An Analysis of the Springback Phenomenon of the Material Aluminum Alloy 6063-T5 With Punch Angle Variation. JTMMX [Internet]. 2022 Aug. 1 [cited 2025 Aug. 25];3(1):34-9. Available from: https://journal.ubpkarawang.ac.id/index.php/JTMMX/article/view/2768