Impact of Yellow Oil Fly Ash Content and Particle Size on the Mechanical Performance of Sintered Cu-Gr Hybrid Composites. Tikrit Journal of Engineering Sciences, [S. l.], v. 33, n. 1, p. 1–19, 2026. DOI: 10.25130/tjes.33.1.29. Disponível em: http://www.tj-es.com/ojs/index.php/tjes/article/view/2862.. Acesso em: 9 nov. 2026.