Pham Nhat Phuong et al. 2025. SIMULATION OF THE INFLUENCE OF ELECTRODE TIP ANGLE ON THE ARC VOLTAGE DIFFERENCE OF GAS TUNGSTEN ARC WELDING (GTAW) PROCESS. HUIT Journal of Science. 25, 3 (Jun. 2025), 90–98. DOI:https://doi.org/10.62985/j.huit_ojs.vol25.no3.200.