Preparation of α-TCP Cements from Calcium Deficient Hydroxyapatite Obtained by Hydrothermal Method |
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| Journal | Key Engineering Materials (Volumes 309 - 311) |
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| Volume | Bioceramics 18 |
| Edited by | Takashi Nakamura, Kimihiro Yamashita and Masashi Neo |
| Pages | 821-824 |
| DOI | 10.4028/www.scientific.net/KEM.309-311.821 |
| Citation | B. Jokic et al., 2006, Key Engineering Materials, 309-311, 821 |
| Online since | May, 2006 |
| Authors | B. Jokic, I. Jankovic-Castvan, Dj. Veljković, R. Petrović, S. Drmanic, Dj. Janaćković |
| Keywords | a-TCP Cements, Calcium Deficient Hydroxyapatite, Synthesis |
| Abstract | In this paper the synthesis of bioactive cement based on α-Ca3(PO4)2 (α-TCP) and calcium deficient hydroxyapatite (CDHAp), obtained by hydrothermal method from CaCl2, EDTA, NaH2PO4·12H2O and urea at 160oC, was described. According to the results of DTA, SEM, X-ray and FTIR analyses performed in this investigation, it is shown that CDHAp is transformed to β- TCP at 780oC, and to α-TCP at 1400oC. The hardening of the samples, prepared from the mixture of α-TCP and 2.5 % solution of Na2HPO4, in simulated body fluid at 37oC, was followed by the microstructure changes. |
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