Omar Hassan Hameed et al. 2025. Thermal and Mechanical Analysis of Polyvinyl Chloride (PVC) to Polyethylene (PE) Bonding via Friction Stir Spot Welding Process. Journal of Techniques. 7, 2 (Jun. 2025), 60–66. DOI:https://doi.org/10.51173/jt.v7i2.2686.