PERFORMANCE OF ROTARY FRICTION WELDING MACHINE IN LOWER KEBON STEEL SEEN FROM THE MACRO STRUCTURE AND BENDING TEST. Journal of Technology and Vocational Studies, [S. l.], v. 2, n. 2, p. 113–118, 2024. DOI: 10.21063/jtv.2024.2.2.113-118. Disponível em: https://jtv.itp.ac.id/index.php/jtv/article/view/160. Acesso em: 18 aug. 2025.