Article (Périodiques scientifiques)
Infrared irradiation to drive phosphate condensation as a route to direct additive manufacturing of oxide ceramics
Somers, Nicolas; Montón, Alejandro; Özmen, Eren et al.
2024In Journal of the American Ceramic Society, 107 (1), p. 36 - 46
Peer reviewed vérifié par ORBi
 

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Mots-clés :
additive manufacturing; chemically bonded phosphate ceramics (CBPC); infrared irradiation; phosphate binder; pressureless sintering; Ceramic parts; Ceramic powder; Chemically bonded phosphate ceramic; Chemically bonded phosphate ceramics; Infra-red irradiation; Lows-temperatures; Oxide ceramics; Phosphate binders; Pressureless; Pressureless-sintering; Ceramics and Composites; Materials Chemistry
Résumé :
[en] This paper introduces a fast, low-temperature, pressureless process to chemically bind ceramic parts with the help of infrared (IR) irradiation and phosphate binder condensation. Ceramic components are synthesized from slurries of ceramic powders and Al(H2PO4)3 binder that are irradiated with short-waved IR light capable of heating the system to 350°C. This irradiation is found to be sufficient to drive phosphate condensation, binding the ceramic powders together within a matter of seconds. The IR-irradiated components show an increase in density and Vickers hardness. Layer-by-layer spraying and irradiation is demonstrated as a route to additive manufacturing using various ceramic chemistries. While further optimization is needed to control desired microstructure, this process of using chemically bonded ceramic binders with IR heating for additive manufacturing shows the potential to find applications in various ceramic systems, including refractories, bone implants, electronics, and thermal barrier coatings.
Disciplines :
Chimie
Auteur, co-auteur :
Somers, Nicolas  ;  Université de Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM) ; School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, United States
Montón, Alejandro;  School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, United States
Özmen, Eren;  School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, United States
Losego, Mark D.;  School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, United States
Langue du document :
Anglais
Titre :
Infrared irradiation to drive phosphate condensation as a route to direct additive manufacturing of oxide ceramics
Date de publication/diffusion :
2024
Titre du périodique :
Journal of the American Ceramic Society
ISSN :
0002-7820
Maison d'édition :
John Wiley and Sons Inc
Volume/Tome :
107
Fascicule/Saison :
1
Pagination :
36 - 46
Peer reviewed :
Peer reviewed vérifié par ORBi
Organisme subsidiant :
ONR - Office of Naval Research
Subventionnement (détails) :
This research was supported by a grant from the Office of Naval Research (grant number N00014‐21‐1‐2258) under the direction of Dr. Antti Makinen. A portion of this work was also conducted in the Materials Innovation and Learning Laboratory (the MILL), an open‐access materials characterization facility supported by the School of Materials Science and Engineering and the College of Engineering at Georgia Tech.
Disponible sur ORBi :
depuis le 27 février 2024

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