| 稀土(Ln=Y/Yb)掺杂对Sm2Zr2O7陶瓷材料结构及热导率的影响 |
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| 引用本文： | 谢敏,宋希文,周芬,郜建全,包金小,安胜利.稀土(Ln=Y/Yb)掺杂对Sm2Zr2O7陶瓷材料结构及热导率的影响[J].材料导报,2016,30(Z2):244-247. |
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| 作者姓名： | 谢敏 宋希文 周芬 郜建全 包金小 安胜利 |
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| 作者单位： | 北京科技大学冶金与生态学院,北京 100083;内蒙古科技大学材料与冶金学院,包头 014010,内蒙古科技大学材料与冶金学院,包头 014010,内蒙古科技大学材料与冶金学院,包头 014010,内蒙古科技大学材料与冶金学院,包头 014010,内蒙古科技大学材料与冶金学院,包头 014010,北京科技大学冶金与生态学院,北京 100083;内蒙古科技大学材料与冶金学院,包头 014010 |
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| 基金项目： | 国家高技术研究发展计划(863计划)(2015AA034403)；内蒙古自治区科技创新引导奖励资金计划项目(20140508-2)；内蒙古科技大学材料与冶金学院青年人才孵化器平台资助项目(2014CY012) |
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| 摘 要： | 利用稀土Ln=Y/Yb对Sm_2Zr_2O_7进行A位取代掺杂,通过固相合成法制得Sm1.8Ln0.2Zr2O7(Ln=Y/Yb)陶瓷材料。分别利用XRD分析材料的晶体结构,SEM观察其显微形貌,激光导热仪测试其热扩散系数并计算得到热导率。结果表明,Sm1.8Ln0.2Zr2O7(Ln=Y/Yb)陶瓷材料为立方烧绿石结构,晶粒分布均匀,Yb~(3+)/Y~(3+)的掺杂降低了陶瓷材料的热扩散系数和热导率,其中Yb的作用更为明显。
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| 关 键 词： | Sm2Zr2O7 热障涂层材料 烧绿石结构 热导率 |
Influence of Rare Earth(Ln=Y/Yb)-dopings on Structures and Thermal Conductivities of Sm2Zr2O7 Ceramics |
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| XIE Min,SONG Xiwen,ZHOU Fen,GAO Jianquan,BAO Jinxiao and AN Shengli.Influence of Rare Earth(Ln=Y/Yb)-dopings on Structures and Thermal Conductivities of Sm2Zr2O7 Ceramics[J].Materials Review,2016,30(Z2):244-247. |
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| Authors: | XIE Min SONG Xiwen ZHOU Fen GAO Jianquan BAO Jinxiao and AN Shengli |
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| Affiliation: | School of Metallurgy Ecological Engineering, University of Science and Technology Beijing, Beijing 100083;School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010,School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010,School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010,School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010,School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010 and School of Metallurgy Ecological Engineering, University of Science and Technology Beijing, Beijing 100083;School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010 |
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| Abstract: | |
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| Keywords: | Sm2Zr2O7 themal barrier coatings pyrochlore structure thermal conductivities |
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