With the increasing demand for a high thrust-to-weight ratio and highly efficient aero-engines

the development of engine blades is moving towards a complex hollow structure

and therefore places greater demands for ceramic core with high-performance complex structures. Meanwhile

the additive manufacturing technology

based on the principle of lithography

can realize the preparation of ceramic cores with high precision

high speed and excellent comprehensive performance without metal molds. However

the state-of-the-art ceramic core preparation processes

based on lithography-based additive manufacturing

still faces several problems in controlling dimensional accuracy

optimizing the binding

sintering process and controlling crack deformation. Therefore

the research progress of the preparation and sintering process of lithography-based ceramic slurry is discussed

focusing on the comprehensive performance

based on the introduction of the principle and characteristics of lithography-based additive manufacturing technology. At last

the application examples of light-curing cores/shells in the precision casting of aero-engine blades and further application prospects are also introduced.