Microstructure of in Situ Produced TiC/Ti5Si3 Nanocomposite

Abstract

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 Ti₃SiC₂in this nanocomposite. Some elongated Ti₃SiC₂ grains are located in Ti₅Si₃ matrix and the rest
Ti₃SiC_₂ 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.

Key words: in situ, TiC, Ti₅Si₃, nanocomposite

CLC Number:

TB323

LI Jian-Lin,JIANG Dong-Liang,TAN Shou--Hong. Microstructure of in Situ Produced TiC/Ti₅Si₃ Nanocomposite[J]. Journal of Inorganic Materials.

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Microstructure of in Situ Produced TiC/Ti₅Si₃ Nanocomposite

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