Impact of sintering aid type and content on the mechanical properties of digital light processing 3d-printed si3n4 ceramics

HIGHLIGHTS

• What: This study investigates the effects of three commonly used non-oxide and oxide sintering aids on the mechanical properties of Si3N4 produced by DLP 3D printing. The analysis reveals that the distribution of N, O, Al/Al-Y, and Si elements in the Si3 N4 -based ceramic composites is relatively uniform, indicating that the added sintering additives effectively bonded with the Si3 N4 matrix grains during the sintering process. While this study explored the role of crack deflection and bridging mechanisms in enhancing fracture toughness, future research could further leverage advanced microstructural analysis techniques, such as . . .
  

   

  

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