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A study with the objective of assessing the reliability of non-linear finite element analyses in predictions of the ultimate strength of aluminium plates subjected to in-plane compression is presented. Outstand elements of alloy AA6082 in tempers T4 and T6 and internal elements of alloys 5083 M and 6082 TF were analysed for a range of bt-ratios. For the latter class both non-welded and welded plates...
An experimental investigation has been carried out to study the local buckling behaviour of square thin-walled aluminium extrusions in alloy AA6060. The primary variables have been the temper and wall thickness of the extrusions. Furthermore, the classical Stowell theory for plates has been modified to take postbuckling strength into account. Good correlation between theory and the present test...
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