Unveiling the weld pool dynamic mechanisms in ultrasonic pulse current-assisted underwater wet flux-cored arc welding via multiphysics simulations and experiments

Key Points

• Weld pool dynamics are significantly influenced by ultrasonic pulse current, enhancing the overall welding process.
• Critical metrics indicate improvements in weld penetration and heat distribution during the experiments.
• Observational analysis using multiphysics simulations and real-world experiments elucidates welding behavior.
• Findings highlight the potential for optimizing underwater welding techniques through enhanced understanding of weld mechanisms.