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原位生成TiC/Ti5Si3纳米复合材料的显微结构研究

李建林 江东亮 谭寿洪

无机材料学报2000,Vol.15Issue(2):336-340,5.
无机材料学报2000,Vol.15Issue(2):336-340,5.

原位生成TiC/Ti5Si3纳米复合材料的显微结构研究

Microstructure of in Situ Produced TiC/Ti5Si3 Nanocomposite

李建林 1江东亮 1谭寿洪1

作者信息

  • 1. 中国科学院上海硅酸盐研究所高性能陶瓷和超微结构国家重点实验室,上海200050
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摘要

Abstract

The microstructure of in situ produced TiC/Ti5Si3 nanocomposite was studied. The results show that TiC/Ti5Si3 nanocomposite can be fabricated by reactively hot pressing the mixed powders of SiC and Ti. Almost TiC grains are nanosized, and there is a small amount of Ti3SiC2 in this nanocomposite. Some elongated Ti3SiC2 grains are located in Ti5Si3 matrix and the rest Ti3SiC2 grains in TiC grains. There is no amorphous phase on the grain boundaries of TiC and Ti5Si3 or TiC and Ti3SiC2. Some monatomic steps can be observed at the grain boundary of TiC and Ti5Si3.

关键词

原位/碳化钛/硅化钛/纳米复合材料

Key words

in situ/TiC/Ti5Si3/nanocomposite

分类

通用工业技术

引用本文复制引用

李建林,江东亮,谭寿洪..原位生成TiC/Ti5Si3纳米复合材料的显微结构研究[J].无机材料学报,2000,15(2):336-340,5.

无机材料学报

OA北大核心CSCDCSTPCDSCI

1000-324X

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