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所属单位：材料科学与技术学院
发表刊物：Key Eng Mat
摘要：White color zirconia ceramics were produced by sintering of coprecipitated 3Y-TZP powder in air. By annealing at reducing atmosphere, black-color zirconia ceramics with different shades were then realized. The obtained ZrO2samples were characterized by X-ray diffraction (XRD), UV-visible spectrum (UV-vis), photoluminescence spectra (PL) and Raman spectroscopy, respectively. UV-visible spectrum reveals that the ZrO2samples under different reducing atmosphere have different reflectivity in 400-800nm. X-ray diffraction data confirms that the different annealing processes can result in the change of the corresponding crystal density. It is indicated that defects contributes to cell volume alteration. The PL and Raman spectra further indicates that these defects belong to oxygen vacancies and the concentration of oxygen vacancies have a strong influence on the shades of black-color zirconia ceramics. © 2017 Trans Tech Publications, Switzerland.
ISSN号：1013-9826
是否译文：否
发表时间：2017-01-01
合写作者：Xu, Yue,傅仁利,Yang, Yang,董洋洋,Cai, Junde,Wang, Xu,王旭东,Zhang, Pengfei
通讯作者：徐月芳