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Materials 2017, 10(4), 390; doi:10.3390/ma10040390

Preparation and Optical Properties of Infrared Transparent 3Y-TZP Ceramics

1
State Key Laboratory of Advanced Special Steel, Shanghai Key Laboratory of Advanced Ferrometallurgy, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
2
Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
3
Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Jérôme Chevalier
Received: 21 February 2017 / Revised: 25 March 2017 / Accepted: 29 March 2017 / Published: 7 April 2017
(This article belongs to the Section Manufacturing Processes and Systems)
View Full-Text   |   Download PDF [4927 KB, uploaded 7 April 2017]   |  

Abstract

In the present study, a tough tetragonal zirconia polycrystalline (Y-TZP) material was developed for use in high-speed infrared windows and domes. The influence of the preparation procedure and the microstructure on the material’s optical properties was evaluated by SEM and FT-IR spectroscopy. It was revealed that a high transmittance up to 77% in the three- to five-micrometer IR region could be obtained when the sample was pre-sintered at 1225 °C and subjected to hot isostatic pressing (HIP) at 1275 °C for two hours. The infrared transmittance and emittance at elevated temperature were also examined. The in-line transmittance remained stable as the temperature increased to 427 °C, with degradation being observed only near the infrared cutoff edge. Additionally, the emittance property of 3Y-TZP ceramic at high temperature was found to be superior to those of sapphire and spinel. Overall, the results indicate that Y-TZP ceramic is a potential candidate for high-speed infrared windows and domes. View Full-Text
Keywords: transparent 3Y-TZP ceramics; infrared windows and domes; emittance transparent 3Y-TZP ceramics; infrared windows and domes; emittance
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MDPI and ACS Style

Wang, C.; Mao, X.; Peng, Y.-P.; Jiang, B.; Fan, J.; Xu, Y.; Zhang, L.; Zhao, J. Preparation and Optical Properties of Infrared Transparent 3Y-TZP Ceramics. Materials 2017, 10, 390.

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