Yohanes, Yohanes, & Muhammad Efriyansyah. " Influence of Flywheel for Drive System of Rotary Friction Welding and Chamfer Angle Variations Forging to Welding Strength." Proceeding of Ocean, Mechanical and Aerospace -Science and Engineering- [Online], 5.1 (2018): 33-40. Web. 20 Aug. 2024