stabilization of the generalized Rao‐Nakra beam by partial viscous damping

Mohammad Akil, Zhuangyi Liu

In this paper, we consider the stabilization of the generalized Rao‐Nakra beam equation, which consists of four wave equations for the longitudinal displacements and the shear angle of the top and bottom layers and one Euler–Bernoulli beam equation for the transversal displacement. Dissipative…

Mathematical Methods in the Applied Sciences, 2023, 46 (2), pp.1479-1510. ⟨10.1002/mma.8591⟩. ⟨hal-04347014⟩

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

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

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

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⟩