ListarFRSN - Ciencia y Tecnología - Centro DEYTEMA por tema "mould fluxes"
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Analysis of DTA and dilatometric data used to study the behaviour of a mould flux
(2019-06-01)In the present work a casting powder containing ≈ 36 wt% SiO2, ≈ 31 wt% CaO, 13 wt% Na2O, and 10 wt% CaF2, was used as starting material. A mass of 10 g of the mould powder was placed in a graphite crucible and melted at ... -
Replacement of fluorine in mould powders: influence on the crystallization kinetics
(Springer, 2019-06-01)In the present work mould powders were prepared using different raw materials. One powder was fluorine-containing and the others were free-F. The total fluorine content (approx. 10 wt%) was replaced by different percentages ... -
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 ...