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Preparation of yttria-dtabilized nanocrystalline zirconia with tunable optical properties
Author(s): G. Uahengo; Y. Kodera; J. E. Garay
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Paper Abstract

We present a systematic study investigating yttria dopant concentrations effects on crystal phase compositions of zirconium dioxide (ZrO2) and the respective bulk optical properties. (ZrO2), a traditional structural ceramic possesses excellent mechanical properties, while simultaneously possessing a wide band gap (5-7eV). This combination of properties opens the door for designs and fabrication of transparent structural ceramics. We use Current-Assisted Pressure Activated Densification (CAPAD), to achieve high heating rates, and comparatively short hold-times, which leads to ceramics with very fine grain sizes. This affords the opportunity to investigate, the effects of yttria dopant concentration on the resultant microstructure (grain size, phases and phase ratios).

Paper Details

Date Published: 14 September 2018
PDF: 5 pages
Proc. SPIE 10742, Optical Manufacturing and Testing XII, 1074208 (14 September 2018); doi: 10.1117/12.2322037
Show Author Affiliations
G. Uahengo, Univ. of California, San Diego (United States)
Y. Kodera, Univ. of California, San Diego (United States)
J. E. Garay, Univ. of California, San Diego (United States)


Published in SPIE Proceedings Vol. 10742:
Optical Manufacturing and Testing XII
Ray Williamson; Dae Wook Kim; Rolf Rascher, Editor(s)

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