The effect of welding on the local buckling of aluminium thin-walled sections is focused in this paper. With regard to a round-house type law material and by considering different hardening parameters as well as plate slenderness, the effect of welding in terms of geometrical imperfections, residual stresses and heat affected zones are analysed by means of a finite element analysis. The obtained results emphasise the influence of welding on the strength of slender plates, which has been only partially evidenced by experimental analyses. Besides, the comparison with the new EC9 approach allows to check the reliability of the design curves with respect to such a phenomenon.
Influence of welding on the stability of aluminium thin plates
De Matteis, G.
1998
Abstract
The effect of welding on the local buckling of aluminium thin-walled sections is focused in this paper. With regard to a round-house type law material and by considering different hardening parameters as well as plate slenderness, the effect of welding in terms of geometrical imperfections, residual stresses and heat affected zones are analysed by means of a finite element analysis. The obtained results emphasise the influence of welding on the strength of slender plates, which has been only partially evidenced by experimental analyses. Besides, the comparison with the new EC9 approach allows to check the reliability of the design curves with respect to such a phenomenon.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
