Volume 31, Number 2 (Dec 2012)                   jame 2012, 31(2): 1-11 | Back to browse issues page


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M. Mazrooei Sebdani, M. H. Fathi. Fabrication and characterization of hydroxyapatite-forsterite-bioactive glass nanostructured composite coating for biomedical applications . jame. 2012; 31 (2) :1-11
URL: http://jame.iut.ac.ir/article-1-539-en.html

Biomaterials Group, Department of Materials Engineering, Isfahan University of Technology
Abstract:   (2154 Views)
Despite excellent bioactivity of bioactive ceramics such as hydroxyapatite, their clinical applications have been limited due to their poor mechanical properties. Using composite coatings with improved mechanical properties could be a solution to this problem. Therefore, the strength of metal substrate and the bioactivity of the improved composite coating combined could yield suitable results. The aim of this work was fabrication and characterization of hydroxyapatite-forsterite-bioactive glass nanocomposite coating. The sol-gel technique was used to prepare hydroxyapatite-forsterite-bioactive glass nanocomposite in order to coat on 316L stainless steel (SS) by deep coating technique. The X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM) and energy dispersive X-ray analysis (EDX) techniques were used to investigate the microstructure and morphology of the prepared coating. The results obtained from XRD analysis showed that the suitable temperature for calcination is 600 °C. At this temperature, the homogenous and crack-free coating could attach to the 316L SS substrate. The crystallite size of composite coatings determined via AFM was lower than 100 nm. Overall, the results obtained from this work indicate that hydroxyapatite-forsterite-bioactive glass nanocomposite coating can be a good candidate for biomedical applications.
Full-Text [PDF 1277 kb]   (349 Downloads)    
Type of Study: Research | Subject: General
Received: 2015/02/9 | Accepted: 2015/05/6 | Published: 2015/05/6

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