The particulars of the crystallization of calcium-phosphate glass powders with particle size 90 -400 mm are investigated, the structure and phase composition of the crystallized materials are determined, and the sintering regime for narrow powder fractions for obtaining the maximum possible open porosity is optimized. The porosity of the sintered glassceramic materials is 25%, and the pore size is of the order of 100 mm. The materials obtained release into a water medium calcium cations and phosphate anions, which is the price for their successful adaptation in a living organism.Interest in materials for bone endoprostheses based on calcium phosphates remains unabated, despite the more than 30 year history of the development of such materials. Investigations searching for new solutions which are capable of adapting calcium-phosphate endoprostheses and implants in a living organism and increasing their lifetime and therefore improving the health and extending the active lifetime of people are being conducted intensively in scientific centers in Europe, America, Japan, and China.
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