| Autor: |
LOBANOV, L. M., PASHCHIN, N. A., TIMOSHENKO, A. N., MIKHODUJ, O. L., GONCHAROV, P. V., CHERKASHIN, A. V. |
| Předmět: |
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| Zdroj: |
Paton Welding Journal; 2019, Issue 4, p2-4, 3p |
| Abstrakt: |
The influence of parameters, determining the different duration of electrodynamic effect on reduction of level of residual stresses in welds of butt joints of aluminium alloy AMg6 as a result of electrodynamic treatment, was investigated. It is shown that the increase in electrodynamic effect duration, attained by the increase in inductance of a discharge circuit at constant amplitude values of a pulsed electric current, is characterized by a higher increase in time of current decay as compared with the period of its growing. At the same time, the increase in duration of electrodynamic effect leads to the increase in the method efficiency for reducing the level of residual stresses in welded joints of AMg6 alloy. It is noted that at the duration of t ≥ 0.7ms the reduction in stresses is determined by the electromagnetic effect intensity and Joule heating of the plate surface. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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