TY  - JOUR
T1  - Preparation of Hydroxyapatite and Bioactive Glass Ceramic to Get
Biocomposite by Using a Genetic Algorithm Method
AU - Al-Dujaili, Mohammed A. Ahmed AU - Abdalwahad, Raghda Ibrahim AU - Edrees, Shaker J. 
JO  - Journal of Engineering and Applied Sciences
VL  - 13
IS  - 5
SP  - 1046
EP  - 1051
PY  - 2018
DA  - 2001/08/19
SN  - 1816-949x
DO  - jeasci.2018.1046.1051
UR  - https://makhillpublications.co/view-article.php?doi=jeasci.2018.1046.1051
KW  - Hydroxyapatite
KW  -bioactive glass ceramic
KW  -sol-gel approach
KW  -melt derived process
KW  -genetic algorithm method
KW  -tetrahydrat
AB  - In this study, hydroxyapatite was prepared synthetically by the sol-gel approach. The precursors
used were calcium nitrate tetrahydrate and di-ammonium hydrogen phosphate. The bioactive glass ceramic was
obtained by melt derived process. Particle size analyzer was used to determine the size of the prepared powders
and XRD have been used to characterize the prepared powder phases and the crystallites size. Biocomposite
was prepared via. mixing different proportions of bioactive glass ceramic 0, 5, 15, 25 wt.% with hydroxyapatite
by using 5% bioactive glass ceramic, hydroxyapatite was phase transformed to β-TCP. Thus, bioactive glass
ceramic works only as a sintering aid while at using 15 and 25% bioactive glass ceramic, it reacts with HA to
give sodium calcium phosphate Na<sub>3</sub> Ca<sub>6</sub> (PO<sub>4</sub>)<sub>5</sub> which is a new bioceramic on which research is still going on 25% 
the bioactive glass was used with HA obtained from bovine bone and it gave the same phase (sodium calcium
phosphate Na<sub>3</sub> Ca<sub>6</sub> (PO<sub>4</sub>)<sub>5</sub>.
ER  -