Effects of laser power modulation on keyhole behavior and energy absorptivity for laser welding of magnesium alloy AZ31

Cross-sectional microstructures of pulsed laser spot welding of an AZ31

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Dynamic images of keyhole opening and molten pool during laser lap

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Optical path of the processing laser beam and back-reflection from the

Effects of laser power modulation on keyhole behavior and energy absorptivity for laser welding of magnesium alloy AZ31

Dynamic images of keyhole opening and molten pool during laser lap

Longitudinal cross sections of welded CuSn6 samples at different weld

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Applied sinusoidal laser power signal and the two different welding

Experimental set up for laser oscillating welding.

Applied sinusoidal laser power signal and the two different welding