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Mostrando ítems 24-28 de 28
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Structural evolution of a Al2O3-MgOxAl2O3 castable in the range 1000-1600ºC
(The American Ceramic Society, 2022-07-28)Thermal and structural characteristics of an alumina-spinel castable (containing 2.5 wt.% CaO) was studied. The specimens were cast (8.0 wt.% water), cured in air at ambient temperature (48 h), then dried at 100°C (24 h) ... -
Structural evolution of an Al2O3-MgO•Al2O3 castable in the range 1000-1600°C
(Mind Authors Inc., 2020-11-10)Thermal and structural characteristics of an alumina-spinel castable (containing 2.5 wt.% CaO) was studied. The specimens were cast (8.0 wt.% water), cured in air at ambient temperature (48 h), then dried at 100°C (24 h) ... -
Structure-viscosity relationship in mold fluxes using spectroscopy techniques
In this work, glassy layers of three commercial mold fluxes were obtained by quenching from 1300°C. These layers were characterized by XRD, Raman and XPS spectroscopy. The viscosity of these materials, measured between ... -
Thermal analysis techniques applied to study wear mechanisms of black refractories used in the steel continuous casting process
(Springer, 2019-06-01)In this paper, the results are correlated with information obtained through conventional techniques such as optical microscopy (OM) and scanning electron microscopy (SEM) including EDS analysis and EBSD, that are used to ... -
Viscosidad de polvos coladores: comparación entre valores experimentales y modelos teóricos
(Universidad Nacional de Rosario, 2019-10-01)En este trabajo se presenta el desarrollo, montaje y puesta en servicio de un equipo para realizar mediciones de viscosidad a altas temperaturas. En particular, se mide la viscosidad de tres polvos coladores comerciales ...