NDLI: The Fabrication and Characterization of $BaTiO_{3}$ Piezoceramics Using SLA 3D Printing at 465 nm Wavelength

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The Fabrication and Characterization of $BaTiO_{3}$ Piezoceramics Using SLA 3D Printing at 465 nm Wavelength

Content Provider	MDPI
Author	Smirnov, Andrey Chugunov, Svyatoslav Kholodkova, Anastasia Isachenkov, Maxim Tikhonov, Andrey Dubinin, Oleg Shishkovsky, Igor
Copyright Year	2022
Description	The additive manufacturing of $BaTiO_{3}$ (BT) ceramics through stereolithography (SLA) 3D printing at 465 nm wavelength was demonstrated. After different milling times, different paste compositions with varied initial micron-sized powders were studied to find a composition suitable for 3D printing. The pastes were evaluated in terms of photopolymerization depth depending on the laser scanning speed. Furthermore, the microstructure and properties of the BT ceramic samples produced through SLA 3D printing were characterized and compared with those of ceramics fabricated through a conventional die semi-drying pressing method. Three-dimensional printed samples achieved relative densities over 0.95 and microhardness over 500 HV after sintering, nearly matching the relative density and microhardness attained by the pressed samples. Upon poling, the 3D-printed samples attained acceptable piezoelectric module $d_{33}$ = 148 pC/N and dielectric constants over 2000. At near full density, BT piezoceramics were successfully fabricated through SLA 3D printing at 465 nm wavelength, achieving photopolymerization depth of more than 100 microns. This work paves the relatively low-cost way for 3D printing of piezoelectric ceramics using conventional micron-sized powders and high printed layer thickness.
Starting Page	960
e-ISSN	19961944
DOI	10.3390/ma15030960
Journal	Materials
Issue Number	3
Volume Number	15
Language	English
Publisher	MDPI
Publisher Date	2022-01-26
Access Restriction	Open
Subject Keyword	Materials Dentistry and Oral Surgery 3d Printing Batio3 Piezoelectric Properties Perovskites Additive Manufacturing Piezoceramics Stereolithography (sla)
Content Type	Text
Resource Type	Article

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