SINABUTAR, Jimmi pranata; YOHANES. THE EFFECT OF FRICTION TIME VARIATIONS ON DISSIMILAR MATERIAL WELDING JOINTS AND HARDNESS VALUE USING A BAR-PLATE ROTARY FRICTION WELDING MACHINE. Journal of Renewable Energy and Mechanics, [S. l.], v. 7, n. 01, p. 36–42, 2024. DOI: 10.25299/rem.2024.15916. Disponível em: https://journal.uir.ac.id/index.php/REM/article/view/15916. Acesso em: 8 jun. 2026.