“…Gel‐casting has experienced rapid progress because of its superiority for near‐net shaping homogeneous green body with relatively high density since its development by Omatete et al It has been used for making various types of ceramics including Al 2 O 3 , SiC, MgAl 2 O 4 , and so on. In the classic gel‐casting process, several kinds of organic additives are needed, which includes dispersant, organic monomers, and initiator.…”