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首页> 外文期刊>Oriental Journal of Chemistry: An International Research Journal of Pure & Applied Chemistry >Preparation and Characterization of ZrO2/CeO2 Ceramic Composite Synthesized by Microwave Combustion Method
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Preparation and Characterization of ZrO2/CeO2 Ceramic Composite Synthesized by Microwave Combustion Method

机译：微波燃烧法合成ZrO2 / CeO2陶瓷复合材料的制备与表征

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摘要

ZrO2 nano-powders with the substitution of; 5,12 and 17 mole %CeO2 contents were prepared by a microwave combustion method utilizing Ce(NO3)3.6H2O, ZrN2O7.xH2O and urea as precursors. The obtained cakes were calcined at different temperatures. XRD, SEM, EDS, and TEM techniques were used to determine the effect of microwave and calcining temperature between 450 to 1000°C on the prepared powders. The results obtained show the formation of a single phase; a tetragonal solid solution with a particle size ranging between 10 to 20 nm.The densification parameters, phase compositions, microstructures and mechanical properties (micro-hardness) were investigated.
机译：用ZrO2替代纳米粉;通过微波燃烧法，以Ce（NO3）3.6H2O，ZrN2O7·xH2O和尿素为前体，制备了5,12和17摩尔％的CeO2含量。将获得的饼在不同温度下煅烧。使用XRD，SEM，EDS和TEM技术确定微波和煅烧温度在450至1000°C之间对制备的粉末的影响。得到的结果表明形成了单相。粒径为10至20 nm的四方固溶体。研究了致密化参数，相组成，显微组织和机械性能（显微硬度）。

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