Comparison of aqueous- and non-aqueous-based tape casting for preparing YAG transparent ceramics

Transparent YAG ceramics were prepared by the aqueous and non-aqueous based tape casting methods. The rheological property of the slurries was analyzed by the viscosity–shear rate curves. The thermal character was detected by the TG–DTA analysis. The microstructures of the tapes and ceramics were co...

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Bibliographic Details
Published in:Journal of alloys and compounds 2013-11, Vol.577, p.228-231
Main Authors: Ba, Xuewei, Li, Jiang, Pan, Yubai, Zeng, Yanping, Kou, Huamin, Liu, Wenbin, Liu, Jing, Wu, Lexiang, Guo, Jingkun
Format: Article
Language:English
Subjects:
Alloys
Ceramics
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Density
Exact sciences and technology
Materials science
Methods of nanofabrication
Microstructure
Multilayers
Nanoscale materials and structures: fabrication and characterization
Optical constants: refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity
Optical materials
Optical properties
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of bulk materials and thin films
Other topics in nanoscale materials and structures
Physics
Tape casting
Transmittance
YAG
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Summary:Transparent YAG ceramics were prepared by the aqueous and non-aqueous based tape casting methods. The rheological property of the slurries was analyzed by the viscosity–shear rate curves. The thermal character was detected by the TG–DTA analysis. The microstructures of the tapes and ceramics were compared. The influence of density of the tape on the ceramics were discussed. The in-line transmittance curves were compared to analyze the optical quality of obtained samples. Results indicate that the methods mentioned above can achieve transparent YAG ceramics with multilayer structure. The transmittance of the sample prepared by the aqueous tape casting is above 81% at 400nm and the sample fabricated by the non-aqueous tape casting possesses higher optical properties. The transmittance is higher than 82% at 400nm and reaches 84% at 1064nm.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2013.04.209