Abstract
In this research, the laser-induced breakdown spectroscopy (LIBS) technique is used for concentration prediction and identification in aluminum alloys. For this purpose, calibration-free LIBS (CF-LIBS) and artificial neural network (ANN) analyses were implemented. Self-absorption correction (SAC) and gate time improvement in CF-LIBS lead to more accurate quantitative results and concentration calculation close to real values. In addition, in identification of different Al alloys by ANNs, results show that using corrected lines intensity of fundamental species has better results in network construction and fewer errors.
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