Si_(3)N_(4)/SiCN ceramics have been extensively explored for applications in the aerospace,mechanical engineering,and biomedical fields.Recently,there has been significant focus on the additive manufacturing(AM)of pol...Si_(3)N_(4)/SiCN ceramics have been extensively explored for applications in the aerospace,mechanical engineering,and biomedical fields.Recently,there has been significant focus on the additive manufacturing(AM)of polymer-derived ceramic(PDC)technology for fabricating Si_(3)N_(4)/SiCN ceramics.The chemical structure and composition of the preceramic polymer precursors have a crucial influence on the performance of ceramic products.In this paper,recent advances in the use of polysilazane and polycarbosilazane precursors in AM are reviewed and an outlook for future development is presented.The findings of this study could spark inspiration and reflection regarding AM applications and synthetic technology.It is believed that the development of PDCs in ceramic fabrication will become more versatile and application-oriented and provide more freedom in the design of high-performance ceramics.展开更多
基金supported by Natural Science Basic Research Pro-gram of Shaanxi in China(Grant.No.2023-JC-YB-388)National Nat-ural Science Foundation of China(Grant.No.52005392)Fundamental Research Funds for the Central Universities in China,and the Youth In-novation Team of Shaanxi Universities in China.
文摘Si_(3)N_(4)/SiCN ceramics have been extensively explored for applications in the aerospace,mechanical engineering,and biomedical fields.Recently,there has been significant focus on the additive manufacturing(AM)of polymer-derived ceramic(PDC)technology for fabricating Si_(3)N_(4)/SiCN ceramics.The chemical structure and composition of the preceramic polymer precursors have a crucial influence on the performance of ceramic products.In this paper,recent advances in the use of polysilazane and polycarbosilazane precursors in AM are reviewed and an outlook for future development is presented.The findings of this study could spark inspiration and reflection regarding AM applications and synthetic technology.It is believed that the development of PDCs in ceramic fabrication will become more versatile and application-oriented and provide more freedom in the design of high-performance ceramics.