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Particles Spreading Phenomena in the Case of Glass Thermal Spraying
The spreading phenomena of particles during thermal spraying are quite difficult to observe given the kinetics of the process. In this work, the splat formation of glass and alumina is theoretically compared, showing that glass transition and…
SMOOTHING IRON OXIDE-BASED GLASS PARTICLES WITH AN OXYACETYLENIC FLAME
Milled particles from a (SiO2-CaO-Fe2O3) glass were smoothed by flame spraying, focusing on the elimination of superficial roughness or angularity without reaching complete fusion of the glass. The purpose of this study is the further application to…
Colour matching in decorative thermally sprayed glass coatings
Coloured coatings were obtained on steel by plasma spraying without severe in-flight alteration of pigments, taking profit of the low thermal conductivity of the glassy matrix of glaze particles. Colour matching was studied by mixing 3 different…
Caracterización y reducción del“sucio de pared” en la atomización-secado de suspensiones arcillosas
El efecto llamado “sucio de pared” consiste en la acumulación de gotas de suspensión, en general parcialmente secadas en vuelo, sobre las paredes internas del atomizador. A nivel industrial, este efecto suele alterar la…
FORMATION OF ZIRCONIUM MONOXIDE GLOMERULI BY N2-LASER ABLATION
Zirconia is evermore in demand as a thermal barrier coatings (TBC) for energy economy and metal protection. Several methods are in use to produce the coatings, including sol-gel, CVD and PVD, however plasma ablation, has not been notoriously…
