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Microstructure of Al2O3/SiO2 ceramic core nano-composites

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【作者】 赵红亮； 翁康荣； 关绍康； 楼琅洪； 李英敖； 赵惠田； 胡壮麒；

【Author】 ZHAO Hong-liang~1, WENG Kang-rong~1, GUAN Shao-kang~1, LOU Lang-hong~2, LI Ying-ao~2, ZHAO Hui-tian~2, HU Zhuang-qi~2 (1. College of Materials Engineering, Zhengzhou University, Zhengzhou 450002, China; 2. Institute of Metal Research, Chinese Academy of Science, Shenyang 110016, China)

【机构】 College of Materials Engineering； Institute of Metal Research； Chinese Academy of Science； Chinese Academy of Science Zhengzhou University； Zhengzhou 450002； China； Zhengzhou University； Shenyang 110016； China；

【Abstract】 Al2O3/SiO2 ceramic core nano-composites were prepared and their microstructure was investigated by transmission electron microscope（TEM）. The results show that intergranular nano-composites are achieved. The bonding between Al2O3 and SiO2 particles is well and the interface is even. Amorphous phases and nano crystals appear in the Al2O3/SiO2 ceramic core nano-composites, which both come into being during the cooling process after sintering. Glass phase does not appear between the Al2O3 and SiO2 particles and only appears among the Al2O3 particles, which can be explained with stress model. The quantity of the glass phase is not much and its influence on the high-temperature deformation of the ceramic core nano-composites is little.

【关键词】 ceramic core nano-composite； microstructure； glass phase； stress model；
【Key words】 ceramic core nano-composite； microstructure； glass phase； stress model；
【基金】 ProjectsupportedbythePostdoctoralScienceFoundationofChina
  • 【文献出处】 Transactions of Nonferrous Metals Society of China ,中国有色金属学会会刊(英文版) , 编辑部邮箱 ,2004年03期
  • 【分类号】TB332
  • 【被引频次】2
  • 【下载频次】57
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