Morphology and properties of new porous biocomposites based on biogenic hydroxyapatite and synthetic calcium phosphates

Abstract

The new porous biocomposites have been obtainted using calcium phosphates (SCP-glass) synthesized by chemical precipitation and the biogenic hydroxyapatite (BHA-glass) extracted from animal bones. The composites prepared at the same conditions have a density of about 2.78 g/cm3 (SCP-glass) and 2.92 g/cm₃ (BHA-glass) and show good compression strength of about 127 MPa (SCP-glass) and 98 MPa (BHA-glass). The recrystallization of phosphates in composites due to their liquid phase sintering has been revealed.