Fabrication of High-Purity Ti3SiC2 Powders by an In Situ Reaction of Polycarbosilane and Metal Titanium
High-purity titanium silicon carbide powders were fabricated by an in situ reaction of polycarbosilane and metal titanium. The effects of the starting reagents and the pyrolysis temperature on the fabrication of high-purity Ti3SiC2 were studied. The results showed that high-purity Ti3SiC2 could be obtained when the atomic ratio of Ti:Si was 3:1.5 and the effect of the temperature of pyrolysis on the purity of the powders was insignificant. The atomic ratio of Ti:Si was calculated on the basis of the empirical formula of SiC2.5H7.
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Document Type: Research Article
Publication date: 2010-08-01