The effect of nanobioactive glass-ceramic on the fabrication of titanium implant |
Paper ID : 1349-UFGNSM-FULL (R1 |
Authors: |
Abstract: |
Titanium implants possess a good biocompatibility among metrials used for medical application. Bioactive glass-ceramic have ability of hard tissue regeneration because of similarity to bone mineral phase. Beside, because this powder particles have a lower melt temperature than titanium, therefore they are used as help-sinter at powder metallurgy process. At this work, titanium-bioactive glass-ceramic composite were fabricated with addition of TiH2 as foaming agent and 5wt%, 10wt%, 15wt% nanocomposite bioactive glass-ceramic. Nanocomposite powder mixture was uniaxially pressed at pressure of 450MPa and sintered at 1000C for 3h. the changes of microstructure were evaluated by scanning electron microscopy (SEM) equipped with EDAX and X-ray diffraction method (XRD).compression tests were performed to assess mechanical properties at room temperature. The results show that ultimate phase of sintered specimens are titanium oxides mineral contain of anatase and rutile. All samples had near 25% porosity.an improved strength was achieved by addition of nano bioglass. |
Keywords: |
titanium, implant, nano bioactive glass-ceramic, powder metallurgy |
Status : Paper Accepted (Poster Presentation) |