1. SEM images and particle size distributions of powder and particles(a) SEM image of raw SiC particles; (b) SEM image of raw phenolic resin particles; (c) SEM image of a single granulated ball; (d) SEM image of GP; (e) Particle size distributions of raw SiC powder and granulated powder

2. Thermal analyses of resin and GP(a) TG-DTA curves of granulated powder; (b) TG-DTA curves of phenolic resin

3. Photos of RP25 samples prepared by SLS, the bulk density and open porosity of different SiC green bodies, and the pore size distribution of GP and RP25 green body with the same binder content(a) Digital images of RP25 samples prepared by SLS, print part (left), green body (right); (b) Influence of different samples on the bulk density and open porosity; (c) Pore size distribution of the green body formed by RP25 and GP

4. SEM images of fracture surfaces and bending strength of different samples(a) RP15; (b) RP20; (c) RP25; (d, e) GP; (f) Bending strength of different green body

5. Bonding principle of SiC particles and residual CBlue irregular block: SiC particles; Yellow block: C