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ICOP & ICPET 2014, 20 - : 753-756 Back to browse issues page
Using LIBS analysis to get the magnesium relative concentration changes in the weld metal of Al-5754 alloy during laser welding
Maryam Jandaghi Dr. * 1, Parviz Parvin Dr.2, Mohammad Javad Torkamany Mr1
1- Iranian National Center for Laser Science and Technology
2- AmirKabir University
Abstract:   (3535 Views)
The effect of pulse duration and power density on the weld metal composition change in aluminum alloy 5754 in keyhole mode welding, using a long pulsed Nd:YAG laser was investigated experimentally. The concentrations of aluminum and magnesium elements, in the weld metal were determined by laser induced breakdown spectroscopy (LIBS) for different conditions. The results show that, the concentration of magnesium in the weld metal decreases, while the aluminum concentration increases. Moreover, the variation of Al to Mg concentration ratio is negligible while varying the laser power density and it linearly increases with increasing the pulse duration.
Keywords: Alloying element losses, Aluminum alloy 5754, LIBS, Laser welding, pulsed Nd:YAG laser
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Type of Study: Research | Subject: Special
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jandaghi M, Parvin P, Torkamany M J. Using LIBS analysis to get the magnesium relative concentration changes in the weld metal of Al-5754 alloy during laser welding. ICOP & ICPET. 2014; 20 :753-756
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