INVESTIGATION OF HARDNESS AND MICROSTRUCTURE IN Al+Sn POWDER ALLOY COMPOSITES REINFORCED WITH RESIN. JET: Journal of Engineering and Technology, [S. l.], v. 1, n. 1, p. 1–11, 2026. Disponível em: https://journal.rabiah.org/index.php/JET/article/view/46. Acesso em: 10 jun. 2026.