ZrO2-doped Y2O3 transparent ceramics via slip casting and vacuum sintering |
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Authors: | Lingling Jin Guohong Zhou Shunzo Shimai Jian Zhang Shiwei Wang |
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Affiliation: | 1. Jiangsu Key Laboratories of Advanced Laser Materials and Devices, School of Physics and Electronics Engineering, Jiangsu Normal University, Xuzhou, 221116 China;2. Jiangsu Collaborative Innovation Center of Advanced Laser Technology and Emerging Industry, Jiangsu Normal University, Xuzhou, 221116 China;1. Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China;2. School of Electrical and Electronic Engineering, Nanyang Technological University, 639798, Singapore;3. School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore;1. Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for Green Preparation and Application of Functional Materials, School of Material Science and Engineering, Hubei University, 368 Youyi Avenue, Wuhan, Hubei, 430062, China;2. Engineering Ceramics Department, Korea Institute of Materials Science, 797 Changwondaero, Changwon, Gyeongnam, 641-831, Republic of Korea;1. College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China;2. Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China;1. Engineering Ceramics Department, Korea Institute of Materials Science 797 Changwondaero, Changwon, Gyeongnam 641-831, Republic of Korea;2. Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for Green Preparation and Application of Functional Materials, School of Material Science and Engineering, Hubei University, 368 Youyi Avenue, Wuhan, Hubei 430062, China |
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Abstract: | Commercial Y2O3 powder was used to fabricate highly transparent Y2O3 ceramics with the addition of ZrO2 via slip casting and vacuum sintering. The effects of ZrO2 addition on the transparency, grain size and lattice parameter of Y2O3 ceramics were studied. With addition of ZrO2 the transparency of Y2O3 ceramics increased markedly and the grain size of Y2O3 ceramics decreased markedly by cation diffusivity mechanism and the lattice parameter of Y2O3 ceramics slightly decreased. The highest transmittance (at wavelength 1100 nm) of the 5.0 mol% ZrO2–Y2O3 ceramic (1.0 mm thick) sintered at 1860 °C for 8 h reached 81.7%, very close to the theoretical value of Y2O3. |
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