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Anthonin DEMARBAIX
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The Hybrid Machining of Ceramic: The choice of production stage![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
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. ...
Dimensional and geometrical performance assessment of two FDM printers using a benchmark artifact![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
03 juin 2022, Spitaels, Laurent; Rivière-Lorphèvre, Edouard; DEMARBAIX, Anthonin
; Thielens, Vincent; Ducobu, François,
- HE Condorcet
,
- Acte de conférence ou de colloque
Acte de conférence ou de colloque
"In this article, dimensional and geometrical performances of two Fused Deposition Modelling (FDM) printers with Cartesian architecture (Ultimaker S3 and Intamsys FUNMAT HT) are compared using an original benchmark artifact design. Five parts were printed on each printer in ABS. Five other parts were also produced with the Ultimaker S3 in PLA to show the influence of material choice on the printer’s ...
Development of the hybrid sequential machining: laser machining and milling![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
2016, DEMARBAIX, Anthonin
; Rivière-Lorphèvre, Edouard; Ducobu, François; Filippi, Enrico; Petit, Fabrice; Preux, Nicolas,
- HE Condorcet
,
- Acte de conférence ou de colloque
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 ...
Development of a novel benchmark artifact for Additive Manufacturing processes![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
10 juin 2021, Spitaels, Laurent; Rivière-Lorphèvre, Edouard; DEMARBAIX, Anthonin
; Ducobu, François,
- HE Condorcet
,
- Acte de conférence ou de colloque
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 ...
Chemical etching as a finishing process for electron beam melting (EBM) parts![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
02 juillet 2019, Dolimont, Adrien; DEMARBAIX, Anthonin
; Ducobu, François; Rivière-Lorphèvre, Edouard,
- HE Condorcet
,
- Acte de conférence ou de colloque
Acte de conférence ou de colloque
"The goal of this research is to analyze the impact of chemical etching on parts produced by electron beam melting. Given that the surface conditions are poor (Ra between 25 to 35 µm), an enhancement of these is asked. Dimensional and surface measurements were realized on conceived parts. Different exposure times were tested. The impact of these times on surface quality was evaluated. To help ...
Calibration method of hybrid machining process in the green ceramic combining micro-milling and laser machining![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
2019, DEMARBAIX, Anthonin
; Rivière-Lorphèvre, Edouard; Ducobu, François; Dolimont, Adrien; Petit, Fabrice; Juste, Enrique,
- HE Condorcet
,
- Acte de conférence ou de colloque
Acte de conférence ou de colloque
Contribution 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 ...
Binder influence on green ceramic machining by means of milling and laser machining![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
06 septembre 2021, DEMARBAIX, Anthonin
; Ducobu, François; Preux, Nicolas; Petit, Fabrice; Rivière-Lorphèvre, Edouard,
- HE Condorcet
,
- Acte de conférence ou de colloque
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 ...
Behaviour of pre-sintered Y-TZP during machining operations: Determination of recommended cutting parameters![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
06 février 2018, DEMARBAIX, Anthonin
; Rivière-Lorphèvre, Edouard; Ducobu, François; Filippi, Enrico; Petit, Fabrice; Preux, Nicolas,
- HE Condorcet
,
- Article scientifique
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 ...
Analyzing apparatus
Brevet
"The invention relates to an apparatus configured to detect and measure in real time an electrical response from an electrical component exposed to ionizing radiation."
Participation d'un chercheur de la HEPH-Condorcet mais le brevet est déposé par l'UMons : https://orbi.umons.ac.be/handle/20.500.12907/45680
An Experimental Setup Based On a Printable System for the Acquisition of the Real-Time Electrical Response of Irradiated Semiconductor Devices![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
12 décembre 2022, Quenon, Alexandre; DEMARBAIX, Anthonin
; Daubie, Evelyne; Moyaert, Véronique; Dualibe, Fortunato Carlos,
- HE Condorcet
,
- Article scientifique
Article scientifique
"This paper proposes a portable 3D printed test set-up allowing to realize this transient measurement while ensuring no interaction with the outside world. Moreover the setup proposes a variation of distance to favor or not the interaction of the semiconductor with the ionizing radiation source. The main advantages of the proposed 3D setup is its adaptability to any kind of radiation source geometry ...
Additively Manufactured Multifunctional Composite Parts with the Help of Coextrusion Continuous Carbon Fiber: Study of Feasibility to Print Self-Sensing without Doped Raw Material![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
25 août 2023, DEMARBAIX, Anthonin
; Ochana, Imi; Levrie, Julien; Coutinho, Isaque; Cunha, Sebastião Simões Jr.; Moonens, Marc,
- HE Condorcet
,
- Article scientifique
Article scientifique
Abstract ; "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 ...
Adaptive benchmarking design for additive manufacturing processes![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
17 mars 2022, Spitaels, Laurent; Rivière-Lorphèvre, Edouard; DEMARBAIX, Anthonin
; Ducobu, François,
- HE Condorcet
,
- Article scientifique
Article scientifique
"Standards enabling the objective tolerancing and evaluation of dimensional and geometrical performances of additive manufacturing (AM) printers are still missing. The design, printing and measurements of geometrical benchmark test artefacts (GBTA) is the current solution proposed in literature. However, the current GBTA with fixed dimensions cannot cover most of the available printing area of ...
A new manufacturing chain for ceramic shaping: sequential combination of milling and laser machining in green ceramic![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
juin 2020, DEMARBAIX, Anthonin
; Ducobu, François; Petit, François; Rivière-Lorphèvre, Edouard,
- HE Condorcet
,
- Acte de conférence ou de colloque
Acte de conférence ou de colloque
Contribution to euspen’s 20th International Conference & Exhibition (Geneva, CH, June 2020)
Abstract :
"The ceramic microcomponents have very interesting mechanical and thermal properties in an extreme environment such as a high temperature, a corrosive environment, etc. Unfortunately, the principal limitation of ceramic material usage is its shaping because of the brittlness of the material. ...