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Madrid, Spain

Carrodeguas R.G.,Institute Ceramica | De Aza P.N.,University Miguel Hernandez
Boletin de la Sociedad Espanola de Ceramica y Vidrio | Year: 2011

A full compilation of Salvador De Aza works on biomedical materials is a huge task beyond the aim of this paper; instead it is intended to stand out De Aza's thoughts and leadership in the field of Bioceramics and to pay tribute to his memory. The most outstanding works of Professor Salvador De Aza related to Bioceramics, from the point of view of the authors, are commented and discussed. Topics the authors chose among many other De Aza's works on biomedical materials are: The prediction and demonstration of bioactivity in pseudo-wollastonite ceramics; the use of phase diagrams to design bulk-bioactive ceramics with eutectic microstructures; the relationship between bioactivity and microstructure in ceramic biomaterials; and the studies on the polymorphic phase transitions in tricalcium phosphate. Source

Pascual C.,Institute Ceramica | Criado E.,Institute Ceramica | Recio P.,Institute Ceramica | Martinez R.,Institute Ceramica | And 3 more authors.
Boletin de la Sociedad Espanola de Ceramica y Vidrio | Year: 2011

This work deals with an original class of porcelain produced under the direction of Bartolomé Sureda in the last years (1803-1808) of the Royal Porcelain Factory of Buen Retiro. The results of the chemical and mineralogical analysis of a selection of tableware, tiles and sculpture shards, found in the archaeological excavation (1996) of the site where the factory was built, confirm the production of a new hard-paste porcelain where the kaolin was substituted by a magnesium clay, the sepiolite. The characteristics of pastes and glazes and the investigation of the historic and scientific contexts of porcelain and white earthenware in Europe have allowed establishing the reasons and the technical parameters of this production. Replicas of the paste were done in the laboratory to assert the raw materials and the firing conditions of this porcelain. Source

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