Study the Effect of Adding Aluminum Nanoparticles to a Smart Alloy (Cu-Al-Ni) on Hardness and Porosity. jcoeng [Internet]. 2023 Feb. 1 [cited 2024 May 6];29(02):1-15. Available from: https://joe.uobaghdad.edu.iq/index.php/main/article/view/1624