Laser-Sintered Barium Titanate

Laser sintering of alkoxy‐derived ultrafine BaTiO3 powders was investigated. The temperature increases of the sample with laser irradiation were measured with a thermocouple. It was found that laser irradiation could generate enough heat to sinter ceramics. A slurry was prepared by mixing an alkoxy‐...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 1989-09, Vol.72 (9), p.1716-1718
Main Authors: Kasai, Toshihiro, Ozaki, Yoshiharu, Noda, Hideki, Kawasaki, Kenji, Tanemoto, Kei
Format: Article
Language:English
Subjects:
Applied sciences
barium titanate
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
lasers
processing
sintering
slurries
Technical ceramics
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Summary:Laser sintering of alkoxy‐derived ultrafine BaTiO3 powders was investigated. The temperature increases of the sample with laser irradiation were measured with a thermocouple. It was found that laser irradiation could generate enough heat to sinter ceramics. A slurry was prepared by mixing an alkoxy‐derived BaTiO3 powder, binder additives, solvent, and plasticizer. The slurry was tape cast and dried to give a green sheet. The green sheet was laser sintered and was then characterized by SEM, XRD, and density measurements. The effect of burnout before laser irradiation and the characteristic microstructure of laser‐sintered BaTiO3 are described.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1989.tb06309.x