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The addition of TiC (5–10 wt.%) and C (5 wt.%) was found to enhance the sinterability of SHS produced ZrB 2 powder. The densification increased to 94% of the theoretical density with the addition of carbon and TiC. The oxygen impurities normally present on the surface of this diboride powder leads to exaggerated grain-growth during sintering and hinders densification. The addition of C and...
Fabrication of β-SiC mats using natural fibers was investigated by incorporating tetraethyl orthosilicate (TEOS) into the micro-tunnels of the Jute fibers and pyrolysing them at elevated temperatures. The silicon compound (TEOS) impregnated Jute mats were hydrolyzed by adding HCl or ammonia solution at room temperature and subsequently, the mats containing silicon hydroxide were pyrolysed in inert...
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