Fig. 2: Rheology test and 3D printing of LM-SiO2 composites.

a The average elastic modulus and b yield stress are derived from the oscillation amplitude sweep. c The yield stress is derived from the stress growth test. d The viscosity at a shear rate of 10 s−1 is derived from the flow sweep test. Photographs of 3D-printed liquid metal structures: e one-layer star and f four-layer star.