Funct. Mater. 2014; 21 (4): 487-491.
Effect of microwave sintering temperature on structure and properties of bioceramics based on biogenic hydroxyapatite
[1] National Technical University of Ukraine "Kyiv Polytechnical Institute", 37 Peremogy Ave., 03056 Kyiv, Ukraine
[2] I.Frantsevich Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, 3 Krzhyzhanovsky Str., 03680 Kyiv, Ukraine
The present work demonstrates the possibility to produce medicine-aimed ceramics on the basis of biogenic hydroxyapatite with structural-mechanical properties required for replacement of the bone tissue defects using techniques of microwave sintering at 800-1100°C. It has been established that porosity of the bioceramics obtained in the temperature range of 800-1000°C (5 min exposure to the maximal temperature) equals about 40 %, whereas at 1100°C it decreases down to 37 %. Compression strength increases with increasing the temperature from 25 to 38 MPa.
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