Figures & data
Table 1. Nomenclature used to differentiate the slurry and raw materials composition.
Figure 1. The preparation process of the SiO2f/SiO2 composite paste.
Figure 2. The samples at different stages and the debinding curve: (a) ultraviolet photocured samples, (b) debinding samples, (c) sintered samples, (d) debinding curve and (e) sintered complex structural samples.
Figure 3. The morphology and particle size analysis of the pre-treatment materials: (a) the mixed SiO2 ceramic powder, (b) SiO2f, (c) the stacking density of the mixed SiO2 ceramic powder with different mass ratio and (d) the particle size distribution of the mixed powder.
Figure 4. The influence of powder pre-treatment on contact angle and viscosity: (a) the contact angle between the pre-treated SiO2 ceramic powder and the hybrid photosensitive resin, (b) the paste viscosities, and (c) the modification mechanism.
Figure 5. The processes of the laser passing through the ceramic paste and the DDR of the green body: (a) the laser scattering and transmission mechanism and (b) DDR.
Figure 6. The orientation distribution of fibers in the green body of the SiO2f/SiO2 composite: (a) the orientation distribution of fibers and (b) the statistical distribution of the angle.
Figure 7. The phase composition of the SiO2f/SiO2 composite ceramic at different sintering temperatures.
Figure 8. The effect of sintering temperature on the bulk density, open porosity, sintering shrinkage, and mechanical properties of the SiO2f/SiO2 composite ceramics: (a) bulk density and open porosity, (b) sintering shrinkage, and (c) flexural strength.
Figure 9. The effect of the sintering temperature on the dielectric properties of the SiO2f/SiO2 composite ceramics: (a) dielectric constant and (b) dielectric loss tangent.
Figure 10. The fracture morphology of the SiO2f/SiO2 composite ceramic at different sintering temperatures: (a) 800°C, (b) 900°C, (c) 1000°C, (d)~(f) fiber morphology at 900°C.
