Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume 102, Issue 4, Pages 2021-2028Publisher
WILEY
DOI: 10.1111/jace.16032
Keywords
HIP; thermal conductivity; TiO2; transparent ceramics; Y2O3
Categories
Funding
- Pilot Project B of Chinese Academy of Sciences [XDB1603000]
- Youth Innovation Promotion Association of CAS
- National Nature Science Funds of China [61378069, 61405221]
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Highly transparent Y2O3 ceramics using TiO2 as an additive were synthesized by presintering and hot isostatic pressing (HIP). The effects of TiO2 contents and sintering conditions on the optical properties of the final transparent ceramics were investigated. A small amount (0.04-0.16 wt%) may decrease the densification temperature by about 200 degrees C. The Y2O3 ceramics doped with 0.16 wt% TiO2 revealed a transparency of 82% in the wavelength range 1-6 m. The thermal conductivity of the samples is about 11.8 W/m K at 25 degrees C, which is close to that of the undoped Y2O3 ceramics.
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