The effect of solid volume fraction on properties of ZTA composites by gelcasting using DMAA system

► A low-toxicity monomer N,N-dimethyl acrylamide (DMAA) was used for the gelcasting. ► The bending strength of green bodies could reach higher than 20 MPa. ► The materials (α-Al2O3 and ZrO2) used in the experiment are very cheap. ► The highest bending strength and fracture toughness are 643.3 MPa and 6.3 MPa m1/2.