Influence of the particle size on the microstructure and mechanical properties of grains containing mixtures of nanoparticles and microparticles: Levitator tests and pilot-scaled validation
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Scholar |
Otros documentos de la autoría: Mondragon, Rosa; Juliá Bolívar, José Enrique; Barba-Juan, Antonio; Jarque Fonfría, Juan Carlos
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7033
comunitat-uji-handle3:10234/8618
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Metadatos
Título
Influence of the particle size on the microstructure and mechanical properties of grains containing mixtures of nanoparticles and microparticles: Levitator tests and pilot-scaled validationAutoría
Fecha de publicación
2013Editor
ElsevierISSN
0955-2219; 1873-619XCita bibliográfica
MONDRAGÓN, Rosa, et al. Influence of the particle size on the microstructure and mechanical properties of grains containing mixtures of nanoparticles and microparticles: Levitator tests and pilot-scaled validation. Journal of the European Ceramic Society, 2013, vol. 33, no 7, p. 1271-1280.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.sciencedirect.com/science/article/pii/S095522191300023X#Palabras clave / Materias
Resumen
The spray drying process is used in many industrial applications. However, different grain properties can be desirable depending on the later use of the powders produced. In this work the influence of the particle ... [+]
The spray drying process is used in many industrial applications. However, different grain properties can be desirable depending on the later use of the powders produced. In this work the influence of the particle size on the particle packing fraction and the mechanical strength of grains containing silica nanoparticles, microparticles and their mixtures, was analyzed. Single droplet tests were carried out in an acoustic levitator at 120 °C. The shell thickness was calculated using the fluidity limits obtained from the modelling of the viscosity data. Results obtained showed good agreement with the experimentally measured ones. The addition of nanoparticles and high pH values produce an increase in the mechanical strength of the grains. Finally, different suspensions were dried in a pilot-scaled spray dryer. The results obtained for the mechanical strength of the spray died powders confirm the results obtained in the levitator test. [-]
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Journal of the European Ceramic Society (2013) vol. 33, no 7Derechos de acceso
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