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- W1937701911 abstract "El procesamiento de materiales por laser tiene gran aplicacion a escala industrial, para imprimir patrones graficos sobre superficies ceramicas. La rapida implementacion de este proceso se debe a que, respecto al proceso convencional de horneado, tiene ventajas tales como: se concentra el calor solo en la zona irradiada, lo que conlleva un menor consumo de energia sin afectar significativamente el resto de la pieza; se obtienen patrones graficos de alta resolucion espacial; permite introducir cambios durante el proceso sin requerir largas paradas, y la generacion de residuos es minima o casi nula. En este estudio se presentan los resultados obtenidos en el vidriado con laser Nd:YAG (λ=1064 nm) sobre las superficies esmaltadas de azulejos, las cuales fueron previamente recubiertas con pigmento negro de cobalto. Con el laser operando en modo continuo (CW), se marcaron una serie de lineas, cuyo ancho y profundidad evidenciaron una dependencia directa con la variacion de la potencia y velocidad de desplazamiento del haz laser sobre la superficie del azulejo. Estas lineas vidriadas fueron finalmente caracterizadas por microscopia optica, espectroscopia de dispersion de energia (EDS) y difraccion de rayos X. Abstract: Laser materials processing has great application to industrial scale, to print graphic patterns on ceramics surfaces. The fast implementation of this process is due to the fact that, with respect to the conventional baking process, has advantages, such as: heat is concentrated only in the radiated zone that involves a smaller energy consumption without affecting significantly the rest of the piece, graphic patterns with of highly spatial resolution are obtained, it permits to introduce changes during the process without requiring long stops, and low or almost none generation of residues. In this study the results obtained from Nd:YAG (λ=1064 nm) laser glazing on the enameled surfaces of glazed tiles, which were previously covered with black of cobalt pigment, are presented. With the laser operating in continuous wave (CW), a series of lines were marked, whose width and depth showed a direct dependence with the variation in the power and scan speed of the laser beam on the surface of the glazed tile. Finally, these glazed lines were characterized by optical microscopy, energy dispersion spectroscopy (EDS), and X-ray diffraction (XRD)." @default.
- W1937701911 created "2016-06-24" @default.
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- W1937701911 date "2008-07-01" @default.
- W1937701911 modified "2023-09-24" @default.
- W1937701911 title "MARCADO CON LÁSER SOBRE CERÁMICA VIDRIADA POR APORTE SUPERFICIAL DE UN PIGMENTO DE COBALTO" @default.
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- W1937701911 doi "https://doi.org/10.24050/reia.v5i9.202" @default.
- W1937701911 hasPublicationYear "2008" @default.
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