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Trans Tech Publications, Materials Science Forum, (775-776), p. 92-96, 2014

DOI: 10.4028/www.scientific.net/msf.775-776.92

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Effect of the Addition of TiO<sub>2</sub> Nanoparticles on the Sinterability of a Glass Belonging to the LZSA Glass-Ceramic System

Journal article published in 2014 by Francielly Roussenq, Francielly Roussenq Cesconeto, Graziela G. de Moraes, Graziela Guzzi De Moraes, João Batista, João Batista Rodrigues Neto ORCID, Fabiano Raupp-Pereira ORCID, Dachamir Hotza ORCID, Pedro Antonio, Antonio Pedro Novaes de Oliveira, Novaes De Oliveira
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In this work aqueous ceramic suspensions were prepared from a parent glass-ceramic powder (3.8 μm) belonging to the LZSA (Li2O-ZrO2-SiO2-Al2O3) system without or with additions of different volume fractions (1.0-7.5%) of TiO2 nanoparticles (25 nm). The obtained suspensions were rheologically characterized so that stable suspensions were defined e formed by slip casting. The obtained compacts were sintered (850-950°C/60 min) and their green and sintered densities were determined and related to linear shrinkage measurements. The results showed that samples sintered at 950oC for 60 min with 1.0% TiO2 addicted presented linear shrinkage of 12% and relative densities of 97%.