Al nefawy, M., & El dahiye, F. (2021). Effect of Retrogression and Re-Aging Heat Treatment on Hardness, Tensile Strength and Microstructure of 7075 Aluminum Alloy. Association of Arab Universities Journal of Engineering Sciences, 28(2), 63-68. https://doi.org/10.33261/jaaru.2021.28.2.007