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Communication Dans Un Congrès Année : 2009

Synthesis of Si-substituted b-tricalcium phosphate ceramics with controlled composition

Résumé

Pure b-tricalcium phosphate (bTCP) and Si-substituted b-tricalcium phosphate powders with compositions ranging from x = 0.01 to 0.20 were synthesized using a wet precipitation method. The results showed that the addition of Si decreased the maturation time of single-phase Si-substituted bTCP. For longer maturation time, other phases were observed such as hydroxyapatite (HA) and a-tricalcium phosphate (aTCP). The Si incorporation was confirmed by X-ray diffraction with Rietveld refinement, indicating an increase of the lattice volume from 3524.88 Å3 for pure bTCP to 3527.41 Å3 with increasing Si content.
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Dates et versions

hal-00345152 , version 1 (08-12-2008)

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M.K. Mekki Berrada, Chantal Damia, T.J. Champion. Synthesis of Si-substituted b-tricalcium phosphate ceramics with controlled composition. 21st International on Ceramics in medicine, The Annual Meeting of the International Society for Ceramics in Medicine (ISCM), Oct 2008, Buzios, Brazil. pp.165-168, ⟨10.4028/3-908453-07-0.165⟩. ⟨hal-00345152⟩
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