@article{folle_schaeffer_2019,  title={New Proposal to Calculate the Friction in Sheet Metal Forming Through Bending Under Tension Test},  volume={22},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2019-0523},  DOI={10.1590/1980-5373-MR-2019-0523},  number={6},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Folle, Luis and Schaeffer, Lírio},  year={2019},  pages={e20190523} }