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Artículo

Thermal Evolution of Na2O-K2O-CaO-SiO2-P2O5-Al2O3 Glass System, and Possible Applications as Biomedical Devices

Stábile, Franco MatíasIcon ; Volzone, CristinaIcon ; Ortiga, JoseIcon
Fecha de publicación: 04/2015
Editorial: Elsevier
Revista: Procedia Materials Science
ISSN: 2211-8128
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Recubrimientos y Películas

Resumen

Bioceramics are widely used materials as filling bone and implants, which can be classified into three groups according to theirreactivity with the body fluid and its interaction with the bone tissue: bioinert, resorbable or bioactive. Within the last classmentioned are bioactive glasses and glass-ceramics.One of the most researched topics in this area is based on ensuring the ability of the implant to long term survival, as well asimproves its mechanical properties. Hence, glass-ceramics are produced by a controlled crystallization of a glass, which enablesto obtain very small crystallite sizes, that increases considerably the mechanical resistance and durability of the material. TheSiO2-CaO-P2O5-Na2O system is the most widely used for the production of bioactive glasses, which can be added to othercompounds such as Al2O3 that, forming part of some crystal phase in the glass- ceramic, that can provide improved mechanicalproperties.In this work, two glasses were prepared starting from commercial Bioglass composition, adding potassium and aluminum. Bothwere included in the formulation by means of purified feldspar. Performed tests were differential thermal analysis and X-raydiffraction in order to follow up thermal transformation and to reveal the developed phases after such treatments.
Palabras clave: Bioceramics , Feldspar , Crystallization , X Ray Difraction
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/48975
DOI: http://dx.doi.org/10.1016/j.mspro.2015.04.081
URL: https://www.sciencedirect.com/science/article/pii/S2211812815000826
Colecciones
Articulos(CETMIC)
Articulos de CENTRO TECNOL.DE REC.MINERALES Y CERAMICA (I)
Citación
Stábile, Franco Matías; Volzone, Cristina; Ortiga, Jose; Thermal Evolution of Na2O-K2O-CaO-SiO2-P2O5-Al2O3 Glass System, and Possible Applications as Biomedical Devices; Elsevier; Procedia Materials Science; 8; 4-2015; 332-337
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