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Transactions of the INDIAN CERAMIC SOCIETY   Vol. 78  2019
Preparation of ex-situ Mixed Sintered Biphasic Calcium Phosphate Ceramics from Its Co-Precipitated Precursors and Their Characterization
Ritwik Sarkar,a Akanksha Agrawala and Rupita Ghosha, b, *
Pages : 101-107
DOI : 10.1080/0371750X.2019.1619484
Abstract
Biphasic calcium phosphate (BCP) ceramics was synthetically prepared by ex-situ method using hydroxyapatite (HAp) and beta tricalcium phosphate (-TCP) powders. Both HAp and -TCP were prepared by wet chemical co-precipitation and calcination method and were then mixed at two different weight ratios of 60:40 and 70:30. The mixed BCPs were then pressed and sintered at 1200o and 1250oC. Sintered pure HAp and -TCP were also prepared for comparison purpose. Sintered products were then characterized for various properties. Higher density and strength values were found for the composition with higher HAp content and also the bioactivity on immersion in SBF (simulated body fluid) solution was found to be higher for HAp containing composition. [Keywords: Hydroxyapatite, Beta tricalcium phosphate, Biphasic calcium phosphate, Sintering, Bioactivity]
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