Microstructure and mechanical properties of TiCP/LD7 composite prepared by SHS/HE

TiCP/LD7 matrix composites were prepared by self-propagating high-temperature synthesis and hot extrusion (SHS/HE) technology. Phase constituents of the composite and the morphology and distribution of TiC particles in matrix have been investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. Mechanical properties and the coefficient of thermal expansion (CTE) of the composite were tested at room temperature and elevated temperature. The results have shown that the TiCP/LD7 matrix composites possess good mechanical properties and thermal stability.