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Real-time detection of the aluminium contribution during laser welding of Usibor1500 tailor-welded blanks

Abstract: The identification and intensity estimation of some aluminium emission lines have been proposed to perform an on-line quantification of the Al contribution to the laser-welding process of Usibor blanks. This boron steel is protected by an Al-Si coating that is removed by laser ablation before welding. If this process fails to remove Al from the joint surface, its contribution may affect the final properties of the resulting seams, therefore compromising their quality. Experimental tests have been performed, some of them in a real production scenario. They have been analysed and compared to the results of welding test specimens, analysis of the associated tensile properties and fracture locations and seam macrographs. These studies have indicated that on-line quantification of the Al contribution to the process is feasible and that a correlation can be established between the Al content estimated in real-time and the results derived from the off-line tests considered.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Mirapeix J., Vila E., Valdiande J., Riquelme A., Garcia M., Cobo A.,

 Fuente: Journal of Materials Processing Technology, 2016, 235, 106–113

Editorial: Elsevier BV

 Fecha de publicación: 01/09/2016

Nº de páginas: 20

Tipo de publicación: Artículo de Revista

DOI: 10.1016/j.jmatprotec.2016.04.017

ISSN: 0924-0136,1873-4774

Proyecto español: TEC2013-47264-C2-1-R

Url de la publicación: https://doi.org/10.1016/j.jmatprotec.2016.04.017

Autores/as

GARCÍA, MICHEL