Processing of C/SiC-Cu composites by solution infiltration and reduction

A new process of preparation of C/SiC-Cu composite by copper dichloride saturated solution infiltration and reduction was investigated. The conditions of reduction were studied primarily. The phase identification and microstructure of the C/SiC-Cu composite were analyzed by XRD, EDS and SEM. Mechanical properties were evaluated by the three-point flexural test. The results show that the main influencing factors of mass gain are porosity and repeat times. It has been observed that the particle-like or block-like Cu infiltrates into the pores among fiber bundles, also among the filaments. The infiltration of Cu hardly has any effect on the flexural strength of C/SiC-Cu composite.