The effect of MgCl2.6H2O and NaF on properties of Chitosan / HAAl2O3 Scaffold
الموضوعات : Journal of NanoanalysisFateme Mirjalili 1 , Ali Kafashiyan 2 , Esmail Salahi 3
1 - Department of Material Engineering, Maybod Branch, Islamic Azad University, Maybod, Iran
2 - Department of Material Engineering, Yazd Branch, Islamic Azad University, Yazd, Iran
3 - Energy and Environmental Department, Materials and Energy Research Center, Karaj, Iran
الکلمات المفتاحية: Chitosan, Nano Scaffold, HA Alumina, HA- Al2O3 scaffold,
ملخص المقالة :
The HA- Al2O3 nanocomposite was produced by the precipitation method. In thefirst study, the effect of MgCl2.6H2O and NaF additives on HA-Al2O3 nano-composite powderwere studied and the second, chitosan / HA- Al2O3 scaffold was prepared byfreeze casting method. The phase and microstructure and morphology analysisof nanocomposite and scaffold were performed by XRD, FT-IR, FESEM, and TEM.X-ray diffraction test results along with infrared spectroscopy indicated that, theHA- Al2O3 nanocomposite without impurities was produced. TEM results showedthat the produced nano composite particle sizes were reported between 30-50nm.Moreover, the porosity percentages of scaffold without additive was about56% and with NaF as an additive was about 63 %, however, the scaffold withMgCl2.6H2O additive with 70% porosity had the highest porosity percentage. Thecompressive strength of the SFA scaffold exhibited a two-fold strength comparedto the SMA scaffold, which indicated the improved mechanical compatibility ofthe SFA scaffold.
