Abstract
The possibility of strengthening chitosan-containing calcium phosphate bone cements sintered with tricalcium phosphate granules was studied. The strength was found to depend on the granules content in a nonmonotonic manner. For materials reinforced with 300–500 µm granules in the amount of 20 wt %, the compression strength of about 15 MPa was reached on day 14 of air hardening, which was 50% higher than that of the unreinforced cement matrix. The main crystalline phase of the cement matrix is amorphous calcium phosphate. Dissolution of cement in isotonic saline corresponds to first-order reaction kinetics.
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Original Russian Text © A.Yu. Teterina, A.A. Egorov, A.Yu. Fedotov, S.M. Barinov, V.S. Komlev, 2015, published in Materialovedenie, 2015, No. 5, pp. 52–56.
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Teterina, A.Y., Egorov, A.A., Fedotov, A.Y. et al. Strengthening of deformable bone cements in the calcium phosphates–chitosan system by tricalcium phosphate granules. Inorg. Mater. Appl. Res. 7, 20–23 (2016). https://doi.org/10.1134/S2075113316010251
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DOI: https://doi.org/10.1134/S2075113316010251