Abstract
Laser marking is an elegant, clean, fast and non-contact permanent marking method with high durability. The present paper deals with the analysis of laser marking process parameters like lamp current, laser scanning speed, pulse frequency, average and peak power of laser beam using Nd: YAG laser on various laser marking characteristics like the mark width, mark depth and mark contrast are studied during pulsed Nd: YAG laser marking on zirconia ceramic material. Analysis based on optical photographs has also been performed. The present study shows that high pulse frequency and lamp current with low scanning speed has more effect to achieve the minimum mark width, maximum mark depth and mark contrast. In addition to it, a multi objective optimisation has also been performed.
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