TY - JOUR T1 - New Proposal to Calculate the Friction in Sheet Metal Forming Through Bending Under Tension Test JO - Materials Research A1 - Folle, Luis A1 - Schaeffer, LĂ­rio SN - 1516-1439 UL - 10.1590/1980-5373-MR-2019-0523 VL - 22 Y1 - 2019 PB - Brasil ER -