Article (Scientific journals)
Impact of Green Ceramic Hybrid Machining (GCHM) on Reliability and Repeatability of the Properties of Sintered Yttrium-Tetragonal Zirconia Polycrystal Parts
Ducobu, François; Demarbaix, Anthonin; Rivière, Edouard et al.
2023In Journal of Manufacturing and Materials Processing, 7 (3), p. 118
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Keywords :
Industrial and Manufacturing Engineering; Mechanical Engineering; Mechanics of Materials
Abstract :
[en] 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 the reliability and the repeatability of the properties of sintered parts obtained by three manufacturing processes (GCM, GCLBM, GCHM) to assess the performance of hybridisation. It turns out that GCHM is a compromise of both milling and laser beam processes; it increases the repeatability of the surface quality and it slightly reduces (less than 7%) the flexural strength by comparison to milling for a similar reliability. The study also highlights that the surface quality of GCLBM processed parts relies on of the surface generated by the previous operation. Milling that surface at the previous step is therefore recommended, corresponding to the sequence adopted by GCHM.
Disciplines :
Mechanical engineering
Author, co-author :
Ducobu, François  ;  Université de Mons - UMONS > Faculté Polytechnique > Service de Génie Mécanique
Demarbaix, Anthonin ;  Machine Design and Production Engineering Lab, Research Institute for Science and Material Engineering, UMONS, 7000 Mons, Belgium ; Science and Technology Research Unit, Haute Ecole Provinciale de Hainaut Condorcet, 6000 Charleroi, Belgium
Rivière, Edouard  ;  Université de Mons - UMONS > Faculté Polytechnique > Service de Génie Mécanique
Spitaels, Laurent  ;  Université de Mons - UMONS > Faculté Polytechnique > Service de Génie Mécanique
Petit, Fabrice ;  Research and Technological Support Departement, Environmental Materials Research Association, INISMa, CRIBC, 7000 Mons, Belgium
Preux, Nicolas;  Research and Technological Support Departement, Environmental Materials Research Association, INISMa, CRIBC, 7000 Mons, Belgium
Duterte, Charles;  Optec Laser Systems, 7080 Frameries, Belgium
Mulliez, Marylou;  Optec Laser Systems, 7080 Frameries, Belgium
Lauwers, Bert ;  Department of Mechanical Engineering, KU Leuven, 3001 Leuven, Belgium
Language :
English
Title :
Impact of Green Ceramic Hybrid Machining (GCHM) on Reliability and Repeatability of the Properties of Sintered Yttrium-Tetragonal Zirconia Polycrystal Parts
Publication date :
20 June 2023
Journal title :
Journal of Manufacturing and Materials Processing
ISSN :
2504-4494
Publisher :
MDPI AG
Volume :
7
Issue :
3
Pages :
118
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
F707 - Génie Mécanique
Research institute :
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
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