“Testing the Mechanical Properties of the Alloy (Al-Cu-Mg) by Ultrasonic Technology”, Int. J. Curr. Eng. Technol., vol. 3, no. 3, pp. 1089–1093, Aug. 2013, Accessed: Apr. 04, 2026. [Online]. Available: https://ijcet.evegenis.org/index.php/ijcet/article/view/1216