Bioactive glass coatings based on a novel SiO2-P2O5-CaO-K2O system (“Bio-K”) were deposited by the High-Velocity Suspension Flame Spraying (HVSFS) technique. Attrition-milled micrometric powder particles, dispersed in water+isopropanol, were sprayed onto Ti plates. The coatings remained entirely glassy, but the glass underwent some structural alterations during processing. After soaking in simulated body fluid (SBF), a quite uniform hydroxyapatite layer was developed on the coatings, which indicates they may have the potential to favour osseointegration of prosthetic implants.
Microstructure and in-vitro behaviour of a novel High Velocity Suspension Flame Sprayed (HVSFS) bioactive glass coating / Bolelli, Giovanni; Cannillo, Valeria; R., Gadow; A., Killinger; Lusvarghi, Luca; Sola, Antonella; N., Stiegler. - In: SURFACE & COATINGS TECHNOLOGY. - ISSN 0257-8972. - STAMPA. - 205:(2010), pp. 1145-1149. [10.1016/j.surfcoat.2010.03.063]
Microstructure and in-vitro behaviour of a novel High Velocity Suspension Flame Sprayed (HVSFS) bioactive glass coating
BOLELLI, Giovanni;CANNILLO, Valeria;LUSVARGHI, Luca;SOLA, Antonella;
2010
Abstract
Bioactive glass coatings based on a novel SiO2-P2O5-CaO-K2O system (“Bio-K”) were deposited by the High-Velocity Suspension Flame Spraying (HVSFS) technique. Attrition-milled micrometric powder particles, dispersed in water+isopropanol, were sprayed onto Ti plates. The coatings remained entirely glassy, but the glass underwent some structural alterations during processing. After soaking in simulated body fluid (SBF), a quite uniform hydroxyapatite layer was developed on the coatings, which indicates they may have the potential to favour osseointegration of prosthetic implants.
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