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

Posizione di saldature e provini. Weld's position and specimens.

Surface morphologies of weld seams obtained by laser welding with (a)

Half-sandwich specimen of dissimilar metals used to compare the

Microstructure at the weld center, (a) without beam oscillation, (b) r

PDF) Mechanism study on the effects of power modulation on energy coupling efficiency in infrared laser welding of highly-reflective materials

Applied sinusoidal laser power signal and the two different welding

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Morphologies of transversal cross sections of laser welded AZ31 joints.

Experimental set up for laser oscillating welding.

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

Hao DONG, Doctor of Engineering, Shanghai Jiao Tong University, Shanghai, SJTU, Shanghai Key Laboratories of Laser Processing and Material Modification

The photo of molten pool during welding processes with different