Аннотация
Experimental investigations were conducted on treatment of welding joints made of St3 steal and al- loy AMg5 by high velocity jets of liquid matter. The jets were generated by underwater electric discharges. It is stated that treatment by the jets has resulted in the practically complete elimination of residual welding stresses in the steal patterns. Compressing stresses were formed and strength of welding joint was restored in the patterns made of AMg5 alloy. The possibility of welding joint formation by the pressure of high velocity jet liquid matter is shown.
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