http://www.cnr.it/ontology/cnr/individuo/prodotto/ID43586
Surface coatings of bioactive glasses on high strength ceramic composites (Articolo in rivista)
- Type
- Label
- Surface coatings of bioactive glasses on high strength ceramic composites (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Martorana S.; Fedele A.; Mazzocchi M.; Bellosi A. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
- In: Applied Surface Science, vol. 255 pp. 6679 - 6685. Elsevier, 2009. (literal)
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR-ISTEC, Faenza (literal)
- Titolo
- Surface coatings of bioactive glasses on high strength ceramic composites (literal)
- Abstract
- Dense and ultrafine alumina-zirconia composites (Al2O3-16 wt%ZrO2 and ZrO2-20 wt%Al2O3) are developed and characterized for load bearing prosthetic applications. The improvement of the ceramic/ bone interface, namely of the ceramic bioactivity, is performed by a glass coating on the surface of the composites. A new composition is used to produce the glass powder, by melting at 1550°C the mixture of oxide raw materials. The processing to obtain a homogeneous and adherent coating on the ceramic substrates is investigated: the optimal temperature for the glazing treatment is 1200°C. The microstructure of the coating and of the ceramic/coating interface, the adhesion and some mechanical properties of the prepared glass and of the coating are analyzed. Besides, the in vitro bioactive responses, by incubation of osteoblast-like cells on the coated samples, are evaluated: positive results are confirmed after 24h and 72h (literal)
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