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

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Fracture process of the tensile samples, (a) the samples without beam

a) Absorptivity of various materials for infrared laser (b) schematic

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

Dynamic images of keyhole opening and molten pool during laser lap

Morphologies of transversal cross sections of laser welded AZ31 joints.

Materials, Free Full-Text

The reconstruction method and oscillation degree calculation for molten

Schematic diagram of the welding cross section showing the features

Fracture process of the tensile samples, (a) the samples without beam

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

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

Macro-profiles of the surface and cross-sectional welds, (a) without

Longitudinal cross sections of welded CuSn6 samples at different weld