Mishra, Manu, Gaurav Srivastava, and Animek Shaurya. “Research on Quality Evaluation of Friction Stir Welding and Identification of Tunnel Defect Characteristics Based on Acoustic Emission Signals”. Journal of Progress in Civil Engineering 7, no. 3 (March 31, 2025): 13–18. Accessed April 4, 2025. https://bryanhousepub.com/index.php/jpce/article/view/1649.