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Fully dense composites of Zr 3 [Al(Si)] 4 C 6 were prepared by reactive hot-pressing. The composites were prepared from ZrH 2 , Al, Si, C and B 4 C and contained 10–30vol% ZrB 2 +ZrC in a 2-to-1M ratio. As reinforcing agents, ZrB 2 and ZrC exhibited strengthening and toughening effects to the Zr 3 [Al(Si)] 4 C 6 matrix...
Based on thermodynamic analysis, fully densified (TiB 2 +SiC)/Ti 3 SiC 2 composite ceramics were in situ prepared by hot-pressing at 1350–1500°C using TiH 2 , TiC, Si, B 4 C and Al powders as raw materials, in which the main phases are Ti 3 SiC 2, TiB 2 and SiC. As reinforcing agents, columnar TiB 2 grains and granular SiC grains,...
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