@article{jinan_padilha_2019,  title={Microstructure evolution during the extrusion of a 6351 aluminum alloy tube},  volume={72},  ISSN={2448-167X},  url={https://doi.org/10.1590/0370-44672018720174},  DOI={10.1590/0370-44672018720174},  number={3},  journal={REM - International Engineering Journal},  publisher={Fundação Gorceix},  author={Jinan, Wei Tsu and Padilha, Angelo Fernando},  year={2019},  month={Jul},  pages={479–484} }