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Affichage de 401 à 410 sur 1021

Article dans une revue

Using PVDF piezoelectric polymers to maximize power harvested by mechanical structure

Adil Eddiai, Mounir Meddad, Rida Farhan, M’hammed Mazroui, Mohamed Rguiti, D. Guyomar

In recent years, electroactive materials have attracted interest due to its applications in energy harvesting owing to piezoelectric nature. The energy harvesting with these PVDF piezoelectric polymers have great potential to remote applications such as in vivo sensors, embedded micro-electro-...

Superlattices and Microstructures, 2019, 127, pp.20-26. ⟨10.1016/j.spmi.2018.03.044⟩. ⟨hal-02166699⟩

Article dans une revue

Design hybridization system of TEG/PZT for power generation: Modelling and experiments

Mounir Meddad, Adil Eddiai, Rida Farhan, Seddik Benahadouga, M’hammed Mazroui, Mohamed Rguiti

Energy harvesting aims to feed portable or fix electrical appliances that can be communicated in order to make them energetically autonomous. This Self-powered is more envisageable as the new electronic technologies available are sober in energy. This study focuses on the generation of electrical...

Superlattices and Microstructures, 2019, 127, pp.86-92. ⟨10.1016/j.spmi.2018.03.007⟩. ⟨hal-03478758⟩

Article dans une revue

Evaluation of performance of polyamide/lead zirconate titanate composite for energy harvesters and actuators

Rida Farhan, Mohamed Rguiti, Adil Eddiai, M’hammed Mazroui, Mounir Meddad, Christian Courtois

By means of experimental tools, we have studied the effect of lead zirconate titanate volume fraction introduced in polyamide-6/lead zirconate titanate composites on dielectric, piezoelectric, mechanical, and structural properties. As the first result, we found that the insertion of lead zirconate...

Journal of Composite Materials, 2019, 53 (3), pp.345-352. ⟨10.1177/0021998318783324⟩. ⟨hal-03080537⟩

Article dans une revue

Control of the radiative heating of a semi-transparent body

Hawraa Nabolsi, Luc Paquet, Ali Wehbe

In a preceding paper, we have studied the radiative heating of a semi-transparent body Ω (e.g., glass) by a black radiative source S surrounding it, black source at absolute uniform temperature u(t) at time t between time 0 and time tf, the final time of the radiative heating. This problem has been...

Zeitschrift für Angewandte Mathematik und Physik = Journal of Applied mathematics and physics = Journal de mathématiques et de physique appliquées, 2019, 70 (1), 33 p. ⟨10.1007/s00033-018-1059-x⟩. ⟨hal-03166346⟩

Article dans une revue

Three-dimensional CR submanifolds of the nearly Kähler $$\mathbb {S}^3\times \mathbb {S}^3$$

Miroslava Antić, Nataša Djurdjević, Marilena Moruz, Luc Vrancken

It is known that there exist only four six-dimensional homogeneous non-Kähler, nearly Kähler manifolds: the sphere S6, the complex projective space CP3, the flag manifold F3 and S3×S3. So far, most of the results about submanifolds have been obtained when the ambient space is the nearly Kähler S6....

Annali di Matematica Pura ed Applicata, 2019, 198 (1), pp.227-242. ⟨10.1007/s10231-018-0770-8⟩. ⟨hal-03722186⟩

Article dans une revue

Micropatterning of beta tricalcium phosphate bioceramic surfaces, by femtosecond laser, for bone marrow stem cells behavior assessment

Marie Lasgorceix, Cédric Ott, Laurent Boilet, Stéphane Hocquet, Anne Leriche, Asadian Mahtab, Nathalie De Geyter, Heidi Declercq, Véronique Lardot, Francis Cambier

The bioactivity of synthetic bone implants is highly impacted by their surface topography, especially by the presence of micro-patterns likely to generate cells growth guidance. In this study, laser machining technology was employed in order to produce controlled regular micro-patterns on dense...

Materials Science and Engineering: C, 2019, 95, pp.371-380. ⟨10.1016/j.msec.2018.03.004⟩. ⟨hal-03478975⟩

Poster de conférence

Développement de capteurs interdigités conformables pour le contrôle non destructif de structures

Marc Duquennoy, Mohammadi Ouaftouh, Rafatou Takpara, Christian Courtois, Mohamed Rguiti, Maurice Gonon

Ce travail porte sur la réalisation de capteurs interdigités (IDT) de type SAW (Surface Acoustic Wave) destinés au contrôle santé des structures. L’enjeu est double puisqu'il s'agit premièrement de disposer de capteurs efficaces pour générer des ondes acoustiques de surface afin de...

8ème Colloque Interdisciplinaire en Instrumentation, C2I 2019, Jan 2019, Talence, France. , pp.45-60. ⟨hal-03594978⟩

Communication dans un congrès

Développement de capteurs acoustiques à ondes de surface pour le monitoring des structures en béton

Marc Duquennoy, Saliou Ndao, Christian Courtois, Mohammadi Ouaftouh, Mohamed Rguiti, Nikolay Smagin, Frédéric Rivart, Maurice Gonon, Gregory Martic, Christine Pelegris, Frédéric Jenot

Exploitées depuis des années pour la réalisation de filtres électroniques et notamment dans nos téléphones portables, les ondes acoustiques de surface, SAW (Surface Acoustic Wave) sont également utilisées dans des capteurs pour détecter des gaz, des polluants ou des pressions dans les pneumatiques...

8ème Colloque Interdisciplinaire en Instrumentation, C2I 2019, Jan 2019, Talence, France. pp.190-195. ⟨hal-03594442⟩

Chapitre d'ouvrage

Oxynitride Glasses for Potential Biomedical Usage

Stuart Hampshire, Ahmed Bachar, Cyrille Albert-Mercier, Arnaud Tricoteaux, Anne Leriche, Claudine Follet-Houttemane

The low strength of bioglasses have restricted their use to non-load bearing applications and therefore improvements in mechanical properties are needed. One solution to this challenge is to incorporate nitrogen into the glass silicate network. This paper outlines the effect of nitrogen on...

Proceeding of the 42nd International Conference on Advanced Ceramics and Composites, John Wiley & Sons, Inc., pp.33-46, 2019, Ceramic Engineering and Science Proceedings, 978-1-119-54330-5. ⟨10.1002/9781119543381.ch4⟩. ⟨hal-03479008⟩

Communication dans un congrès

De la sérendipité dans les projets pour cultiver l’imprévisible

Jean-Paul Becar, Jean Vareille

L’article traite de la sérendipité dans les projets conduits dans nos IUT. La sérendipité est la découverte accidentelle de quelque chose d’inattendu. Elle se produit souvent lors du déroulement de projets. Forts de leurs expériences vécues dans les projets, les auteurs mettent en évidence les...

CNRIUT 2019, université de Toulon, Jun 2019, TOULON, France. ⟨hal-02510450⟩