@article{costa_leitao_rodrigues_2018,  title={Influence of the Aluminium Alloy Type on Defects Formation in Friction Stir Lap Welding of Thin Sheets},  volume={23},  ISSN={0104-9224},  url={https://doi.org/10.1590/0104-9224/SI2301.04},  DOI={10.1590/0104-9224/SI2301.04},  number={1},  journal={Soldagem & Inspeção},  publisher={Associação Brasileira de Soldagem},  author={Costa, M. I. and Leitao, C. and Rodrigues, D. M.},  year={2018},  month={Jan},  pages={32–42} }