PROCESSING AND CHARACTERIZATION OF SNCP (SiO2-Na2O-CaO-P2O5) GLASS-CERAMIC FOAMS. Glass-ceramics foams prepared from glasses of the SiO2-Na2O-CaO-P2O5 by replication process were obtained and characterized in terms of their chemical and physical properties by X-ray fluorescence, X-ray diffraction, laser diffraction, thermal analysis, density, mechanical strength, microstructural and cytotoxic analysis. The results showed that it is possible to produce glass-ceramic foams by the replication method with optimized properties but cytotoxic analysis indicates that the glass-ceramic foams are not bioactive materials. Mechanical strength values varying from 0.5 to 1.0 MPa and from 0.8 to 2.3 MPa were reached for mean particle sizes of 10 and 6 μm, respectively.
Processamento e caracterizacao de espumas vitroceramics do sistema SNCP (SiO2-Na2O-CaO-P2O5) / K. B., Mundstock; E., Guzi de Moraes; D., Hotza; A. P., Novaes de Oliveira; Siligardi, Cristina; S., Ota Rugero. - In: QUIMICA NOVA. - ISSN 0100-4042. - ELETTRONICO. - 33:3(2010), pp. 598-602. [10.1590/s0100-40422010000300021]
Processamento e caracterizacao de espumas vitroceramics do sistema SNCP (SiO2-Na2O-CaO-P2O5)
SILIGARDI, Cristina;
2010
Abstract
PROCESSING AND CHARACTERIZATION OF SNCP (SiO2-Na2O-CaO-P2O5) GLASS-CERAMIC FOAMS. Glass-ceramics foams prepared from glasses of the SiO2-Na2O-CaO-P2O5 by replication process were obtained and characterized in terms of their chemical and physical properties by X-ray fluorescence, X-ray diffraction, laser diffraction, thermal analysis, density, mechanical strength, microstructural and cytotoxic analysis. The results showed that it is possible to produce glass-ceramic foams by the replication method with optimized properties but cytotoxic analysis indicates that the glass-ceramic foams are not bioactive materials. Mechanical strength values varying from 0.5 to 1.0 MPa and from 0.8 to 2.3 MPa were reached for mean particle sizes of 10 and 6 μm, respectively.
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