Online-Joining of C/SiC-C/SiC via Precursor Infiltration and Pyrolysis Process

Microstructure and mechanical properties of SiC bonded joints prepared by CVI

“…Liu et al realized a reaction joining process between C/SiC parts by using joining materials such as preceramic polymer, polysilazane and boron-modified phenolic resin [5,6]. Based on the reaction joining process, on-line joining techniques were developed such as on-line joining via chemical vapor infiltration (CVI) process [4,7]. However, these joining techniques only involve bonded joints, and the joining strength may be not enough for practical applications.…”

Microstructural characterization and failure analysis of 2D C/SiC two-layer beam with pin-bonded hybrid joints

“…For joining of ceramic matrix composite components, to avoid mismatching of the coefficient of thermal expansion, some joining techniques have been developed, such as reaction joining process [5], precursor infiltration and pyrolysis (PIP) [6,7], chemical vapor infiltration (CVI) on-line joining process [8] and reactive melt infiltration (RMI) joining process [9]. However, these joining techniques only involved adhesively bonded joints, and the joining strengths are still not enough to meet the requirement in practical application.…”