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Three-dimensional (3D) and n-directional (n=4, 5, 6 and 7) woven (SiO 2 ) f /SiO 2 composites were prepared by silica sol-infiltration-sintering (SIS) method. All the woven reinforced structures were of the same fiber content, and the prepared samples were cut in the same manner parallel to the respective braiding direction. The effect of n-direction on mechanical properties...
2.5D (shallow straight-joint) quartz fibers-reinforced silica composites were successfully prepared by silicasol-infiltration-sintering method. The composites were sintered at 450°C and the density of the composite was up to 1.70g/cm 3 after 11 infiltration-sintering cycles. The characteristics of 2.5D (shallow straight-joint) structure were determined. Flexural strength and shear strength...
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