Effect of water absorption on some mechanical and physical properties of epoxy/polyurethane blend reinforced with nano silica powder. Iraqi Journal of Physics, [S. l.], v. 15, n. 32, p. 92–98, 2019. DOI: 10.30723/ijp.v15i32.159. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/159.. Acesso em: 2 may. 2024.