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Humberto Mota de Siqueira R.,Aeronautics Technological Institute ITA DCTA Sao Paulo | Capella de Oliveira A.,Institute of Science and Technology ICT UNIFESP Sao Paulo | Riva R.,Institute of Advanced Studies IEAv DCTA Sao Paulo | Jorge Abdalla A.,Institute of Advanced Studies IEAv DCTA Sao Paulo | Sergio Fernandes de Lima M.,Institute of Advanced Studies IEAv DCTA Sao Paulo
Welding International | Year: 2016

Three welding processes for aluminium parts have been considered for aircraft fabrication: riveting, friction stir welding (FSW) and laser beam welding (LBW). These processes have advantages and threats, which were analysed in the present work focusing on T-pull and Hoop tensile properties. Concerning T-pull tests, LBW coupons presented higher ability to withstand the applied loads. This was due to the better distribution of loads when the strain is done in the stringer direction. In the case of the Hoop tests, which stress only the skin, the results obtained after FSW were notably higher in terms of ultimate tensile stress, yield stress and maximum strain. It was concluded that both LBW and FSW could replace riveting usually applied for commercial aircraft manufacturing. © 2016 Taylor & Francis

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