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Anthonin DEMARBAIX
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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 colloque
Acte de conférence ou de colloque
Contribution 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 ...
The CDIO approach in a FabLab activity for engineering education promotion
2021, Wattiaux, David; Leroy, Cédric; Olivier, Bryan; DEMARBAIX, Anthonin,
- HE Condorcet
,
- Acte de conférence ou de colloque
Acte de conférence ou de colloque
Abstract : "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 ...
Prediction of local sintering in laser beam machining of green Y-TZP ceramic
20 mai 2020, Ducobu, François; Rivière-Lorphèvre, Edouard; DEMARBAIX, Anthonin; Lauwers, Berth,
- HE Condorcet
,
- Article scientifique
Article scientifique
Abstract : "Laser beam machining of Y-TZP engineering ceramic material is carried out in green stage to increase the material removal rate. The generation of hot spots may cause local sintering of the ceramic material leading to a decrease of the mechanical properties of the final sintered component. This paper presents the implementation of alternative laser beam paths to reduce the hot spots ...
Numerical Modelling of the Heat Source and the Thermal Response of an Additively Manufactured Composite during an Active Thermographic Inspection
19 décembre 2023, Notebaert, Arnaud; Quinten, Julien; Moonens, Marc; Oldez, Vedi; Barros, Camila; Cunha, Sebastião Simões Jr.; DEMARBAIX, Anthonin,
- HE Condorcet
,
- Article scientifique
Article scientifique
Abstract : "This paper deals with the numerical modelling of non-destructive testing of composite parts using active thermography. This method has emerged as a new approach for performing non-destructive testing (NDT) on continuous carbon fibre reinforced thermoplastic polymer (CCFRTP) components, particularly in view of detecting porosity or delamination. In this context, our numerical model has ...
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
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 ...
Impact of Green Ceramic Hybrid Machining (GCHM) on Reliability and Repeatability of the Properties of Sintered Yttrium-Tetragonal Zirconia Polycrystal Parts
20 juin 2023, Ducobu, François; DEMARBAIX, Anthonin; Rivière-Lorphèvre, Edouard; Spitaels, Laurent; Petit, Fabrice; Preux, Nicolas; Duterte, Charles; Mulliez, Marylou; Lauwers, Bert,
- HE Condorcet
,
- Article scientifique
Article scientifique
Abstract : "The innovative Green Ceramic Hybrid Machining (GCHM) process sequentially combines
milling with a cutting tool (GCM, Green Ceramic Machining) and laser beam machining (GCLBM) of
a ceramic material (black Y-TZP in this study) at the green stage mainly to increase productivity, avoid
taper angle limitations of laser beam machining, and obtain micro-features. The study focuses on ...
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 scientifique
Article scientifique
Abstract : "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 ...
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 scientifique
Article scientifique
Abstract : "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. ...
Finite element modelling of the Taylor impact test in 3D with the Coupled Eulerian-Lagrangian method
2021, Ducobu, François; DEMARBAIX, Anthonin; Pantalé, Olivier,
- HE Condorcet
,
- Acte de conférence ou de colloque
Acte de conférence ou de colloque
Contribution 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 ...
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 scientifique
Article scientifique
Abstract : "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. ...