Enhancing mechanical properties of dissimilar pure Cu/Mg AZ31B friction stir welds via ultrasonic assistance. Journal of Recent Innovation in Science and Technology , [S. l.], v. 2, n. 3, p. 25–35, 2026. DOI: 10.70454/JRIST.020303. Disponível em: https://jrist.org/jrist/article/view/66. Acesso em: 25 oct. 2026.