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Experimental investigation on green ceramic machining with nanosecond laser source
03 décembre 2020, DEMARBAIX, Anthonin
; Ducobu, François; Juste, Enrique; Petit, Fabrice; Duterte, Charles; Rivière-Lorphèvre, Edouard, HE Condorcet
Article scientifiqueAbstract : "Yttrium oxide tetragonal zirconia polycrystals (Y-TZP) is an inert bioceramic used for many bio-implantable applications that request a high accuracy which is difficult to achieve with the current technologies. Laser machining of hard ceramic is difficult because the interaction of the laser beam with the material can lead to microcracks and surface modifications of the microstructure. ... -
Finite element modelling of the Taylor impact test in 3D with the Coupled Eulerian-Lagrangian method
Acte de conférence ou de colloqueContribution to ESAFORM2021. Abstract : "When modelling a cutting operation, the constitutive model of the machined material is one of the key parameters to obtain accurate and realistic results. Up to now, the Johnson-Cook model is still the most used, even if an increasing number of models, such as the Hyperbolic TANgent (TANH) model, were introduced last years to overcome its limitations and ... -
Bigraphisme et difficultés d’écriture : étude de l’influence du bilinguisme-bigraphisme arabe-français dans une école du nord de la France
2021, HE CondorcetTFEDans une ville cosmopolite et multiculturelle du nord de la France, une partie de la population est capable d’écrire en arabe, pour des raisons socioculturelles. Un double apprentissage est alors présent chez les enfants, qui écrivent dans deux systèmes graphiques (arabe et latin). Les différences présentes entre ces deux alphabets pourraient entraîner des interférences dans les productions écrites ... -
The CDIO approach in a FabLab activity for engineering education promotion
Acte de conférence ou de colloqueAbstract : "The number of FabLabs has been steadily increasing over the last few years. Their main objectives are to sensitize its public on Science, Technology, Engineering, and Math (STEM) education through the digital manufacturing chain of an object and to allow the large public to make their own objects. Through, the increasing popularization of these advanced technologies, it becomes more ... -
Plant Microbiota Beyond Farming Practices: A Review
29 mars 2021, HE CondorcetArticle scientifique"Being able to engineer microbial communities in ways that benefit crop health and growth will help decrease the number of chemical inputs required. Against this background, this review explores the impacts of agricultural practices on soil- and plant-associated microbiomes, focusing on plant growth-promoting microorganisms from a metagenomic perspective." Extrait de l'abstract -
Development of a novel benchmark artifact for Additive Manufacturing processes
10 juin 2021, Spitaels, Laurent; Rivière-Lorphèvre, Edouard; DEMARBAIX, Anthonin; Ducobu, François, HE Condorcet
Acte de conférence ou de colloque" This article aims to make a review of the existing benchmark artifacts and to summarize the main requirements chosen by authors. From this state of the art, a new benchmark artifact is proposed by adapting an existing one to fulfil its missing characteristics. Measurements possibilities in terms of dimensions are enumerated and organized using ISO 286 dimensional intervals as presented in the ... -
Effects of Chemopreventive Natural Compounds on the Accuracy of 8-oxo-7,8-dihydro-2′-deoxyguanosine Translesion Synthesis
08 juillet 2021, HE CondorcetArticle scientifiqueTranslesion synthesis is a DNA damage tolerance mechanism that relies on a series of specialized DNA polymerases able to bypass a lesion on a DNA template strand during replication or post-repair synthesis. Specialized translesion synthesis DNA polymerases pursue replication by inserting a base opposite to this lesion, correctly or incorrectly depending on the lesion nature, involved DNA polymerase(s), ... -
Aspergillus spp. and Bacillus spp. as Growth Promoters in Cotton Plants Under Greenhouse Conditions
13 août 2021, HE CondorcetArticle scientifique"This study aimed to verify the potential of three Aspergillus and Bacillus species as growth promoters in cotton plants under greenhouse conditions. The experiment was conducted with a completely randomized design with seven treatments (six microorganisms plus one control) and five replicates until the flowering stage at 70 days after emergence." Extrait de l'abstract -
Green Ceramic Machining: Determination of the Recommended Feed Rate for Y-TZP Milling
01 septembre 2021, DEMARBAIX, Anthonin; Mulliez, Marylou; Rivière-Lorphèvre, Edouard; Spitaels, Laurent; Duterte, Charles; Petit, Fabrice; Ducobu, François, HE Condorcet
Article scientifiqueAbstract : "Manufacturing of advanced ceramic parts exhibiting complex geometries is laborious and expensive. Traditionally, the machining is carried out on a so-called ‘green ceramic’: a compact composed of ceramic powder held with the help of a binder. This difficulty is due not only to the composition of the material, but also to the lack of methods that determine optimal machining parameters. ... -
Binder influence on green ceramic machining by means of milling and laser machining
06 septembre 2021, DEMARBAIX, Anthonin; Ducobu, François; Preux, Nicolas; Petit, Fabrice; Rivière-Lorphèvre, Edouard, HE Condorcet
Acte de conférence ou de colloque"The micro manufacturing of ceramic components is technologically challenging especially when complex shapes and micro features are required. A hybrid manufacturing chain is developed for non-sintered(green) blanks machined using sequentially a cutting tool and a laser source. During the preparation of the green blank, a binder is added to the powder to improve compaction. The amount of binder can ... -
Construction of a Novel Chimeric Dextransucrase Fused to the Carbohydrate-Binding Module CBM2a
28 septembre 2021, HE CondorcetArticle scientifiqueLactic acid bacteria (LAB) have the potential to produce homoexopolysaccharides (HoPS). Their health benefits and physicochemical properties have been the subject of extensive research. The HoPS functional properties are determined by molecular weight, the type of glycosidic link ages, degrees of branching and chemical composition. The dextransucrases (DSases) produce a kind of HoPS (dextrans), ... -
Morphological variability within the indigenous sheep population of Benin
19 octobre 2021, HE CondorcetArticle scientifiqueKnowledge of both the genetic diversity and geographical distribution of animal genetic resources is a prerequisite for their sustainable utilization, improvement and conservation. The present study was undertaken to explore the current morphological variability within the sheep population in Benin as a prelude for their molecular characterization. From November 2018 to February 2020, 25 quantitative ... -
Development of a standardized multiplex SSR kit for genotyping both goats and sheep
03 novembre 2021, HE CondorcetCARAHArticle scientifique"In this technical note, we report the development of a reliable standardized protocol based on the multiplex SSRPCR approach for genotyping the two small ruminant species, goats and sheep. The method is based on PCR conditions optimization allowing 12 informative microsatellites (SSR) markers to be co-amplified in two multiplex sets of 6 SSR markers, followed by a co-migration into one run onto a ... -
Valorization of dairy waste and by-products through microbial bioprocesses
28 novembre 2021, HE CondorcetArticle scientifiqueWaste is an inherent and unavoidable part of any process which can be attributed to various factors such as process inefficiencies, usability of resources and discarding of not so useful parts of the feedstock. Dairy is a burgeoning industry following the global population growth, resulting in generation of waste such as wastewater (from cleaning, processing, and maintenance), whey and sludge. These ... -
Oilseed Rape Cultivars Show Diversity of Root Morphologies with the Potential for Better Capture of Nitrogen
14 décembre 2021, HE CondorcetArticle scientifiqueThe worldwide demand for vegetable oils is rising. Oilseed rape (Brassica napus) diversifies cereal dominated crop rotations but requires important nitrogen input. Yet, the root organ is offering an untapped opportunity to improve the nitrogen capture in soil. This study evaluates three culture systems in controlled environment, to observe root morphology and to identify root attributes for superior ... -
Les freins restrictifs buccaux : état des lieux sur les pratiques diagnostiques et leurs prises en charge
2022, HE CondorcetTFE"Afin d’aider les orthophonistes - logopèdes à connaître le rôle qu’ils doivent jouer et aider les familles, nous avons élaboré une revue de littérature sur les freins buccaux restrictifs. Nous avons également échangé avec des professionnels de santé spécialisés dans le domaine des freins restrictifs afin de faire un état des lieux des pratiques d’évaluation et de prises en charge. Ces démarches ... -
Presbyphagie et santé orale : élaboration d'un support informatif auprès du personnel soignant du service gériatrique du CHwapi
2022, HE CondorcetTFE"Notre objectif était d’intégrer la sensibilisation en santé orale au sein de la prise en charge de la personne âgée en milieu hospitalier. Dans ce contexte, nous avons conçu un support audiovisuel de sensibilisation pour le personnel soignant du service de gériatrie du CHwapi. Pour cela, nous avons adressé des questionnaires au personnel soignant afin de recueillir l’intérêt, les connaissances et ... -
Évaluation et rééducation des troubles de la voix par télépratique : élaboration d'un protocole de prise en charge vocale par télépratique
2022, HE CondorcetTFE"Cela fait deux ans que la pandémie Covid-19 s’est immiscée dans notre quotidien. Tout comme un grand nombre d’autres professions, les prises en charge logopédiques ont été considérablement perturbées par les mesures de distanciations sociales imposées. La télépratique, jusque-là peu utilisée dans les pays européens, s’est avérée être une solution efficace pour continuer de mener à bien ces rééducations. ... -
Réflexion épistémologique sur la recherche inter-Hautes Écoles autour de la "maîtrise de la langue française"
2022, HE CondorcetActe de conférence ou de colloqueArticle présenté le 25 février 2021 à l'occasion de la Journée des chercheurs en Haute Ecole de 2020-21. Il est disponible de la page 118 à la page 134. Résumé : Dans l’enseignement supérieur en Belgique francophone, nombreux sont les enseignants et les chercheurs à débattre autour de la (non) maîtrise de la langue française par les étudiants, mais aussi à se poser la question de l’efficacité des ... -
Tirer le professionnel de l'écriture : les enseignements d'une collaboration interdisciplinaire pour penser un dispositif commun de Maîtrise de la langue
janvier 2022, HE CondorcetArticle scientifique"Aujourd’hui, dans l’enseignement supérieur en Belgique francophone, nombreux sont les enseignants à avoir la conviction que les étudiants maîtrisent de moins en moins la langue française et à y voir un réel problème pour leur inscription professionnelle future. Face à ces constatations, deux enseignantes en Haute Ecole, l’une issue d’un département des sciences logopédiques et l’autre issue d’un ...