The behaviour of apatite-based ceramics in relation to the critical 1150 degrees-1250 degrees C temperature range.
Characterization of synthetic calcium phosphates is reported and compared with previous studies. Barium hydroxyapatite was also synthesized. Shrinkage on sintering, water absorption, tensile strength, porosity and X-ray diffraction patterns were studied. Hydroxyapatite and beta-tricalcium phosphate show compositional and mechanical property variation dependent on sintering temperatures. The property change on introduction of barium removes the practical value. X-ray diffraction analysis is considered essential before clinical use due to sensitivity of composition to sintering conditions.
D017609:Barium Compounds; D002130:Calcium Phosphates; D002516:Ceramics; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D017886:Durapatite; D006882:Hydroxyapatites; D013696:Temperature
D017609:Barium Compounds; D002130:Calcium Phosphates; D006882:Hydroxyapatites; C485817:beta-tricalcium phosphate; C041297:barium hydroxyapatite; D017886:Durapatite; C018392:tricalcium phosphate