Industrial ceramic tiles were subjected to ablation in air using a pulsed Nd:YAG laser under varying repetitive scanning and laser irradiance conditions. Two distinct photothermal ablation regimes were identified related to vaporization (<70 MW/mm2, vapor plume) and species breakdown (>70 MW/mm2, plasma plume) processes. X‐ray diffraction and scanning electron microscopic studies indicated that the ablation of red clay and porcelain tiles followed different paths. Surface melting in clay tiles reduced the efficiency of ablation as the number of cycles and irradiance increased. The method enables high‐definition, noncontact engraving in industrial ceramic surfaces.

Several ceramic materials have been chosen and synthesized by Selective Fusion by Laser (SFL). These materials have been selected because their refractory condition, high hardness and good colouring power, that make them useful to be used as ceramic pigments. In the present work it is shown the structural and microstructural characterisation of these materials prepared by Laser assisted synthesis, individually and into a vitreous matrix (glaze) and subjected to a firing cycle with a maximum (highest) temperature of 1200º C. The techniques used in the characterisation have been Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD), thermal analysis as Differential Thermal Analysis (DTA) and Thermogravimetry (TG) and UV-Vis Spectroscopy to obtain their CIE-Lab chromatic coordinates.

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