Ceramic Materials in the Tricalcium Phosphate–Trimagnesium Phosphate System

We have synthesized powders and produced ceramic materials in the tricalcium phosphate–trimagnesium phosphate system with a degree of Mg2+ substitution for Ca2+ up to 40 wt %. It has been shown that increasing the percentage of magnesium in the materials reduces their sintering temperature from 1300 to 1100°C. We have determined the phase composition of the materials and examined their microstructure. The results demonstrate that the addition of Mg2+ ions reduces the precipitation of Ca2+ ions from the ceramics to model fluids and leads to a considerable increase in their three-point bend strength: to 95–120 MPa.