| 2008 №07 (05) | 2008 №07 (07) |
The Paton Welding Journal, 2008, #7, 27-30 pages
Hange of mechanical properties of welded joints of carbon and low-alloyed steels at electromagnetic impact
A.K. Tsaryuk1, V.Yu. Skulsky1, S.I. Moravetsky1, V.A. Sokirko2
1E.O. Paton Electric Welding Institute of the NASU. 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine.2SPC «DS Ltd.», Nikolaev, Ukraine
Abstract
The paper deals with published results of investigations of the impact of high density electric current pulses on impact toughness of St3 steel. It is noted that the electromagnetic impact mechanism suggested by the authors can only be manifested in a narrow layer near the metal sample surface. Results of experimental investigations are given, which demonstrate that passing electric current of a comparatively low density through the metal of steel welded joints also leads to a marked change of its impact toughness.
Keywords: steel, welded joints, heat treatment, electromagnetic impact, electrophysical treatment, deformation, mechanical properties
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