Mechanism of Onset of Keyhole Depth Fluctuations at Beam Welding Processes
Andrey A. Vasilyev, Vladimir A. Erofeev, Vladislav A. Sudnik

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The mechanisms of the beginning of depth oscillations of the vapour-gas channel are examined in beam welding. It is assumed that the reasons of the root peaks are the evaporation and condensation of metal vapour in the channel. ...  read more