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Ultrafast synthesis of entropy-stabilized oxide at room temperature
Journal of the European Ceramic Society ( IF 5.7 ) Pub Date : 2020-01-10 , DOI: 10.1016/j.jeurceramsoc.2020.01.018
Dianguang Liu , Xinyu Peng , Jinling Liu , Liying Chen , Yong Yang , Linan An

Five-component entropy-stabilized oxide ceramic (Mg0.2Ni0.2Co0.2Cu0.2Zn0.2O) has been successfully synthesized by reaction assisted flash sintering at room temperature. Compared to the conventional sintering technique, the starting materials have been completely transformed to a single rocksalt phase in just a few seconds. Analysis suggests that the electric field significantly accelerated the rate of phase transition. These results clearly demonstrate the feasibility of employing the reaction assisted flash sintering technique to fabricate entropy-stabilized oxides with new chemistries and attractive properties.



中文翻译:

室温下熵稳定氧化物的超快合成

通过在室温下的反应辅助闪速烧结成功地合成了五组分熵稳定氧化物陶瓷(Mg 0.2 Ni 0.2 Co 0.2 Cu 0.2 Zn 0.2 O)。与传统的烧结技术相比,原料在短短几秒钟内就已完全转变成单一的岩盐相。分析表明,电场显着加速了相变速率。这些结果清楚地证明了采用反应辅助的快速烧结技术来制造具有新化学和诱人性能的熵稳定氧化物的可行性。

更新日期:2020-01-10
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