Parcourir thématique/sous thématique "Ingénierie, informatique & technologie>>Multidisciplinaire, généralités & autres"
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Additively Manufactured Multifunctional Composite Parts with the Help of Coextrusion Continuous Carbon Fiber: Study of Feasibility to Print Self-Sensing without Doped Raw Material
25 août 2023, DEMARBAIX, Anthonin
; Ochana, Imi; Levrie, Julien; Coutinho, Isaque; Cunha, Sebastião Simões Jr.; Moonens, Marc, HE Condorcet
Article scientifiqueAbstract ; "Nowadays, the additive manufacturing of multifunctional materials is booming. The fused deposition modeling (FDM) process is widely used thanks to the ease with which multimaterial parts can be printed. The main limitation of this process is the mechanical properties of the parts obtained. New continuous-fiber FDM printers significantly improve mechanical properties. Another limitation ... -
Au boulot les robots !
2019, HELMoPublication d'intérêt général/presseFrédéric Senny enseigne à HELMo Gramme. Dans le petit monde de l'Institut, il s'est taillé une belle réputation d'expert en robotique, grâce à son implication dans la coordination de l'équipe d'étudiants de Master 1 qui participent au concours annuel européen de robotique (Eurobot). Entre l'enseignement et la recherche, son agenda a horreur du vide. Manifestement, cela ne lui monte pas à la tête (la ... -
Behaviour of pre-sintered Y-TZP during machining operations: Determination of recommended cutting parameters
06 février 2018, DEMARBAIX, Anthonin; Rivière-Lorphèvre, Edouard; Ducobu, François; Filippi, Enrico; Petit, Fabrice; Preux, Nicolas, HE Condorcet
Article scientifique"In this paper,the NF E 66-520-5 standard, dedicated to the determination ofthe optimal cutting parameters suitable for ductile material, is applied to the pre-sintered ceramic Y-TZP. The objective of the standard is to calculate the specific cutting energy of the forces created between the chosen tool and material during machining operation. Specific cutting energy is the energy required to remove ... -
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 ... -
Calibration method of hybrid machining process in the green ceramic combining micro-milling and laser machining
2019, DEMARBAIX, Anthonin; Rivière-Lorphèvre, Edouard; Ducobu, François; Dolimont, Adrien; Petit, Fabrice; Juste, Enrique, HE Condorcet
Acte de conférence ou de colloqueContribution to "euspen’s 19th International Conference & Exhibition, Bilbao, ES, June 2019" Abstract : "The requirements for quality amelioration of engineered products are increasingly stringent, and specially when the miniaturization and difficult-to-machine materials are considered. The development of hybrid machining processes (HMPs) answers this problem. Indeed, HMPs are variants of ... -
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 ... -
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 ... -
Development of the hybrid sequential machining: laser machining and milling
2016, DEMARBAIX, Anthonin; Rivière-Lorphèvre, Edouard; Ducobu, François; Filippi, Enrico; Petit, Fabrice; Preux, Nicolas, HE Condorcet
Acte de conférence ou de colloque"The aims of this paper is to study the advantages and disadvantages of laser micro-machining and the micro-milling. The final goal is to couple these processes in the same structure. The sequential hybrid process is subtractive-subtractive it combines the laser u-machining and the u-milling. The samples are machined with the two processes to compare the dimensional tolerance and the geometrical ... -
Discussion autour de la robotique...
2019, HELMoPublication d'intérêt général/presseLes robots, surtout lorsqu'ils sont dotés d'une intelligence artificielle, éveillent auprès du grand public une fascination mêlée de crainte. Entre science-fiction et technologie de pointe l'interaction entre les robots et les hommes soulève de nombreuses questions. Afin de faire la part des choses, Edith a décidé de mettre des ingénieurs et des philosophes autour d'une même table pour parler des ... -
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 ... -
Gaming et live streaming
2023, HELMoPublication d'intérêt général/presseLors d’une discussion avec Catherine Janssen, du service Vie étudiante de HELMo, celle-ci me fait part d’un projet lancé il y a quelques mois par une poignée d’étudiants. Ces derniers ont entrepris de démarrer un canal sur la plateforme Discord® afin de se rassembler en ligne, en dehors des « frontières » délimitées par les différents Campus et des activités estudiantines « officielles ». De là ... -
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. ... -
Green Ceramic Machining: Influence of the Cutting Speed and the Binder Percentage on the Y-TZP Behavior
21 mai 2020, DEMARBAIX, Anthonin; Ducobu, François; Preux, Nicolas; Petit, Fabrice; Rivière-Lorphèvre, Edouard, HE Condorcet
Article scientifiqueAbstract : "The demand for inert bioceramics is always increasing in the dental field. Yttrium oxide tetragonal zirconia polycrystals (Y-TZP) are oxide ceramics which are currently used because of their interesting mechanical properties due to a toughening transformation. Industrially speaking, machining of the ceramic before sintering (green body) is very common because it allows a better productivity ... -
The Hybrid Machining of Ceramic: The choice of production stage
30 mai 2017, DEMARBAIX, Anthonin; Rivière-Lorphèvre, Edouard; Ducobu, François; Filippi, Enrico; Preux, Nicolas, HE Condorcet
Acte de conférence ou de colloqueContribution to "Euspen’s 17th International Conference & Exhibition, Hannover, DE, May 2017". Abstract : "The demand for micro products has increased gradually since last decades in various areas, requiring the development of micro manufacturing processes. Micro manufacturing is characterized by the size of functional features (smaller than 10 um), a high precision, a good surface finishing and ... -
(I)²A L’ingénieur et l’IA
2021, HENALLUXArticle scientifiqueD’un point de vue éthique, le développement de l’intelligence artificielle s’inscrit pleinement dans celui des sciences et des techniques, et l’on ne peut que s’en réjouir. Le développement des sciences et des techniques est éthique dès lors qu’il participe au développement du bien commun. Le bien commun se distingue de l’intérêt général et vise la mise en place de toutes les conditions matérielles, ... -
I.A. et droit : quel métier demain pour les praticiens du droit et de la justice ?
2019, HELMoPublication d'intérêt général/presseLa numérisation de l'information et les développements récents de l'intelligence artificielle vont profondément modifier l'ensemble des métiers du droit et de la justice. Un certain nombre de tâches précédemment dévolues aux humains vont considérablement s'alléger, et certaines devenir obsolètes. Tout cela laisse augurer d'un élargissement du contenu des professions juridiques. -
Influence of Conventional Machining on Chemical Finishing of Ti6Al4V Electron Beam Melting Parts
26 avril 2020, Spitaels, Laurent; Ducobu, François; DEMARBAIX, Anthonin; Rivière-Lorphèvre, Edouard; Dehombreux, Pierre, HE Condorcet
Acte de conférence ou de colloque"Additive manufacturing is feeding great hopes for future developments in fields such as aeronautical, biomedical and rapid tooling industrssssies. However, limitations are still restricting its use to make prototypes and hampering mass production. In the case of titanium alloy printing (e.g. Ti6Al4V) with the EBM (Electron Beam Melting) process, the major obstacle to use parts directly after printing ... -
A l'école des entraîneurs de robots...
2019, HELMoPublication d'intérêt général/presseComment apprendre la robotique en s'amusant ? L'enseignement de la robotique se prête mal aux pédagogies habituellement dispensées en classe. Par ailleurs, les projets de robotique exigent de développer à un très haut degré des soft skills qui sont également difficiles à acquérir dans un enseignement transmissif classique. Heureusement, il y a les compétitions de robots... -
L'intelligence artificielle : quelle influence sur les métiers et nos formations ?
2019, HELMoPublication d'intérêt général/presseL'intelligence artificielle (IA) est parmi nous. Elle a donné la parole à nos smartphones, elle a révolutionné les chaines de production, elle nous permet de dialoguer avec un chatbot, de suivre les patients à distance, d'intégrer les données comptables d'un système à un autre, de réaliser des analyses juridiques. Quelle sera son impact sur les métiers de demain ? Comment, dès lors, penser l'avenir ...