Highly Infrared Transparent Nanometric Tetragonal Zirconia Prepared by High‐Pressure Spark Plasma Sintering
- 24 June 2011
- journal article
- research article
- Published by Wiley in Journal of the American Ceramic Society
- Vol. 94 (9) , 2739-2741
Abstract
Highly infrared transparent tetragonal ZrO 2 (3 mol% yttria‐stabilized) was prepared by means of high‐pressure spark plasma sintering ( HP‐SPS ). The crystallite size of the resulting dense sample was about 80 nm. In‐line transmittance for the 1.5 mm thick sample ranged between 63% and 67% in the wavelength of 3–5 μm, representing 81%–87% of the theoretic value. Meanwhile, the cutoff wavelength of tetragonal ZrO 2 was superior to the values of other high‐strength transparent ceramics. This study highlighted the efficiency and simplicity of HP‐SPS for obtaining transparent tetragonal ZrO 2 and the great potential of this ceramic applied for durable infrared windows.Keywords
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