EFFECT OF THE ADDITION OF TiO2 NANOPARTICLES ON THE SINTERABILITY OF A GLASS BELONGING TO THE LZSA GLASS-CERAMIC SYSTEM\

被引：1
|
作者：
Cesconetot, Francielly R. [1 ,2 ]
de Moraes, Graziela G. [1 ,2 ]
Rodrigues Neto, Joao B. [1 ,2 ]
Raupp-Pereira, Fabiano [1 ,2 ]
Hotza, Dachamir [4 ]
Pedro Novaes de Oliveira, A. [1 ,2 ,3 ]
机构：
[1] Univ Fed Santa Catarina, Grad Program Mat Sci & Engn PGMAT, BR-88040900 Florianopolis, SC, Brazil
[2] Univ Fed Santa Catarina, Lab GlassCeram Mat, BR-88040900 Florianopolis, SC, Brazil
[3] Univ Fed Santa Catarina, Dept Chem Engn, BR-88040900 Florianopolis, SC, Brazil
[4] Fed Univ Santa Catarina UFSC, Dept Chem Engn EQA, BR-88040900 Florian Opolis, SC, Brazil
来源：
20TH BRAZILIAN CONFERENCE ON MATERIALS SCIENCE AND ENGINEERING | 2014年 / 775-776卷
关键词：
Glass-ceramics; nanoparticles; rheology; slip casting;
D O I：
10.4028/www.scientific.net/MSF.775-776.92
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work aqueous ceramic suspensions were prepared from a parent glass-ceramic powder (3.8 mu m) 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 degrees C/60 min) and their green and sintered densities were determined and related to linear shrinkage measurements. The results showed that samples sintered at 950 degrees C for 60 min with 1.0% TiO2 addicted presented linear shrinkage of 12% and relative densities of 97%.
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页码：92 / +
页数：2
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