Synthesis of Ti3SiC2/TiB2 composite by in-situ hot pressing (HP) method

Weibing Zhou; Bingchu Mei; Jiaoqun Zhu

doi:10.1007/s11595-007-6863-7

Journal of Wuhan University of Technology Materials Science Edition ›› 2008, Vol. 23 ›› Issue (6) : 863 -865. DOI: 10.1007/s11595-007-6863-7

Article

Synthesis of Ti₃SiC₂/TiB₂ composite by in-situ hot pressing (HP) method

Weibing Zhou ¹^,²^,^{^{^a}}
, Bingchu Mei ²
, Jiaoqun Zhu ¹

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Abstract

Ti₃SiC₂/TiB₂ composite was successfully obtained by hot pressing Ti/TiC/Si/B₄C power mixtures. Volume fraction of TiB₂ in Ti₃SiC₂/TiB₂ composite can not exceed 10%. Incorporation of excessive TiB₂ will affect the reactions process. TiC and Ti₅Si₃ were two important intermediate phases during the whole reactions. The microstructure characteristics of the Ti₃SiC₂/TiB₂ composites were analyzed using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The experimental results show that the grains of Ti₃SiC₂/TiB₂ composite are structured in a layered form, and the formation of TiB₂ particles as reinforcements with elongated or equiaxed shape distributes in Ti₃SiC₂ matrix.

Keywords

titanium silicon carbide / in-situ synthesis / TiB₂

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Weibing Zhou, Bingchu Mei, Jiaoqun Zhu. Synthesis of Ti₃SiC₂/TiB₂ composite by in-situ hot pressing (HP) method. Journal of Wuhan University of Technology Materials Science Edition, 2008, 23(6): 863-865 DOI:10.1007/s11595-007-6863-7

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