This work was financially supported by the National Natural Science Foundation of China(Nos.52372059,52172068,52232004,and 52002092);the Heilong Jiang Natural Science Fund for Young Scholars(No.YQ2021E017);the Fundamental Research Funds for the Central Universities(No.2022FRFK060012);the Heilongjiang Touyan Team Program,and the Advanced Talents Scientific Research Foundation of Shenzhen:Yu Zhou;This work was also funded by the Beijing Engineering Research Center of Efficient and Green Aerospace PropulsionTechnology and Advanced Space Propulsion Laboratory of Beijing Institute of Control Engineering(BICE)(No.LabASP-2023-11).
In this study,a crack-free pyrolysis process of partially cured precursor powder compacts was developed to prepare dense silicon boron carbonitride(SiBCN)monoliths at much lower temperatures(1300℃),thereby circumvent...